Skip to content
IMPACTFEES.ORG

Nassau County, Florida Impact Fees

Impact fees in Nassau County depend on where you build. This page details the rates for unincorporated Nassau County: $20,920.92 per single-family unit as of . Yulee, an unincorporated community, pays these county rates rather than a city schedule. Inside city limits, each city applies its own schedule and fees may be completely different. Pick your city below.

Nassau County Impact Fees by Project Type

Where in Nassau County Are You Building?

Each jurisdiction applies its own fee schedule. Pick yours. = one or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.

Unincorporated Nassau County: Single-Family Impact Fees

A new single-family home in unincorporated Nassau County pays $20,920.92 per unit in impact fees (rates sourced October 21, 2026). Of that, Nassau County-levied fees account for $18,267.92 and municipal or utility fees for $2,653.00.

The largest line items are Nassau County Mobility Fee Zone 3 (West) — SFR ($8,215.32), Nassau County Educational Facilities Impact Fee (SFR) ($5,430.60) and Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System) — 1.00 ERC × $1,548/ERC ($1,548.00).

Some fees are tiered by unit size or building type; amounts reflect the representative tier noted in the schedule below.

View the Full Nassau County Impact Fee Schedule
Water$1,105.00
  • Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System) — 1.00 ERC × $1,105/ERC
    Florida Governmental Utility Authority (FGUA)
    One-time water capacity connection fee of $1,105 per ERC (equivalent residential connection), charged by the Florida Governmental Utility Authority (FGUA) Nassau Amelia Utility System serving the Amelia Island area of unincorporated Nassau County. A single-family home is 1.00 ERC. In effect since October 1, 2016. Meter setting and tap installation are billed separately at contract operator cost plus 5%.
    $1,105.00
Sewer$1,548.00
City$0.00
  • Nassau County (Uninc.) — No Municipal Impact Fees (N/A)
    N/A — unincorporated area (no municipal government)
    Unincorporated Nassau County has no municipal (city) impact fees because it has no municipal government. County impact and mobility fees apply instead and are shown separately.
    $0.00
County$18,267.92
  • Nassau County Mobility Fee Zone 3 (West) — SFR
    Nassau County Board of County Commissioners
    Nassau County mobility (transportation) impact fee for a single-family home in unincorporated Zone 3 (West): $8,215.32 per unit effective April 1, 2026, plus a 1.5% administrative fee; rises to $11,996.35 on April 1, 2027. This is the highest of the county's three mobility rate districts: Zone 1 (East) is $7,660.90 and the ENCPA (Zone 2) is $7,352.27 per unit. Applies only in the unincorporated area.
    $8,215.32
  • Nassau County Educational Facilities Impact Fee (SFR)
    Nassau County School Board
    Nassau County educational (school) impact fee: $5,430.60 per dwelling unit, in effect since July 16, 2020. A flat per-unit fee, not tiered by size, imposed by county ordinance on residential construction throughout the county and due at building permit issuance.
    $5,430.60
  • Nassau County Parks Impact Fee (SFR)
    2,000 to 2,499 sf
    Nassau County Board of County Commissioners
    Nassau County parks impact fee: $1,414 for a single-family home of 2,000 to 2,499 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by heated house size, from $1,066 (1,250 sq ft or less) to $1,481 (3,000 sq ft or more). The rate for this size steps to $1,484 on April 1, 2027, $1,555 on April 1, 2028 and $1,626 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $1,414.00
  • Nassau County Administrative Facilities Impact Fee (SFR)
    2,000 to 2,499 sf
    Nassau County Board of County Commissioners
    Nassau County administrative facilities impact fee: $1,201 for a single-family home of 2,000 to 2,499 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Funds general government, court and detention facilities. Tiered by heated house size, from $1,036 (1,250 sq ft or less) to $1,280 (3,000 sq ft or more). The rate for this size steps to $1,441 on April 1, 2027, $1,680 on April 1, 2028 and $1,919 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $1,201.00
  • Nassau County Recreational Facilities Impact Fee (SFR)
    2,000 to 2,499 sf
    Nassau County Board of County Commissioners
    Nassau County recreational facilities impact fee, separate from the parks fee: $831 for a single-family home of 2,000 to 2,499 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by heated house size, from $727 (1,250 sq ft or less) to $881 (3,000 sq ft or more). The rate for this size steps to $956 on April 1, 2027, $1,080 on April 1, 2028 and $1,205 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $831.00
  • Nassau County Fire Rescue Impact Fee (SFR)
    2,000 to 2,499 sf
    Nassau County Board of County Commissioners
    Nassau County fire rescue impact fee: $654 for a single-family home of 2,000 to 2,499 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by heated house size, from $535 (1,250 sq ft or less) to $711 (3,000 sq ft or more). The rate for this size steps to $897 on April 1, 2027, $1,139 on April 1, 2028 and $1,382 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $654.00
  • Nassau County Law Enforcement Impact Fee (SFR)
    2,000 to 2,499 sf
    Nassau County Board of County Commissioners
    Nassau County law enforcement impact fee: $522 for a single-family home of 2,000 to 2,499 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by heated house size, from $419 (1,250 sq ft or less) to $571 (3,000 sq ft or more). The rate for this size steps to $745 on April 1, 2027, $967 on April 1, 2028 and $1,190 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $522.00
Total (unincorporated Nassau County): $20,920.92

Where in Nassau County Are You Building?

Each jurisdiction applies its own fee schedule. Pick yours. = one or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.

Unincorporated Nassau County: Multifamily Impact Fees

A new multifamily unit in unincorporated Nassau County pays $16,005.27 per unit in impact fees (rates sourced October 21, 2026). Of that, Nassau County-levied fees account for $13,352.27 and municipal or utility fees for $2,653.00.

The largest line items are Nassau County Educational Facilities Impact Fee (MF) ($5,430.60), Nassau County Mobility Fee Zone 3 (West) — MF (Mid Rise) ($4,220.67) and Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System, MF) — 1.00 ERC/unit × $1,548/ERC ($1,548.00).

Some fees are tiered by unit size or building type; amounts reflect the representative tier noted in the schedule below.

View the Full Nassau County Impact Fee Schedule
Water$1,105.00
Sewer$1,548.00
City$0.00
County$13,352.27
  • Nassau County Educational Facilities Impact Fee (MF)
    Per unit (flat)
    Nassau County School Board
    Nassau County educational (school) impact fee: $5,430.60 per multifamily dwelling unit, in effect since July 16, 2020, the same flat amount as a single-family home. Imposed by county ordinance on residential construction throughout the county and due at building permit issuance.
    $5,430.60
  • Nassau County Mobility Fee Zone 3 (West) — MF (Mid Rise)
    Zone 3 (West), Mid-Rise (ITE 221)
    Nassau County Board of County Commissioners
    Nassau County mobility (transportation) impact fee for a mid-rise (4+ story) multifamily unit in unincorporated Zone 3 (West): $4,220.67 per unit effective April 1, 2026, plus a 1.5% administrative fee; rises to $5,886.00 on April 1, 2027. Low-rise (1-3 story) units pay a higher per-unit rate. Zone 3 (West) is the highest of the county's three mobility rate districts. Unincorporated area only.
    $4,220.67
  • Nassau County Parks Impact Fee (MF)
    1,000 to 1,249 sf
    Nassau County Board of County Commissioners
    Nassau County parks impact fee: $1,236 for a multifamily unit of 1,000 to 1,249 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by unit size, from $712 (750 sq ft or less) to $1,283 (1,250 sq ft or more). The rate for this size steps to $1,240 on April 1, 2027, $1,245 on April 1, 2028 and $1,249 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $1,236.00
  • Nassau County Administrative Facilities Impact Fee (MF)
    1,000 to 1,249 sf
    Nassau County Board of County Commissioners
    Nassau County administrative facilities impact fee: $878 for a multifamily unit of 1,000 to 1,249 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Funds general government, court and detention facilities. Tiered by unit size, from $719 (750 sq ft or less) to $933 (1,250 sq ft or more). The rate for this size steps to $1,076 on April 1, 2027, $1,275 on April 1, 2028 and $1,473 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $878.00
  • Nassau County Recreational Facilities Impact Fee (MF)
    1,000 to 1,249 sf
    Nassau County Board of County Commissioners
    Nassau County recreational facilities impact fee, separate from the parks fee: $717 for a multifamily unit of 1,000 to 1,249 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by unit size, from $476 (750 sq ft or less) to $752 (1,250 sq ft or more). The rate for this size steps to $786 on April 1, 2027, $856 on April 1, 2028 and $925 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $717.00
  • Nassau County Fire Rescue Impact Fee (MF)
    1,000 to 1,249 sf
    Nassau County Board of County Commissioners
    Nassau County fire rescue impact fee: $483 for a multifamily unit of 1,000 to 1,249 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by unit size, from $369 (750 sq ft or less) to $523 (1,250 sq ft or more). The rate for this size steps to $676 on April 1, 2027, $868 on April 1, 2028 and $1,061 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $483.00
  • Nassau County Law Enforcement Impact Fee (MF)
    1,000 to 1,249 sf
    Nassau County Board of County Commissioners
    Nassau County law enforcement impact fee: $387 for a multifamily unit of 1,000 to 1,249 sq ft, effective April 1, 2026, plus a 1.5% administrative fee. Tiered by unit size, from $289 (750 sq ft or less) to $421 (1,250 sq ft or more). The rate for this size steps to $563 on April 1, 2027, $738 on April 1, 2028 and $914 on April 1, 2029. Applies in unincorporated Nassau only; Callahan, Hilliard and Fernandina Beach do not collect it.
    $387.00
Total (unincorporated Nassau County): $16,005.27

Where in Nassau County Are You Building?

Each jurisdiction applies its own fee schedule. Pick yours. Totals shown are for a 50,000 sq ft building, including one-time water/sewer fees (assuming a 1-inch meter). * = one-time water/sewer connection charges only; no per-sq-ft impact fee schedule sourced for that jurisdiction. = one or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.

Unincorporated Nassau County: Commercial Impact Fees

Commercial development in unincorporated Nassau County pays $16.35 per square foot in impact fees, plus $2,653.00 in one-time water and sewer connection fees (rates sourced October 21, 2026).

For a 50,000 sq ft building, that comes to about $820,205.50. The calculator below adjusts to your exact square footage.

The largest line items are Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System) ($1,548.00 one-time), Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System) ($1,105.00 one-time) and Mobility Fee (Nassau County, Commercial) ($12.79/sq ft).

Some fees are tiered by use or building size; amounts reflect the representative tier noted in the schedule below.

View the Full Nassau County Impact Fee Schedule
Water$1,105.00 one-time
  • Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System)
    Florida Governmental Utility Authority (FGUA)
    Florida Governmental Utility Authority water capacity connection fee for its Nassau Amelia system on south Amelia Island, effective October 1, 2016: charged per equivalent residential connection of 350 gallons per day. Nonresidential connections are sized from the utility's use table or, for unlisted uses, fixture units times 25 gallons per day divided by 350. Much of unincorporated Nassau County is served by JEA, private systems or wells instead.
    $1,105.00 one-time
Sewer$1,548.00 one-time
  • Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System)
    Florida Governmental Utility Authority (FGUA)
    Florida Governmental Utility Authority wastewater capacity connection fee for its Nassau Amelia system on south Amelia Island, effective October 1, 2016: charged per equivalent residential connection of 200 gallons per day. Nonresidential connections are sized from the utility's use table or, for unlisted uses, fixture units times 18 gallons per day divided by 200.
    $1,548.00 one-time
City$0.00
County$16.35/sq ft
  • Mobility Fee (Nassau County, Commercial)
    Zone 3 (West)
    Nassau County Board of County Commissioners
    Highest of 3 rate districts: mobility Zone 3 (West). Zone 1 (East) and Zone 2 (ENCPA) charge less. Per 1,000 sq ft for a shopping center, effective April 1, 2026; rises to $18,582.98 on April 1, 2027 (Ordinances 2025-063 and 2025-070). A 1.5% administrative fee is added. Applies in unincorporated Nassau County; Fernandina Beach collects the Zone 1 rate by interlocal agreement.
    $12.79/sq ft
  • Fire Rescue Impact Fee (Nassau County, Commercial)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for a shopping center, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. The rate rises each April 1: $1,537 (2027), $1,781 (2028), $2,025 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it. Nonresidential uses pay no parks or recreational facilities impact fee.
    $1.29/sq ft
  • Administrative Facilities Impact Fee (Nassau County, Commercial)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for a shopping center, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. Funds general government, court and detention facilities. The rate rises each April 1: $1,294 (2027), $1,341 (2028), $1,388 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it.
    $1.25/sq ft
  • Law Enforcement Impact Fee (Nassau County, Commercial)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for a shopping center, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. The rate rises each April 1: $1,275 (2027), $1,531 (2028), $1,788 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it.
    $1.02/sq ft
Total (unincorporated Nassau County): $16.35/sq ft + $2,653.00 one-time (≈ $820,205.50 at 50,000 sq ft)

Where in Nassau County Are You Building?

Each jurisdiction applies its own fee schedule. Pick yours. Totals shown are for a 50,000 sq ft building, including one-time water/sewer fees (assuming a 1-inch meter). * = one-time water/sewer connection charges only; no per-sq-ft impact fee schedule sourced for that jurisdiction. = one or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.

Unincorporated Nassau County: Industrial Impact Fees

Industrial development in unincorporated Nassau County pays $4.22 per square foot in impact fees, plus $2,653.00 in one-time water and sewer connection fees (rates sourced October 21, 2026).

For a 50,000 sq ft building, that comes to about $213,508.00. The calculator below adjusts to your exact square footage.

The largest line items are Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System) ($1,548.00 one-time), Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System) ($1,105.00 one-time) and Mobility Fee (Nassau County, Industrial) ($3.29/sq ft).

Some fees are tiered by use or building size; amounts reflect the representative tier noted in the schedule below.

View the Full Nassau County Impact Fee Schedule
Water$1,105.00 one-time
  • Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System)
    Florida Governmental Utility Authority (FGUA)
    Florida Governmental Utility Authority water capacity connection fee for its Nassau Amelia system on south Amelia Island, effective October 1, 2016: charged per equivalent residential connection of 350 gallons per day. Nonresidential connections are sized from the utility's use table or, for unlisted uses, fixture units times 25 gallons per day divided by 350. Much of unincorporated Nassau County is served by JEA, private systems or wells instead.
    $1,105.00 one-time
Sewer$1,548.00 one-time
  • Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System)
    Florida Governmental Utility Authority (FGUA)
    Florida Governmental Utility Authority wastewater capacity connection fee for its Nassau Amelia system on south Amelia Island, effective October 1, 2016: charged per equivalent residential connection of 200 gallons per day. Nonresidential connections are sized from the utility's use table or, for unlisted uses, fixture units times 18 gallons per day divided by 200.
    $1,548.00 one-time
City$0.00
County$4.22/sq ft
  • Mobility Fee (Nassau County, Industrial)
    Zone 3 (West)
    Nassau County Board of County Commissioners
    Highest of 3 rate districts: mobility Zone 3 (West). Zone 1 (East) and Zone 2 (ENCPA) charge less. Per 1,000 sq ft for light industrial, effective April 1, 2026; rises to $4,673.42 on April 1, 2027 (Ordinances 2025-063 and 2025-070). A 1.5% administrative fee is added. Applies in unincorporated Nassau County; Fernandina Beach collects the Zone 1 rate by interlocal agreement.
    $3.29/sq ft
  • Administrative Facilities Impact Fee (Nassau County, Industrial)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for light industrial, effective April 1, 2026 under Ordinance 2025-069. Funds general government, court and detention facilities. The light industrial rate stays at this level through the April 1, 2029 step of the phase-in. A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it.
    $0.59/sq ft
  • Fire Rescue Impact Fee (Nassau County, Industrial)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for light industrial, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. The rate rises each April 1: $224 (2027), $263 (2028), $303 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it. Nonresidential uses pay no parks or recreational facilities impact fee.
    $0.18/sq ft
  • Law Enforcement Impact Fee (Nassau County, Industrial)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for light industrial, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. The rate rises each April 1: $186 (2027), $227 (2028), $268 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it.
    $0.14/sq ft
Total (unincorporated Nassau County): $4.22/sq ft + $2,653.00 one-time (≈ $213,508.00 at 50,000 sq ft)

Where in Nassau County Are You Building?

Each jurisdiction applies its own fee schedule. Pick yours. Totals shown are for a 25,000 sq ft building, including one-time water/sewer fees (assuming a 1-inch meter). * = one-time water/sewer connection charges only; no per-sq-ft impact fee schedule sourced for that jurisdiction. = one or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.

Unincorporated Nassau County: Office Impact Fees

Office development in unincorporated Nassau County pays $9.24 per square foot in impact fees, plus $2,653.00 in one-time water and sewer connection fees (rates sourced October 21, 2026).

For a 25,000 sq ft building, that comes to about $233,738.25. The calculator below adjusts to your exact square footage.

The largest line items are Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System) ($1,548.00 one-time), Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System) ($1,105.00 one-time) and Mobility Fee (Nassau County, Office) ($6.96/sq ft).

Some fees are tiered by use or building size; amounts reflect the representative tier noted in the schedule below.

View the Full Nassau County Impact Fee Schedule
Water$1,105.00 one-time
  • Water Capacity Connection Fee (FGUA — Nassau Amelia Utility System)
    Florida Governmental Utility Authority (FGUA)
    Florida Governmental Utility Authority water capacity connection fee for its Nassau Amelia system on south Amelia Island, effective October 1, 2016: charged per equivalent residential connection of 350 gallons per day. Nonresidential connections are sized from the utility's use table or, for unlisted uses, fixture units times 25 gallons per day divided by 350. Much of unincorporated Nassau County is served by JEA, private systems or wells instead.
    $1,105.00 one-time
Sewer$1,548.00 one-time
  • Sewer (Wastewater) Capacity Connection Fee (FGUA — Nassau Amelia Utility System)
    Florida Governmental Utility Authority (FGUA)
    Florida Governmental Utility Authority wastewater capacity connection fee for its Nassau Amelia system on south Amelia Island, effective October 1, 2016: charged per equivalent residential connection of 200 gallons per day. Nonresidential connections are sized from the utility's use table or, for unlisted uses, fixture units times 18 gallons per day divided by 200.
    $1,548.00 one-time
City$0.00
County$9.24/sq ft
  • Mobility Fee (Nassau County, Office)
    Zone 3 (West)
    Nassau County Board of County Commissioners
    Highest of 3 rate districts: mobility Zone 3 (West). Zone 1 (East) and Zone 2 (ENCPA) charge less. Per 1,000 sq ft for general office, effective April 1, 2026; rises to $10,164.69 on April 1, 2027 (Ordinances 2025-063 and 2025-070). A 1.5% administrative fee is added. Applies in unincorporated Nassau County; Fernandina Beach collects the Zone 1 rate by interlocal agreement.
    $6.96/sq ft
  • Administrative Facilities Impact Fee (Nassau County, Office)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for general office, effective April 1, 2026 under Ordinance 2025-069. Funds general government, court and detention facilities. The office rate stays at this level through the April 1, 2029 step of the phase-in. A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it.
    $1.51/sq ft
  • Fire Rescue Impact Fee (Nassau County, Office)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for general office, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. The rate rises each April 1: $508 (2027), $584 (2028), $660 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it. Nonresidential uses pay no parks or recreational facilities impact fee.
    $0.43/sq ft
  • Law Enforcement Impact Fee (Nassau County, Office)
    Nassau County Board of County Commissioners
    Per 1,000 sq ft of floor area for general office, effective April 1, 2026, year one of a four-year phase-in adopted by Ordinance 2025-069. The rate rises each April 1: $421 (2027), $502 (2028), $583 (2029). A 1.5% administrative fee is added. Collected in unincorporated Nassau County only; Fernandina Beach, Callahan and Hilliard do not collect it.
    $0.34/sq ft
Total (unincorporated Nassau County): $9.24/sq ft + $2,653.00 one-time (≈ $233,738.25 at 25,000 sq ft)

Nassau County Impact Fee Calculator

Estimate impact fees for your project. Set to single-family. Drop a pin or search an address for site-specific fees.

Location

Select a location to begin

Once you select an address or drop a pin, we'll identify the responsible city and county and generate a fee breakdown.

Water & Sewer
Transportation
Parks
Schools
Fire & Police
General

How Impact Fees Work in Florida

Florida impact fees are one-time charges on new development, governed by Section 163.31801, Florida Statutes (the Florida Impact Fee Act). The statute requires fees to be based on the most recent and localized data, spent on the infrastructure category they were collected for, and adopted by ordinance.

Since a 2021 amendment (Ch. 2021-63, Laws of Florida), the law also limits how fast fees can rise: increases up to 25% phase in over two years, increases of 25–50% phase in over four years, and increases above 50% are allowed only with a demonstrated extraordinary-circumstances study and at least a two-thirds vote of the governing body.

Counties and cities can both levy impact fees. Inside an incorporated city, a project typically pays the county's countywide fees plus any municipal fees the city has adopted, which is why totals differ between a city and the unincorporated county around it.

New to impact fees? Our plain-English guide explains what they cover, who pays them, and why they exist.

Summary current as of September 2026. This is an editorial summary, not legal advice; see the official statute text and our terms of use.

Nassau County Impact Fee FAQs

What are single-family impact fees in Nassau County, Florida?

A new single-family home in unincorporated Nassau County pays $20,920.92 per unit in impact fees (rates sourced October 21, 2026). Inside city limits, fees are set by each city's own schedule and may be completely different. See the city pages for their rates.

How much are multifamily impact fees in Nassau County?

Multifamily development in unincorporated Nassau County pays $16,005.27 per unit in impact fees (rates sourced October 21, 2026). Rates inside city limits depend on the municipality. Pick your city on this page.

How much are commercial impact fees in Nassau County?

Commercial development in unincorporated Nassau County pays $16.35 per square foot in impact fees, plus $2,653.00 in one-time water and sewer connection fees, about $820,205.50 for a 50,000 sq ft building.

Does Yulee pay Nassau County impact fees?

Yes. Yulee is unincorporated, so new construction there pays the unincorporated Nassau County schedule on this page, not a city schedule. Search a specific address in the calculator below to confirm it sits outside every city limit.

Do cities in Nassau County charge their own impact fees?

Yes. Every incorporated city applies its own fee schedule. 3 of 3 cities in Nassau County levy municipal impact or utility fees; each city page shows the full schedule that applies inside its limits.

Can Florida impact fees increase at any time?

No. Section 163.31801, Florida Statutes limits increases to 50% at most, phased in over two to four years, unless the local government makes extraordinary-circumstances findings and approves the increase by at least a two-thirds vote.

Fee amounts on this page are compiled from official published schedules and are provided for planning purposes only. Rates change, and project specifics (unit size, meter size, location within special districts) can alter what applies. Always verify current fees with the jurisdiction and utility before relying on them.

Missing a jurisdiction? Get in touch.

Request coverage for a city or county, report an issue, ask about enterprise access, or inquire about sponsorship opportunities. We typically reply within one business day.

0/1000