Clay County impact fees by project type
Where in Clay 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 Clay County: Single-Family Impact Fees
A new single-family home in unincorporated Clay County pays $20,632.31 per unit in impact fees (rates sourced July 23, 2026). All of it is levied by Clay County.
The largest line items are County Impact Fees (Clay County - Unincorporated) ($15,296.00), Sewer Connection Fee (CCUA, Clay County - Unincorporated) ($4,345.34) and Water Connection Fee (CCUA, Clay County - Unincorporated) ($990.97).
View the full Clay County impact fee schedule
- Water Connection Fee (CCUA, Clay County - Unincorporated)$990.97Clay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) serves most developed parts of unincorporated Clay County. The one-time water capacity charge is $990.97 per equivalent residential connection (ERC) under the Service Availability Charges effective October 1, 2025, made up of a Water Capacity Charge of $476.93, an Alternative Water Supply Charge of $411.64, and an SJRWMD Black Creek Water Resource Development Project Connection Charge of $102.40. A single-family home is 1.0 ERC. Several one-time charges are billed on top of this amount and are not included: a potable water meter with backflow preventer and meter box at $501.34 for a standard 5/8" x 3/4" meter (larger meters at cost), a Debt Service Charge of $246.79 per ERC, and a $410.00 surcharge where reclaimed-water piping is not installed. CCUA re-adopts its charges annually effective October 1.
- Sewer Connection Fee (CCUA, Clay County - Unincorporated)$4,345.34Clay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) provides wastewater service to most developed parts of unincorporated Clay County. The one-time wastewater connection charge is $4,345.34 per equivalent residential connection (ERC) under the Service Availability Charges effective October 1, 2025. A single-family home is 1.0 ERC. The adopted schedule expressly carves out properties in Keystone Heights covered by FDEP grants SG481030 and LP0512, where no wastewater connection charge is levied. CCUA re-adopts its charges annually effective October 1.
- City Impact Fee (Clay County - Unincorporated)$0.00N/A — Unincorporated AreaThere are no municipal impact fees in unincorporated Clay County, because unincorporated areas are not within any city. Development in unincorporated Clay pays county impact fees, the Clay County mobility fee, the school impact fee, and utility connection charges instead.
- County Impact Fees (Clay County - Unincorporated)$15,296.00Clay CountyA new single-family home in unincorporated Clay County pays $15,296 in county impact fees before the mobility fee: $4,745 in County Comprehensive Impact Fees under the schedule effective October 1, 2025 (Government/Jails & Constitutional Facilities $562, Fire & Rescue $1,278, Law Enforcement $968, Community Parks $1,228, Regional Parks $356, Libraries & Cultural $353), plus a $10,551 School Impact Fee at the Year 4 rate effective June 1, 2026 and continuing until amended. All six comprehensive categories apply here; several of them do not apply inside the county's municipalities. A Clay County mobility fee is charged IN ADDITION to the amount shown and is not included in it. Mobility Fee Ordinance 2026-8, effective June 15, 2026, imposes the fee only in the unincorporated area and divides it among five districts — Branan Field & Oakleaf; Orange Park, Lakeside & Fleming Island; Keystone Heights & South Clay; Lake Asbury & Green Cove Springs; and Middleburg & West Clay — so the amount depends on which district the parcel falls in. Those rates step up automatically on June 15 of each year through June 15, 2029; the county's published 2026 district schedules list the current rate for each district. County impact fees and mobility fees are collected at electrical power clearance (the equipment-check inspection), not when the building permit is issued. Replacement dwellings that add no new unit may qualify for exemptions.
Where in Clay 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 Clay County: Multifamily Impact Fees
A new multifamily unit in unincorporated Clay County pays $12,972.31 per unit in impact fees (rates sourced July 23, 2026). All of it is levied by Clay County.
The largest line items are County Impact Fees (Clay County - Unincorporated, MF) ($7,636.00).
Water Connection Fee (CCUA, Clay County - Unincorporated, MF) and Sewer Connection Fee (CCUA, Clay County - Unincorporated, MF) are shown at the last published amount but have not been confirmed with the jurisdiction; they are included in the totals here. Verify before budgeting.
View the full Clay County impact fee schedule
- Water Connection Fee (CCUA, Clay County - Unincorporated, MF)$990.97Requires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) serves most developed parts of unincorporated Clay County. The one-time water capacity charge is $990.97 per equivalent residential connection (ERC) under the Service Availability Charges effective October 1, 2025, made up of a Water Capacity Charge of $476.93, an Alternative Water Supply Charge of $411.64, and an SJRWMD Black Creek Water Resource Development Project Connection Charge of $102.40. The amount shown assumes 1.0 ERC per multifamily unit; CCUA's schedule is quoted per ERC and publishes no residential ERC-equivalency table, so a multifamily project's actual ERC count may differ and master-metered projects are commonly sized by meter. Additional one-time charges are billed on top and are not included: meter with backflow preventer and box, a Debt Service Charge of $246.79 per ERC, and a $410.00 surcharge where reclaimed-water piping is not installed. CCUA re-adopts its charges annually effective October 1.
- Sewer Connection Fee (CCUA, Clay County - Unincorporated, MF)$4,345.34Requires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) provides wastewater service to most developed parts of unincorporated Clay County. The one-time wastewater connection charge is $4,345.34 per equivalent residential connection (ERC) under the Service Availability Charges effective October 1, 2025. The amount shown assumes 1.0 ERC per multifamily unit; CCUA's schedule is quoted per ERC and publishes no residential ERC-equivalency table, so a multifamily project's actual ERC count may differ. The adopted schedule expressly carves out properties in Keystone Heights covered by FDEP grants SG481030 and LP0512. CCUA re-adopts its charges annually effective October 1.
- City Impact Fee (Clay County - Unincorporated, MF)$0.00N/AThere are no municipal impact fees in unincorporated Clay County, because unincorporated areas are not within any city. Multifamily development in unincorporated Clay pays county impact fees, the Clay County mobility fee, the school impact fee, and utility connection charges instead.
- County Impact Fees (Clay County - Unincorporated, MF)$7,636.00Clay CountyEach new multifamily unit in unincorporated Clay County pays $7,636 in county impact fees before the mobility fee: $2,829 in County Comprehensive Impact Fees under the schedule effective October 1, 2025 (Government/Jails & Constitutional Facilities $335, Fire & Rescue $761, Law Enforcement $577, Community Parks $732, Regional Parks $213, Libraries & Cultural $211), plus a $4,807 per-unit School Impact Fee at the Year 4 rate effective June 1, 2026 and continuing until amended. All six comprehensive categories apply here; several do not apply inside the county's municipalities. A Clay County mobility fee is charged IN ADDITION to the amount shown and is not included in it. Mobility Fee Ordinance 2026-8, effective June 15, 2026, imposes the fee only in the unincorporated area and divides it among five districts — Branan Field & Oakleaf; Orange Park, Lakeside & Fleming Island; Keystone Heights & South Clay; Lake Asbury & Green Cove Springs; and Middleburg & West Clay — so the per-unit amount depends on the parcel's district. Those rates step up automatically on June 15 of each year through June 15, 2029. The county's published 2026 district rate schedules are scanned images without machine-readable text, so the current district rates are not reflected here. Qualifying affordable and workforce housing at or below 80% of area median income may defer the mobility fee, with the deferral forgiven on the eighth anniversary if the unit is not sold or transferred. County impact fees and mobility fees are collected at electrical power clearance (the equipment-check inspection), not when the building permit is issued.
Where in Clay 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 or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.
Unincorporated Clay County: Commercial Impact Fees
Commercial development in unincorporated Clay County pays $22.59 per square foot in impact fees, plus $13,340.78 in one-time water and sewer connection fees (rates sourced July 23, 2026).
For a 50,000 sq ft building, that comes to about $1,143,090.78. The calculator below adjusts to your exact square footage.
The largest line items are County Comprehensive Impact Fees (Clay County - Unincorporated, Commercial) ($2.46/sq ft).
Water and sewer connection fees assume a 1-inch meter; larger services pay more. See the meter-size tiers in the source schedules.
County Mobility Fee (Clay County - Unincorporated, Commercial), Sewer Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $4,345.34/ERC, and Water Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $990.97/ERC are shown at the last published amount but have not been confirmed with the jurisdiction; they are included in the totals here. Verify before budgeting.
View the full Clay County impact fee schedule
- Water Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $990.97/ERC$2,477.43 one-timeRequires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) water capacity/connection charge, effective October 1, 2025. Charged per ERC (equivalent residential connection); a nonresidential 1-inch meter is billed at 2.5 ERC. Amount shown is for a 1-inch meter; other meter sizes carry proportional ERC factors (5/8–3/4-inch = 1.0 through 2-inch = 8.0). A separate meter installation charge, debt service charge, and — in the Middleburg service area or LAMPA — additional infrastructure charges may also apply.
- Sewer Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $4,345.34/ERC$10,863.35 one-timeRequires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) wastewater connection charge, effective October 1, 2025. Charged per ERC; a nonresidential 1-inch meter is billed at 2.5 ERC. Amount shown is for a 1-inch meter; other meter sizes carry proportional ERC factors (5/8–3/4-inch = 1.0 through 2-inch = 8.0). Keystone Heights is excluded (grant-funded conversion area). A separate debt service charge and Middleburg/LAMPA infrastructure charges may also apply.
- City Impact Fee (Clay County - Unincorporated, Commercial)$0.00N/A — Unincorporated Area
- County Mobility Fee (Clay County - Unincorporated, Commercial)$20.13/sq ftRequires confirmationLake Asbury & Green Cove Springs DistrictHighest of Clay County's five mobility-fee benefit districts (Lake Asbury & Green Cove Springs). The mobility fee applies only to new construction within unincorporated Clay County and varies by benefit district. Fees adjust automatically each June 15 through June 15, 2029.
- County Comprehensive Impact Fees (Clay County - Unincorporated, Commercial)$2.46/sq ftClay CountyClay County comprehensive impact fee, effective for permit packages submitted on or after October 1, 2025; adjusts each October 1 by the ENR Construction Cost Index. Charged per 1,000 sq ft, in addition to any applicable mobility and school fees. In unincorporated Clay County the Government/Jails, Fire & Rescue, and Law Enforcement components all apply.
Where in Clay 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 or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.
Unincorporated Clay County: Industrial Impact Fees
Industrial development in unincorporated Clay County pays $4.21 per square foot in impact fees, plus $13,340.78 in one-time water and sewer connection fees (rates sourced July 23, 2026).
For a 50,000 sq ft building, that comes to about $223,990.78. The calculator below adjusts to your exact square footage.
The largest line items are County Comprehensive Impact Fees (Clay County - Unincorporated, Industrial) ($1.04/sq ft).
Water and sewer connection fees assume a 1-inch meter; larger services pay more. See the meter-size tiers in the source schedules.
County Mobility Fee (Clay County - Unincorporated, Industrial), Sewer Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $4,345.34/ERC, and Water Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $990.97/ERC are shown at the last published amount but have not been confirmed with the jurisdiction; they are included in the totals here. Verify before budgeting.
View the full Clay County impact fee schedule
- Water Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $990.97/ERC$2,477.43 one-timeRequires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) water capacity/connection charge, effective October 1, 2025. Charged per ERC (equivalent residential connection); a nonresidential 1-inch meter is billed at 2.5 ERC. Amount shown is for a 1-inch meter; other meter sizes carry proportional ERC factors (5/8–3/4-inch = 1.0 through 2-inch = 8.0). A separate meter installation charge, debt service charge, and — in the Middleburg service area or LAMPA — additional infrastructure charges may also apply.
- Sewer Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $4,345.34/ERC$10,863.35 one-timeRequires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) wastewater connection charge, effective October 1, 2025. Charged per ERC; a nonresidential 1-inch meter is billed at 2.5 ERC. Amount shown is for a 1-inch meter; other meter sizes carry proportional ERC factors (5/8–3/4-inch = 1.0 through 2-inch = 8.0). Keystone Heights is excluded (grant-funded conversion area). A separate debt service charge and Middleburg/LAMPA infrastructure charges may also apply.
- City Impact Fee (Clay County - Unincorporated, Industrial)$0.00N/A — Unincorporated Area
- County Mobility Fee (Clay County - Unincorporated, Industrial)$3.17/sq ftRequires confirmationLake Asbury & Green Cove Springs DistrictHighest of Clay County's five mobility-fee benefit districts (Lake Asbury & Green Cove Springs). The mobility fee applies only to new construction within unincorporated Clay County and varies by benefit district. Fees adjust automatically each June 15 through June 15, 2029.
- County Comprehensive Impact Fees (Clay County - Unincorporated, Industrial)$1.04/sq ftClay CountyClay County comprehensive impact fee, effective for permit packages submitted on or after October 1, 2025; adjusts each October 1 by the ENR Construction Cost Index. Charged per 1,000 sq ft, in addition to any applicable mobility and school fees. In unincorporated Clay County the Government/Jails, Fire & Rescue, and Law Enforcement components all apply.
Where in Clay 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 or more fees are unconfirmed or have no published amount; the figure shown may not be the complete cost.
Unincorporated Clay County: Office Impact Fees
Office development in unincorporated Clay County pays $7.14 per square foot in impact fees, plus $13,340.78 in one-time water and sewer connection fees (rates sourced July 23, 2026).
For a 25,000 sq ft building, that comes to about $191,865.78. The calculator below adjusts to your exact square footage.
The largest line items are County Comprehensive Impact Fees (Clay County - Unincorporated, Office) ($2.95/sq ft).
Water and sewer connection fees assume a 1-inch meter; larger services pay more. See the meter-size tiers in the source schedules.
County Mobility Fee (Clay County - Unincorporated, Office), Sewer Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $4,345.34/ERC, and Water Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $990.97/ERC are shown at the last published amount but have not been confirmed with the jurisdiction; they are included in the totals here. Verify before budgeting.
View the full Clay County impact fee schedule
- Water Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $990.97/ERC$2,477.43 one-timeRequires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) water capacity/connection charge, effective October 1, 2025. Charged per ERC (equivalent residential connection); a nonresidential 1-inch meter is billed at 2.5 ERC. Amount shown is for a 1-inch meter; other meter sizes carry proportional ERC factors (5/8–3/4-inch = 1.0 through 2-inch = 8.0). A separate meter installation charge, debt service charge, and — in the Middleburg service area or LAMPA — additional infrastructure charges may also apply.
- Sewer Connection Fee (CCUA, Clay County - Unincorporated) — 1" meter, 2.5 ERC × $4,345.34/ERC$10,863.35 one-timeRequires confirmationClay County Utility Authority (CCUA)Clay County Utility Authority (CCUA) wastewater connection charge, effective October 1, 2025. Charged per ERC; a nonresidential 1-inch meter is billed at 2.5 ERC. Amount shown is for a 1-inch meter; other meter sizes carry proportional ERC factors (5/8–3/4-inch = 1.0 through 2-inch = 8.0). Keystone Heights is excluded (grant-funded conversion area). A separate debt service charge and Middleburg/LAMPA infrastructure charges may also apply.
- City Impact Fee (Clay County - Unincorporated, Office)$0.00N/A — Unincorporated Area
- County Mobility Fee (Clay County - Unincorporated, Office)$4.19/sq ftRequires confirmationLake Asbury & Green Cove Springs DistrictHighest of Clay County's five mobility-fee benefit districts (Lake Asbury & Green Cove Springs). The mobility fee applies only to new construction within unincorporated Clay County and varies by benefit district. Fees adjust automatically each June 15 through June 15, 2029.
- County Comprehensive Impact Fees (Clay County - Unincorporated, Office)$2.95/sq ftClay CountyClay County comprehensive impact fee, effective for permit packages submitted on or after October 1, 2025; adjusts each October 1 by the ENR Construction Cost Index. Charged per 1,000 sq ft, in addition to any applicable mobility and school fees. In unincorporated Clay County the Government/Jails, Fire & Rescue, and Law Enforcement components all apply.
Clay County impact fee calculator
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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 2021, 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.
For a primer on how impact fees work, see our plain-English guide.
Clay County impact fee FAQs
What are single-family impact fees in Clay County, Florida?
A new single-family home in unincorporated Clay County pays $20,632.31 per unit in impact fees (rates sourced July 23, 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 Clay County?
Multifamily development in unincorporated Clay County pays $12,972.31 per unit in impact fees (rates sourced July 23, 2026). This figure includes amounts that have not been confirmed with the jurisdiction; verify before budgeting. Rates inside city limits depend on the municipality. Pick your city on this page.
How much are commercial impact fees in Clay County?
Commercial development in unincorporated Clay County pays $22.59 per square foot in impact fees, plus $13,340.78 in one-time water and sewer connection fees (assuming a 1-inch meter), about $1,143,090.78 for a 50,000 sq ft building. This figure includes amounts that have not been confirmed with the jurisdiction; verify before budgeting.
Do cities in Clay County charge their own impact fees?
Yes. Every incorporated city applies its own fee schedule. 2 of 4 cities in Clay 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.