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Somerton, Arizona Impact Fees

Somerton applies its own fee schedule. Yuma County does not currently add county-level impact fees inside city limits. A new single-family home pays $9,485.00 per unit (rates sourced ). The full breakdown is below.

Somerton Impact Fees by Project Type

Somerton: Single-Family Impact Fees

A new single-family home in Somerton pays $9,485.00 per unit in impact fees (rates sourced October 15, 2026). Every line item is levied at the municipal or utility level.

The largest line items are Wastewater Development Fee (City of Somerton) ($3,741.00), Development Impact Fee (City of Somerton) ($3,569.00) and Water Development Fee (City of Somerton) — 0.75" meter ($1,500.00).

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

View the Full Somerton Impact Fee Schedule
Water$1,975.00
  • Water Development Fee (City of Somerton) — 0.75" meter
    City of Somerton
    Somerton charges a one-time water development fee by meter size, the same citywide: $1,500 for a 0.75-inch meter (the standard home meter), rising to $16,003 for a 3-inch meter. Adopted March 1, 2022 and effective May 16, 2022, it is paid in addition to the water connection charge.
    $1,500.00
  • Water Connection Charge (City of Somerton) — 3/4" meter
    City of Somerton
    Somerton's water connection charge is $475 for a 3/4-inch meter or smaller, scaled by a meter equivalency factor for larger meters (1-inch $793, 1.5-inch $1,582, 2-inch $2,532). It is separate from, and paid in addition to, the city's water development fee.
    $475.00
Sewer$3,941.00
  • Wastewater Development Fee (City of Somerton)
    City of Somerton
    Somerton charges a wastewater development fee of $3,741 per single-unit home. Adopted March 1, 2022 and effective May 16, 2022, it is paid in addition to the sewer connection fee. Buildings of two or more units pay the wastewater fee by water meter size instead.
    $3,741.00
  • Sewer Connection Fee (City of Somerton) — 4" pipe or less
    City of Somerton
    Somerton's sewer connection fee is $200 for a connection using a 4-inch pipe or smaller (the standard home lateral), $400 for a 6-inch pipe and $600 for an 8-inch pipe, plus a $50 inspection fee for new construction. It is separate from, and paid in addition to, the city's wastewater development fee.
    $200.00
City$3,569.00
  • Development Impact Fee (City of Somerton)
    City of Somerton
    Somerton charges development impact fees of $3,569 for a single-family housing unit, made up of parks and recreational facilities $1,323, public safety facilities $992 and streets facilities $1,254. The schedule was adopted in March 2022 and took effect May 16, 2022. Water and wastewater development fees are charged separately and are in addition to this amount.
    $3,569.00
County$0.00
Total (Somerton): $9,485.00
Sources last checked Official fee schedules:City of Somerton Yuma County

Where in Yuma 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 Yuma County$0.00Includes unconfirmed feesSan Luis$9,311.00
Somerton$9,485.00this page
Wellton$2,879.00Includes unconfirmed feesYuma$2,572.00Includes unconfirmed fees

Somerton: Multifamily Impact Fees

A new multifamily unit in Somerton pays $7,976.00 per unit in impact fees (rates sourced October 15, 2026). Every line item is levied at the municipal or utility level.

The largest line items are Wastewater Development Fee (City of Somerton, MF) — Northeast Area, 0.75" meter ($3,243.00), Development Impact Fee (City of Somerton, MF) ($2,558.00) and Water Development Fee (City of Somerton, MF) — 0.75" meter ($1,500.00).

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

View the Full Somerton Impact Fee Schedule
Water$1,975.00
  • Water Development Fee (City of Somerton, MF) — 0.75" meter
    City of Somerton
    Somerton charges its water development fee per meter, the same citywide: $1,500 for a unit with its own 0.75-inch meter; a building served through one larger meter pays once at that meter's size, up to $16,003 for a 3-inch meter. Adopted March 1, 2022 and effective May 16, 2022.
    $1,500.00
  • Water Connection Charge (City of Somerton, MF) — 3/4" meter
    City of Somerton
    Somerton's water connection charge is $475 per connection with a 3/4-inch meter or smaller; a building served through one larger meter pays once at that meter's equivalency-factor rate (1-inch $793, 1.5-inch $1,582, 2-inch $2,532). It is separate from the city's water development fee.
    $475.00
Sewer$3,443.00
  • Wastewater Development Fee (City of Somerton, MF) — Northeast Area, 0.75" meter
    City of Somerton
    For buildings of two or more units, Somerton charges its wastewater development fee by water meter size, at rates that depend on the area: Citywide, Northeast Area or Northwest Area. This is the highest of 3 rate districts: $3,243 for a 0.75-inch meter in the Northeast Area, against $3,016 in the Northwest Area and $1,798 elsewhere in the city. A building on one larger meter pays once at that meter's size. Adopted March 1, 2022 and effective May 16, 2022.
    $3,243.00
  • Sewer Connection Fee (City of Somerton, MF) — 4" pipe or less
    City of Somerton
    Somerton's sewer connection fee is $200 per connection using a 4-inch pipe or smaller; a building on one larger lateral pays once at that pipe size ($400 for 6-inch, $600 for 8-inch), plus a $50 inspection fee. It is separate from the city's wastewater development fee.
    $200.00
City$2,558.00
  • Development Impact Fee (City of Somerton, MF)
    City of Somerton
    Somerton charges development impact fees of $2,558 per unit for buildings of two or more dwelling units, made up of parks and recreational facilities $992, public safety facilities $594 and streets facilities $972. The schedule was adopted in March 2022 and took effect May 16, 2022. For multi-unit buildings the water and wastewater development fees are charged separately based on water meter size.
    $2,558.00
County$0.00
Total (Somerton): $7,976.00
Sources last checked Official fee schedules:City of Somerton Yuma County

Where in Yuma 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 Yuma County$0.00Includes unconfirmed feesSan Luis$8,074.00
Somerton$7,976.00this page
Wellton$2,604.00Includes unconfirmed feesYuma$1,957.00Includes unconfirmed fees

Somerton: Commercial Impact Fees

Commercial development in Somerton pays $3.94 per square foot in impact fees, plus $8,913.00 in one-time water and sewer connection fees (rates sourced October 15, 2026).

For a 50,000 sq ft building, that comes to about $205,963.00. The calculator below adjusts to your exact square footage.

The largest line items are Wastewater Development (Capacity) Fee (City of Somerton) — Northeast Area, 1" meter ($5,415.00 one-time), Water Development (Capacity) Fee (City of Somerton) — 1" meter ($2,505.00 one-time) and Water Connection Charge (City of Somerton) — 1" meter ($793.00 one-time).

Water and sewer connection fees assume a 1-inch meter; larger services pay more. See the meter-size tiers in the source schedules.

View the Full Somerton Impact Fee Schedule
Water$3,298.00 one-time
Sewer$5,615.00 one-time
City$3.94/sq ft
County$0.00
Total (Somerton): $3.94/sq ft + $8,913.00 one-time (≈ $205,963.00 at 50,000 sq ft)
Sources last checked
Water/sewer connection fees assume a 1-inch meter; larger services pay more.

Where in Yuma 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 Yuma County$6,500.00*San Luis$343,801.00
Somerton$205,963.00this page
Wellton$211,407.00Includes unconfirmed feesYuma$96,000.00Includes unconfirmed fees

Somerton: Industrial Impact Fees

Industrial development in Somerton pays $0.46 per square foot in impact fees, plus $8,913.00 in one-time water and sewer connection fees (rates sourced October 15, 2026).

For a 50,000 sq ft building, that comes to about $32,063.00. The calculator below adjusts to your exact square footage.

The largest line items are Wastewater Development (Capacity) Fee (City of Somerton) — Northeast Area, 1" meter ($5,415.00 one-time), Water Development (Capacity) Fee (City of Somerton) — 1" meter ($2,505.00 one-time) and Water Connection Charge (City of Somerton) — 1" meter ($793.00 one-time).

Water and sewer connection fees assume a 1-inch meter; larger services pay more. See the meter-size tiers in the source schedules.

View the Full Somerton Impact Fee Schedule
Water$3,298.00 one-time
Sewer$5,615.00 one-time
City$0.46/sq ft
County$0.00
Total (Somerton): $0.46/sq ft + $8,913.00 one-time (≈ $32,063.00 at 50,000 sq ft)
Sources last checked
Water/sewer connection fees assume a 1-inch meter; larger services pay more.

Where in Yuma 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 Yuma County$6,500.00*San Luis$139,451.00
Somerton$32,063.00this page
Wellton$71,257.00Includes unconfirmed feesYuma$38,000.00Includes unconfirmed fees

Somerton: Office Impact Fees

Office development in Somerton pays $2.15 per square foot in impact fees, plus $8,913.00 in one-time water and sewer connection fees (rates sourced October 15, 2026).

For a 25,000 sq ft building, that comes to about $62,613.00. The calculator below adjusts to your exact square footage.

The largest line items are Wastewater Development (Capacity) Fee (City of Somerton) — Northeast Area, 1" meter ($5,415.00 one-time), Water Development (Capacity) Fee (City of Somerton) — 1" meter ($2,505.00 one-time) and Water Connection Charge (City of Somerton) — 1" meter ($793.00 one-time).

Water and sewer connection fees assume a 1-inch meter; larger services pay more. See the meter-size tiers in the source schedules.

View the Full Somerton Impact Fee Schedule
Water$3,298.00 one-time
Sewer$5,615.00 one-time
City$2.15/sq ft
County$0.00
Total (Somerton): $2.15/sq ft + $8,913.00 one-time (≈ $62,613.00 at 25,000 sq ft)
Sources last checked
Water/sewer connection fees assume a 1-inch meter; larger services pay more.

Where in Yuma 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 Yuma County$6,500.00*San Luis$148,426.00
Somerton$62,613.00this page
Wellton$59,757.00Includes unconfirmed feesYuma$29,500.00Includes unconfirmed fees

Somerton Impact Fee Calculator

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How Development Impact Fees Work in Arizona

Arizona cities and towns assess development impact fees (the statute calls them development fees) under A.R.S. 9-463.05 and counties under A.R.S. 11-1102. A fee can only be adopted after the governing body adopts land use assumptions and an infrastructure improvements plan for the service area, with public notice and hearings, and the plan projects demand for no more than ten years.

Fees are limited to necessary public services the statute lists: water, wastewater, stormwater and drainage, streets, fire and police facilities, neighborhood parks of up to 30 acres and, for cities, small libraries. Each fee must be proportionate to the new development's share of the cost, kept in a separate account for that service category and service area, and never used for operations, maintenance or a higher level of service for existing development.

Developers earn credits for facilities they build or dedicate, and a fee that goes unspent for ten years (fifteen for water or wastewater) is refundable with interest on request. For a residential unit the fee is due when the building permit issues unless a development agreement defers it, and a new or increased fee cannot be applied to an approved plat or site plan for 24 months.

Counties and cities each adopt their own schedules. County development fees apply in the county's service areas; inside city limits, development pays the city's fees plus any utility connection charges, which is why totals differ between a city and the unincorporated county around it.

Brush up on impact fee basics before you budget your next project.

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

Somerton Impact Fee FAQs

What are the total impact fees for a single-family home in Somerton, Arizona?

A new single-family home in Somerton pays $9,485.00 per unit in combined impact fees (rates sourced October 15, 2026).

How much are commercial impact fees in Somerton?

Commercial development in Somerton pays $3.94 per square foot in impact fees, plus $8,913.00 in one-time water and sewer connection fees (assuming a 1-inch meter), about $205,963.00 for a 50,000 sq ft building.

Does Somerton charge its own impact fees?

Yes. Somerton levies its own municipal impact or utility fees. Yuma County does not currently add county-level impact fees inside Somerton. The schedule on this page shows every fee that applies to development in Somerton.

Can Arizona development impact fees increase at any time?

No. Under A.R.S. 9-463.05 and 11-1102 a new or increased fee cannot be adopted on an emergency basis, takes effect only after public notice and hearings (75 days after adoption for a city, 90 for a county), and cannot be applied to a development with an approved final plat or site plan for 24 months unless the plan changes to add service units.

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.

Compare unincorporated rates and every other city on the Yuma County impact fees page.

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