Kirkland, WA vs Osceola County, FL: Development Impact Fees Compared (2026)
A single-family home pays about $47,431 in Kirkland vs $48,161 in Osceola County — Osceola County is $730 (2%) higher. Every figure below is normalized per dwelling unit by category, with links to each jurisdiction’s official sources.
City
Kirkland, WA
$47,431
Total per single-family home
impact + connection fees
$28,182
Impact / development fees
roads, parks, schools…
$19,249
Water & sewer connection
tap / capacity / SDC
—
Per multifamily unit
total fees / unit
Impact / development fees
| Fee (local term) | Basis | Amount | Source · effective |
|---|---|---|---|
Transportation / roads Transportation Impact Fee — Kirkland charges the transportation impact fee at $4.39/sq ft (2025) for Residential Non-Stacked, raised 2.7% CPI-W to ~$4.51/sf for Jan-Jun 2026, capped at a per-dwelling-unit max of $8,115.35. The max is reached at ~1,800 sq ft, so essentially every detached single-family home pays the $8,115.35 cap. Figure is the Jan-Jun 2026 maximum from the official fee-change notice. KMC Ch. 27.04, Ord. O-4904. VERIFIED via Jina proxy of source 1 and an independent search snippet. | per dwelling unit | $8,115 | City of Kirkland Jan 1, 2026High |
Parks & recreation Park Impact Fee — Charged at $5.04/sq ft (2025) Residential Non-Stacked, +2.7% CPI-W for Jan-Jun 2026, capped at per-dwelling-unit max of $9,316.94. Max reached at ~1,800 sq ft, so a typical detached single-family home pays the $9,316.94 cap. KMC Ch. 27.06, Ord. O-4901. VERIFIED via Jina proxy of source 1 and an independent search snippet. | per dwelling unit | $9,317 | City of Kirkland Jan 1, 2026High |
Fire / EMS Fire Impact Fee — Fire impact fee is per sq ft of conditioned floor area: $0.73/sf (2025), +2.7% CPI-W = ~$0.7497/sf for Jan-Jun 2026. Unlike park/transportation, the fire cap ($2,399.07 in 2026) is NOT reached until ~3,200 sq ft, so a representative ~2,500 sq ft home pays ~$1,874 (2,500 x $0.7497 = $1,874.27). Amount shown is COMPUTED for a 2,500 sq ft home; actual fee scales with home size up to the $2,399.07 max. KMC Ch. 27.10, Ord. O-4901. Per-sf rate and max VERIFIED in source 0 (Jina proxy); confidence downgraded high->medium because the exact dollar is a derived computation at an assumed home size, not a published figure. | per dwelling unit | $1,874 | City of Kirkland Jan 1, 2026Medium |
Fire / EMS Fire Impact Fee (maximum cap, large home) — Maximum per-dwelling-unit fire impact fee (Jan-Jun 2026), reached at ~3,200+ sq ft of conditioned floor area. Excluded from total as an alternative tier to the per-sqft primary row above. VERIFIED verbatim in source 1 (Jina proxy). alternative · not added to total | per dwelling unit | $2,399 | City of Kirkland Jan 1, 2026High |
Schools School Impact Fee (Lake Washington SD No. 414) — Flat fee per detached single-family unit, set by Lake Washington School District No. 414 and collected by the City of Kirkland under RCW 82.02 / KMC Ch. 27.08 (Ord. O-4910 for 2026). 2025 was $5,972; Jan 2026 is $7,277. A separate $142 school impact fee administrative fee is also charged per the July-Dec 2025 schedule. VERIFIED verbatim in source 1 (Jina proxy) and corroborated by LWSD Impact Fees FAQ (SF $7,277 effective 1/1/2026). | per dwelling unit | $7,277 | City of Kirkland Jan 1, 2026High |
Schools School Impact Fee admin fee — Administrative fee charged in addition to the school impact fee. Value shown is from the 2025 schedule ($142); the 2026 admin amount may differ slightly with CPI but was not separately published in the Jan 2026 notice. Excluded from total to avoid double counting; add to school fee for an all-in figure. VERIFIED verbatim in source 0 (Jina proxy). alternative · not added to total | per dwelling unit | $142 | City of Kirkland Jan 1, 2025Medium |
Drainage / stormwater Surface Water Capital Facility Charge (SWCFC), one new detached dwelling — Kirkland stormwater/surface water capital facility charge for one new detached dwelling on a single lot (Jan 2026). For other development types the charge = (impervious sq ft added / 2,600), rounded down, x $1,598. Alteration/expansion of an existing single dwelling on a single lot is exempt. VERIFIED verbatim by direct pdftotext of source 2. | per dwelling unit | $1,598 | City of Kirkland (hosted by MRSC) Jan 1, 2026High |
Water & sewer connection fees
| Fee (local term) | Basis | Amount | Source · effective |
|---|---|---|---|
Water connection (tap / SDC) Water Capital Facility Charge (WCFC), 5/8" x 3/4" meter — City of Kirkland Water Capital Facility Charge for a new connection at the base residential 5/8"x3/4" meter (Jan 2026). This is the city portion. The additive Cascade Water Alliance RCFC ($8,852) is a separate row; combined total for a 3/4" connection is $13,724. VERIFIED verbatim by direct pdftotext of source 2. | per meter | $4,872 | City of Kirkland (hosted by MRSC) Jan 1, 2026High |
Water connection (tap / SDC) Cascade Water Alliance Regional Capital Facility Charge (RCFC), 3/4" meter — Cascade Water Alliance regional wholesale capacity charge collected by Kirkland on all new water connections, ADDITIVE to the city WCFC (correctly NOT excluded; applies to the same connection alongside WCFC). 2026 = $8,852 for a 3/4" meter (Cascade Board Resolution 2024-13). No vesting; rate due is the rate in place at time of payment. Levied by a separate regional entity (Cascade Water Alliance) but mandatory for Kirkland builders. VERIFIED verbatim in source 1 (Jina proxy) and cross-checked against source 2 total ($13,724). | per meter | $8,852 | City of Kirkland Jan 1, 2026High |
Water connection (tap / SDC) Water meter installation (drop-in), 5/8" x 3/4" — One-time water meter drop-in (installation) fee for the base residential meter (Jan 2026). Separate from and additive to the WCFC/RCFC capacity charges. VERIFIED verbatim by direct pdftotext of source 2. | per meter | $401 | City of Kirkland (hosted by MRSC) Jan 1, 2026High |
Sewer connection (tap / SDC) Sewer Capital Facility Charge (SCFC), single-family — City of Kirkland Sewer Capital Facility Charge for a single-family residential connection (Jan 2026). Multi-unit: 2-unit $8,301; 3-unit $12,451; 4-unit $16,602; 5+ units $3,228/unit. Does NOT include the separate King County sewer treatment capacity charge (see coverage notes). VERIFIED verbatim by direct pdftotext of source 2. | per dwelling unit | $5,124 | City of Kirkland (hosted by MRSC) Jan 1, 2026High |
Sewer connection (tap / SDC) King County Sewer Treatment Capacity Charge (monthly, separate district) — SEPARATE regional charge by King County Wastewater Treatment Division, billed in addition to Kirkland's SCFC on all newly connected sewer customers. NOT a one-time lump sum: $77.99/RCE/MONTH, billed quarterly for 15 years. A medium single-family house (1,500-2,999 sq ft) = 1.0 RCE = $77.99/month (~$936/yr; ~$14,038 nominal over 15 years before any early-payoff/interest discount). Excluded from the one-time SDC total because it is a financed monthly charge, not a connection lump sum. A builder/buyer should budget for it separately. VERIFIED verbatim via WebFetch of source 5 (billed quarterly for 15 years). alternative · not added to total | $77.99 | King County Wastewater Treatment Division Jan 1, 2026High |
County
Osceola County, FL
$48,161
Total per single-family home
impact + connection fees
$37,718
Impact / development fees
roads, parks, schools…
$10,443
Water & sewer connection
tap / capacity / SDC
$27,626
Per multifamily unit
total fees / unit
Impact / development fees
| Fee (local term) | Basis | Amount | Source · effective |
|---|---|---|---|
Transportation / roads Mobility Fee (Transportation) - Single-Family (countywide base CMP area) — Countywide base CMP (Capacity Management Plan) area mobility fee; columns are Single-Family / Mobile Home / Multi-Family Rental / Multi-Family Condo / Townhouse. Used as PRIMARY single-family mobility row. Mutually-exclusive sub-area variants are excluded below. VERIFIED against archived official county PDF. | per dwelling unit | $21,710 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Schools School (Educational System) Impact Fee - Single-Family — Educational system impact fee adopted under Osceola County Code Chapter 24, Article III; collected by the County for school facilities. Identical across all CMP service areas. Columns: Single-Family / Mobile Home / Multi-Family Rental / Multi-Family Condo / Townhouse. VERIFIED. | per dwelling unit | $12,923 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Parks & recreation Park Impact Fee - Single-Family — Identical across all CMP service areas. VERIFIED. | per dwelling unit | $2,305 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Fire / EMS Fire/Rescue Impact Fee - Single-Family — Fire rescue impact fee (Chapter 24, Article V). Identical across all CMP service areas. VERIFIED. | per dwelling unit | $780 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Transportation / roads Mobility Fee - Single-Family (East of Lake Toho CMP Area) [VARIANT] — Mutually-exclusive geographic variant of the single-family mobility fee for the East of Lake Toho CMP service area. Excluded from total; countywide base $21,710.14 is primary. VERIFIED. alternative · not added to total | per dwelling unit | $20,654 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Transportation / roads Mobility Fee - Single-Family (South Lake Toho CMP Area) [VARIANT] — Mutually-exclusive geographic variant of the single-family mobility fee for the South Lake Toho CMP service area. Excluded from total. VERIFIED. alternative · not added to total | per dwelling unit | $20,014 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Transportation / roads Mobility Fee - Single-Family (Alligator Chain of Lakes CMP Area) [VARIANT] — Mutually-exclusive geographic variant of the single-family mobility fee for the Alligator Chain of Lakes CMP service area. Excluded from total. VERIFIED. alternative · not added to total | per dwelling unit | $21,347 | Osceola County, FL (Impact and Mobility Fees Office) Jun 20, 2025High |
Water & sewer connection fees
| Fee (local term) | Basis | Amount | Source · effective |
|---|---|---|---|
Water connection (tap / SDC) Toho Water Authority - Water System Development Charge (SDC), 3/4" meter — Toho Water Authority (utility serving Osceola County) Water SDC for the standard residential 3/4" meter. Separate special district / utility authority fee a builder must pay. PRIMARY meter size; larger meters are mutually-exclusive variants (excluded below). VERIFIED in Appendix A PDF. | per meter | $6,650 | Toho Water Authority May 5, 2025High |
Sewer connection (tap / SDC) Toho Water Authority - Wastewater/Sewer System Development Charge (SDC), 3/4" meter — Toho Water Authority Wastewater SDC for the standard residential 3/4" meter. Combined water+wastewater SDC = $9,943 per ERU at the 3/4" meter. Separate special district / utility authority fee. VERIFIED in Appendix A PDF. | per meter | $3,293 | Toho Water Authority May 5, 2025High |
Water connection (tap / SDC) Toho Water Authority - Water meter installation fee, 3/4" meter — Meter installation/set fee, additive to the water SDC for a new 3/4" residential connection. INDEPENDENTLY VERIFIED on the Toho Development Fees page AND in the Appendix A PDF (sourceIndex 1: '3/4" Potable Meter with dual check $500.00'). Confidence upgraded medium->high. | per meter | $500 | Toho Water Authority May 5, 2025High |
Sewer connection (tap / SDC) Toho Water Authority - Sanitary sewer tap fee — Wastewater tap fee, additive to the sewer SDC where a new tap is required. INDEPENDENTLY VERIFIED on the Toho Development Fees page; confidence upgraded medium->high. A separate sanitary lateral ($4,800) and sanitary connection ($150) may also apply depending on connection scope. | $2,250 | Toho Water Authority May 5, 2025High | |
Water connection (tap / SDC) Toho Water Authority - Water SDC, 1" meter [VARIANT] — Mutually-exclusive meter-size variant. Standard residential uses 3/4" meter (primary). Wastewater SDC at 1" meter is $5,499. VERIFIED in Appendix A PDF. alternative · not added to total | per meter | $11,106 | Toho Water Authority May 5, 2025High |
Water connection (tap / SDC) Toho Water Authority - Water SDC, 2" meter [VARIANT] — Mutually-exclusive meter-size variant (Water SDC $35,445 / Wastewater SDC $17,552 at 2" meter). All meters above 2" subject to individual capacity analysis. 3/4" meter is primary. VERIFIED in Appendix A PDF. alternative · not added to total | per meter | $35,445 | Toho Water Authority May 5, 2025High |
What drives the difference
Osceola County’s $48,161 per single-family home is $730 (2%) above Kirkland’s $47,431. The largest single difference is in transportation / roads: Osceola County charges about $21,710 there versus $8,115 in Kirkland — a $13,595 swing that accounts for much of the overall gap. The two also differ in how much falls on water and sewer connection charges: $19,249 in Kirkland versus $10,443 in Osceola County.
Keep comparing
Kirkland vs Osceola County impact fees — FAQ
- Which has higher impact fees, Kirkland or Osceola County?
- Osceola County, FL is higher. A single-family home pays about $48,161 per unit in Osceola County versus $47,431 in Kirkland, WA — $730 (2%) more, as of 2026.
- How much more does it cost to build a home in Osceola County than in Kirkland?
- About $730 more per single-family home — $48,161 in Osceola County, FL versus $47,431 in Kirkland, WA, a difference of 2% in total development impact and connection fees.
- What's the difference between impact fees in Kirkland and Osceola County for a single-family home?
- Kirkland, WA charges about $47,431 per single-family home ($28,182 impact + $19,249 water/sewer connection), while Osceola County, FL charges about $48,161 ($37,718 impact + $10,443 connection). Figures are normalized from official sources for 2026.