CostInMyCity

Seattle, WA / Roof replacement

Roof replacement cost in Seattle, WA

Typical cost: $12,147 (range $7,655 to $55,580)

Typical all-in

$12,147

Job cost plus the local permit fee at this size.

Low
$7,655
Typical
$12,147
High (steep/premium)
$55,580

High is the published broad high for steep or premium materials, adjusted for local wages. It is not the asphalt shingle price in the opener.

1 square = 100 sq ft of roof surface, not floor area. A typical house is about 13 to 18 squares.

Breakdown

Labor (allocated)$6,272
Materials (allocated)$5,132
Job subtotal$11,404
Permit$742.97
All-in typical$12,147

Labor is adjusted for construction wages in this metro. Materials stay at the national figure. This is an estimate, not a contractor quote.

Professional replacement for a typical home roof of about 1,300 to 1,800 sq ft of surface.

A typical roof replacement in Seattle, WA is about $12,147, including a permit fee of $742.97.

What we assumed

For the permit line we assumed the Seattle SDCI 2026 Fee Subtitle Tables D-1 and D-2 STFI like-for-like reroof path (100% building permit + 40% plan review of DFI), plus the 5% technology fee and the WA State Building Code Council fee, at the official $12,000 typical valuation, so listed STFI fee bands are low $648.89, typical $742.97, and high $978.17. The DFI walk and the full plan review (200% of DFI) alternate are in the calculation note on this page.

Typical job we price for Roof replacement in Seattle, WA

Typical scope
16 squares (1,600 sq ft of roof surface, not floor area)
Low scope
10 squares (1,000 sq ft of roof surface)
High scope
18 squares (1,800 sq ft of roof surface)
Project value for permit formula (typical)
$12,000
Project value range for permit formula
$8,000 to $22,000

One square is 100 sq ft of roof surface, not floor area. A 1,500 sq ft roof is 15 squares, so it is not the typical size listed above.

2026 asphalt / mid-size roof band

Typical job sizes and assumed values from our published sources. Assumed values feed the permit formula. They are not the city's assessed value.

Local context

City facts

County
King County
Population
784,777
Estimate year
2025
Source
U.S. Census Bureau Vintage 2025 city estimates (July 1, 2025)

Census and county figures. These are estimates, not a permit requirement.

Why roof replacement costs differ in Seattle, WA

Labor for roof replacement in Seattle, WA is adjusted for local construction wages. Materials stay at the national figure.

The official typical permit fee for roof replacement in Seattle, WA is $742.97, the Tables D-1 and D-2 STFI like-for-like reroof path at the official $12,000 typical valuation. Listed STFI fee bands are low $648.89, typical $742.97, and high $978.17. Band arithmetic is in the calculation note on this page.

Full plan review (200% of DFI) for structural changes or layered roofs when STFI is ineligible is not used in the official totals. That alternate is in the calculation note on this page.

Building and trade permits for Seattle, WA run through Seattle Department of Construction and Inspections (SDCI) under the official 2026 fee schedule. The cited schedule is Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2 (source retrieved 2026-08-13). This roof row uses the STFI path (100% building permit + 40% plan review of DFI) plus the 5% technology fee and the WA BCC fee. The DFI walk stays in the calculation note on this page. Peer listed typical permit fees in this cluster include Charlotte, NC $0, Denver, CO $115, Nashville, TN $91, Atlanta, GA $175, Austin, TX $0, Phoenix, AZ $646, Tucson, AZ $337.49, Portland, OR $403.14, Raleigh, NC $248, Tacoma, WA $0, St. Louis, MO $145. We only use fees extracted from the official schedule.

Uses the city fee schedule and BLS wage data. If a fee is not published, that line stays blank.

Cost details

Cost by size

SizeAll-in typicalPermit
10 squares (1,000 sq ft of roof surface)$7,870$742.97
16 squares (1,600 sq ft of roof surface, not floor area); typical$12,147$742.97
18 squares (1,800 sq ft of roof surface)$13,572$742.97

All-in at this size, adjusted for local wages. The permit is the city fee when the schedule lists one.

Labor vs materials

Labor share
55%
Materials share
45%
Cost source
How Much Does Roof Replacement Cost? [2026 Data]

Professional roofers are commonly quoted around $40–$90/hour per worker; labor is a large share. We split labor and materials 55/45 to adjust labor for local wages.

Our labor and materials split for this estimate. It is for the local wage adjustment, not a surveyed contractor split.

What moves the price

What changes the total

  • Size is roof squares. One square is 100 sq ft of roof surface, not floor area. The size table lists the low, typical, and high.
  • Labor for Roof replacement in Seattle, WA is adjusted for local construction wages.
  • The permit fee on the typical job is $742.97. The permit section on this page has the schedule detail.

Metro wage index

Metro
Seattle-Tacoma-Bellevue, WA
Metro construction mean hourly
$42.11/hr
Metro OEWS vintage
May 2025
National construction mean hourly
$31.42/hr
National OEWS vintage
May 2025
Labor wage multiplier
1.340× labor
Method
BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to the labor share only. Not a city-specific bid survey.
Metro source
BLS OEWS metro release
National source
BLS OEWS national release

For this metro the whole job is 1.187 times the national typical, because only the labor portion is adjusted for local wages.

Compare roof replacement across metros

All-in at the typical job size, adjusted for local wages. The permit is the city fee when the schedule lists one.
CityAll-in typicalPermitOpen
Charlotte, NC$8,954$0Open
Seattle, WA$12,147$742.97This page
Denver, CO$9,991$115Open
Nashville, TN$9,218$91Open
Atlanta, GA$9,244$175Open
Austin, TX$8,925$0Open
Phoenix, AZ$9,917$646Open
Tucson, AZ$9,156$337.49Open
Portland, OR$11,355$403.14Open
Raleigh, NC$9,221$248Open
Tacoma, WA$11,404$0Open
St. Louis, MO$10,424$145Open

Other home projects in Seattle, WA

All-in at the typical job size, adjusted for local wages. The permit is the city fee when the schedule lists one.
JobAll-in typicalPermitOpen
Roof replacement$12,147$742.97This page
HVAC replacement$8,392$126.73Open
Deck$17,907$1,059Open
Kitchen remodel$34,371$1,821Open

Questions about this estimate

How much does roof replacement cost in Seattle, WA?
Typical all-in is about $12,147. The official SDCI permit fee of $742.97 on the Tables D-1 and D-2 STFI path is included in the all-in.
Is a permit required for Roof replacement in Seattle, WA?
Yes. Seattle Department of Construction and Inspections (SDCI) requires a permit for a typical Roof replacement in Seattle, WA. The typical listed fee is $742.97. The official path is the Seattle SDCI Tables D-1 and D-2 STFI like-for-like reroof (100% building permit + 40% plan review of DFI). Listed STFI fee bands are low $648.89, typical $742.97, and high $978.17.
What is included in this Roof replacement estimate for Seattle, WA?
The estimate is labor adjusted for local wages in Seattle, WA, plus materials at the national figure, at the typical size in the table above. The official typical permit fee of $742.97 is included in the all-in typical. That fee is the official STFI path: building permit at 100% of DFI, plan review at 40% of DFI, the 5% technology fee, and the WA State Building Code Council fee. Full plan review (200% of DFI) is not included in the typical.
Why might the Seattle permit fee differ from this typical figure?
The official Seattle, WA fee comes from Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2 (valuation). Listed STFI fee bands are low $648.89, typical $742.97, and high $978.17. Band arithmetic and the full plan review (200% of DFI) alternate are in the calculation note on this page. Verify STFI eligibility with Seattle Department of Construction and Inspections (SDCI).
How is the typical permit fee calculated for Roof replacement in Seattle, WA?
Listed STFI fee bands are low $648.89, typical $742.97, and high $978.17. Full arithmetic is in the calculation note on this page.
What project value is this Roof replacement permit fee based on in Seattle, WA?
The official typical project value is $12,000. Project values used only for the permit formula (not your total cost): low $8,000, typical $12,000, and high $22,000. This permit fee is the Tables D-1 and D-2 STFI valuation path. Listed fees are low $648.89, typical $742.97, and high $978.17. The walk is in the calculation note on this page.

Permit in Seattle

Fee schedule retrieved Aug 13, 2026

Seattle Department of Construction and Inspections (SDCI) lists a typical permit fee of $742.97 for this Roof replacement in Seattle, WA (range $648.89 to $978.17). Source: Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2.

Computed from official Table D-1 DFI × STFI rates (100% building permit + 40% plan review) + 5% technology (SMC 22.900A.100) + $6.50 WA BCC (RCW 19.27.085) using Seattle SDCI 2026 Fee Subtitle Tables D-1 and D-2 (retrieved 2026-08-13). Listed bands: low valuation $8,000 → $648.89; typical $12,000 → $742.97; high $22,000 → $978.17. Confirm STFI eligibility with SDCI; layered roofs or structural work may require full plan review (200% of DFI) – that alternate path is not included in the official typical/low/high.

Fee model

Fee model
Valuation-based
Cited schedule
Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2

Typical $12,000: DFI $501.0 → building permit $501.0 + STFI plan review $200.4 (40% of DFI) + technology $35.07 (5%, SMC 22.900A.100) + WA BCC $6.50 (RCW 19.27.085) = $742.97 (Seattle SDCI 2026 Fee Subtitle Tables D-1 and D-2; STFI path: 100% building permit + 40% plan review of DFI; source retrieved 2026-08-13). Low $8,000 valuation = $648.89 total. That low band reconciles to whole-dollar DFI $437: building permit $437.00 (100% of DFI), plus STFI plan review $174.80 (40% of DFI), plus technology $30.59 (5% of the $611.80 permit and plan-review subtotal), plus WA BCC $6.50, equals $648.89. And high $22,000 valuation = $978.17 total. That high band reconciles to whole-dollar DFI $661: building permit $661.00 (100% of DFI), plus STFI plan review $264.40 (40% of DFI), plus technology $46.27 (5% of the $925.40 permit and plan-review subtotal), plus WA BCC $6.50, equals $978.17. Each listed band is the STFI like-for-like reroof path. The rule is a building permit at 100% of DFI, plus plan review at 40% of DFI, times 1.05 for the technology fee, plus the flat $6.50 WA BCC. Alternate path not used in listed totals: full plan review (200% of DFI) for structural changes or layered roofs when STFI is ineligible; confirm STFI eligibility with SDCI before filing.

Official permit schedule figures. Check the city's calculator before you apply.

Fee schedule

Schedule year
2026
Official schedule
Official fee schedule
Cited source
Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2
Retrieved
Aug 13, 2026
Department
Seattle Department of Construction and Inspections (SDCI)

City permit office figures. Confirm current fees with Seattle Department of Construction and Inspections (SDCI) before you apply.

Portal

Department
Seattle Department of Construction and Inspections (SDCI)
Apply online
Official permit portal

City permit office figures. Confirm current requirements with Seattle Department of Construction and Inspections (SDCI) before you apply.

Line items

Figures come from the city fee schedule. A blank line is not published as a dollar amount.
Line itemFee
Building permit (100% of DFI)$501
Plan review (STFI, 40% of DFI)$200.40
Technology fee (5%)$35.07
WA State Building Code Council fee$6.50
Full plan review (200% of DFI) – STFI ineligible / structural or layeredBlank

Assumed project value

These are the official valuations used when the schedule scales with project value. Not a quote.
BandAssumed project value
Low$8,000
Typical$12,000
High$22,000

Process

Does a typical Roof replacement in Seattle, WA need a permit?
A typical Roof replacement in Seattle, WA is listed as requiring a permit. Confirm STFI eligibility with SDCI; layered roofs or structural work may require full plan review (200% of DFI), that alternate path is not included in the official typical/low/high.
Who issues the permit in Seattle, WA, and where do I apply?
Seattle Department of Construction and Inspections (SDCI) issues permits for Roof replacement in Seattle, WA. Apply at https://cosaccela.seattle.gov/portal/.
What extra fees or surcharges are listed for Roof replacement in Seattle, WA?
The official permit lists these extra line items for Roof replacement in Seattle, WA: Building permit (100% of DFI): $501; Plan review (STFI, 40% of DFI): $200.40; Technology fee (5%): $35.07; WA State Building Code Council fee: $6.50; Full plan review (200% of DFI), STFI ineligible / structural or layered: not published in the fee schedule.

Schedule FAQ

Which official schedule is this Roof replacement fee based on in Seattle, WA?
The official typical for Roof replacement in Seattle, WA cites Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2 (retrieved Aug 13, 2026). Fee model: valuation.
What local fee-schedule notes are on file for Roof replacement in Seattle, WA?
2026 Fee Subtitle (SMC Ch. 22.900) effective Jan 1, 2026. 5% technology fee (22.900A.100).
Why does the Roof replacement permit fee in Seattle, WA show a low-to-high range?
Listed permit fees for Roof replacement in Seattle, WA are $648.89 low, $742.97 typical, and $978.17 high. These are the Tables D-1 and D-2 STFI fee bands. Full arithmetic is in the calculation note on this page.

Citations

  1. How Much Does Roof Replacement Cost? [2026 Data] Retrieved Aug 13, 2026. Average $9,607; range $5,902–$46,000; $4–$11 per sq ft; asphalt $5,800–$20,000.
  2. Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2 Retrieved Aug 13, 2026.
  3. BLS OEWS construction wages – Seattle-Tacoma-Bellevue, WA BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to the labor share only. Not a city-specific bid survey.

Cite this page

Fee schedule retrieved Aug 13, 2026

CostInMyCity. "Roof replacement cost in Seattle, WA." https://costinmycity.com/cost/roof-replacement/seattle-wa/. Fee schedule retrieved Aug 13, 2026. Source: Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2.

Seattle SDCI 2026 Fee Subtitle (SMC 22.900), Tables D-1 and D-2

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