Siding Installation cost in Seattle, WA
Seattle, WA · updated August 2026
$22,300
Typical local cost
$10,800 – $51,300
Typical range
- per sq ft of wall area
- $8 – $24.50
- Permit
- Usually yes
- Typical timeline
- 5-12 days of work
Installed, local pricing
$160 – $675 in fees
5-12 days of work, 3-7 weeks including permitting
Seattle runs +35% against the U.S. average · data confidence Medium · modeled estimate, not a quote
Most Seattle homeowners pay around $22,300. The local adjustment for this trade is x1.351 — driven mainly by King County labor rates and 60% exposure to local code requirements.
Estimate your Seattle job
Priced with this market's cost index, so the calculator, the size table and the ranges on this page all agree.
Square footage
180 sq ft
- With waste allowance
- 198 sq ft
- Square yards
- 20
- Perimeter (per area)
- 54 ft
- Square meters
- 16.72
Estimates only. Local pricing, site conditions and code requirements change the real number.
Cost by project size
Generated from the same unit pricing the calculator uses.
| Project size | Estimated range |
|---|---|
| 800 sq ft of wall area | $6,400 – $19,600 |
| 1,100 sq ft of wall area | $8,800 – $27,000 |
| 1,400 sq ft of wall area | $11,200 – $34,300 |
| 1,800 sq ft of wall area | $14,400 – $44,100 |
| 2,300 sq ft of wall area | $18,400 – $56,400 |
Based on Seattle pricing of $8–$25 per sq ft of wall area.
Where the money goes
- Labor
- $12,300
- 54% of median
- Materials
- $10,000
- 44% of median
- Permit & fees
- $420
- 2% of median
Seattle project costs+35% vs U.S. average
Based on King County labor rates, local material logistics and permit-fee posture for this trade.
What the project looks like start to finish
Typical sequence for this scope. Timing varies with contractor backlog and plan-review queues.
01
Planning & quotes
Scope, material choice, contractor selection
02
Permit application
Filed with City of Seattle building department
03
Materials & staging
Order lead time on non-stock materials
04
Installation
5-12 days of work, 3-7 weeks including permitting
05
Inspection
Weather barrier / sheathing, Final inspection
06
Closeout
Final sign-off, warranty and documentation
Seattle labor intelligence
What the trade charges here, and how much of your price it is.
Loaded hourly rate
$80–$104
Exterior crews in King County · +34% vs U.S. ($68/hr)
Typical crew
3 × 5.5 days
On-site time for a typical siding job here.
Labor in the price
$12,300
55% of the median — the rest is material, disposal and permit.
Because labor is 55% of this job, Seattle wage levels move the price far more than material prices do. A quote well under this labor figure usually means a smaller crew, a longer schedule, or unlicensed help.
Basis: Hometriva labor model: national exterior crew rates adjusted by the King County labor factor (x1.338). · BLS Occupational Employment and Wage Statistics, Hometriva methodology
Why Seattle differs from the national average
The local delta, broken into dollars by driver.
Trade labor rates+$3,075
King County crews price 34% above the national average, and labor is 55% of this job.
Code and inspection load+$1,275
Siding Installation carries 60% exposure to local code requirements, and this jurisdiction's review load indexes at x1.13.
Material and delivery+$1,125
Materials are nationally traded, so they move less — but delivery into this market runs 15% over baseline.
Permit fees+$100
Fees are paid to the jurisdiction, not the contractor, and are budgeted separately from the contract price.
Basis: Decomposition of the modeled Seattle median against the U.S. median for this scope. · City of Seattle building department, Hometriva methodology
Seattle vs Washington vs the U.S.
Change the inputs, see your number
The same local model, run against your job instead of the average one.
Simulated siding installation in Seattle
$22,720
Likely range $11,220 – $51,720
Simulated from the same local model as the numbers above — it changes the inputs, not the pricing method.
What makes the number move
- Wall square footage and number of stories
- Material: vinyl, fiber cement or engineered wood
- Removal and disposal of the old cladding
- Rot repair discovered after tear-off
- Trim, soffit and corner detailing
Who issues each permit
Tracked per discipline — the building permit issuer is not always the body that reviews electrical, plumbing, zoning or fire.
| Discipline | Issuing authority |
|---|---|
| building | City of Seattle building departmentModeled estimate |
| electrical | City of Seattle building departmentModeled estimate |
| mechanical | City of Seattle building departmentModeled estimate |
| plumbing | City of Seattle building departmentModeled estimate |
| zoning | City of Seattle building departmentModeled estimate |
| fire | City of Seattle building departmentModeled estimate |
Permit requirement in Seattle
In most cases yes — King County and the City of Seattle generally require a permit for siding installation. Height, size and location on the lot determine the exact review, so confirm with the building department before you start.
- Permitting authority
- City of Seattle building departmentModeled estimate
- Permit fee
- Estimated allowance $160–$675Modeled from comparable fee schedules — not an official quoted fee.
Inspections
- Weather barrier / sheathing
- Final inspection
Local conditions that change this job
Only the exposures that materially affect siding installation.
Design wind speed exposure
Moderate46/100
Named-storm exposure
Low34/100
Coastal / salt-air exposure
Low26/100
Humidity
High70/100
SDCI review timelines, seismic detailing and energy-code requirements add meaningful cost and schedule to structural and envelope work.
Owner-occupied homes
46%
Owner-occupied share of the housing stock, which drives how much of this work is homeowner-funded versus landlord-funded.
Households in market
302,031
Approximate household count in Seattle, used to size the contractor pool for this trade.
Permit activity index
x1.35
Relative permit volume and fee load versus the national baseline.
Nearby market comparison
What Seattle homeowners actually paid
Real reported invoices from this market, aggregated. Add yours — it takes 20 seconds and no personal details.
Quotes homeowners were given in Seattle
Quotes run ahead of final invoices. Reporting yours shows the local spread and where there is room to negotiate.
How Hometriva estimates Seattle siding costs
Hometriva does not publish invented city prices. The Seattle estimate for siding installation is produced by this chain, and every input is stored separately:
- National baseline$16,500
Typical U.S. cost for siding installation on a single-family home.
- Local labor factorx1.338
Seattle-area trade labor rates, weighted at 55% of this job.
- Material factorx1.153
Material and delivery pricing into King County, weighted at 45%.
- Regulatory factorx1.128
Local code, product-approval and inspection load, applied at 60% for this project type.
- Applied multiplierx1.351
Blended Seattle adjustment specific to siding installation.
- Permit component$160 – $675
Budgeted separately from the contract price because it is paid to the jurisdiction.
Because labor, material and regulatory factors are weighted per project, siding installation in Seattle carries a different local adjustment than other trades in the same market.
Reviewed by
Hometriva Cost Data Desk
Maintains the unit-cost baselines, local adjustment factors and material pricing. Reviewed for siding installation pricing in Seattle, WA.
- • National unit-cost baselines against current trade pricing
- • Local labor and materials factors for the market
- • Material installed-cost ranges and service life
Last reviewed August 2026 · Editorial standards · Report an error
Frequently asked questions
Is fiber cement siding good for Florida?
Fiber cement handles humidity and wind-driven rain better than most wood products and resists termites, but it needs correctly detailed flashing and periodic repainting to stay watertight.
Sources
Sources & verification
- City of Seattle building department
- Seattle permit portal
- Washington State Building Code Council
- BLS Occupational Employment and Wage Statistics
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.