How Much Does Concrete Patio Installation Cost in Seattle?
That is the modeled cost to deliver plus a fair contractor margin for outdoor living & hardscapes in Seattle, not a sales quote. Built from BLS wage data, Craftsman bills of materials, and verified permit fees. 2026-08-19
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The margin is the gap between break even and a typical quote, not a markup we invent. Fair margin moves with trade and market. Most land at a 15 to 22 percent margin on the bid, roughly 18 to 28 percent over the cost to deliver, and free labor does not exist. Full methodology.
Is your outdoor living & hardscapes bid fair?
Calculate your Seattle true cost.
Show the math: how Seattle Concrete Patio Installation numbers are derived Click to expand
What you pay for in Seattle.
Every outdoor living & hardscapes dollar in Seattle, split into labor, materials, permit, overhead, and the contractor margin. The first four are the cost to deliver. Margin is the earned part on top.
See cost by project size
What concrete patio installation costs at your size.
Scales with project area at this metro's rate. The calculator lets you dial in your exact size.
| Size | Typical | Range |
|---|---|---|
| 250 sq ft | $4,957 | $4,401 to $5,556 |
| 300 sq ft | $5,631 | $4,998 to $6,311 |
| 400 sq ft | $6,977 | $6,194 to $7,821 |
| 500 sq ft | $8,324 | $7,390 to $9,330 |
| 600 sq ft | $9,671 | $8,585 to $10,840 |
Scaled from TheFatBook's per-size cost model, the same one behind the calculator.
Seattle runs 22 percent above the national average for concrete patio installation. The city average sits at $6,977 while the lowest realistic price comes in at $6,194. I built TheFatBook Cost Index (built from BLS wage and Craftsman labor data) that separates what the job actually costs to deliver from what contractors charge. This page shows you the spread so you stop overpaying.
Local Market
Seattle concrete patio installation costs more because the median home value hits $938,600 against a median household income of $116,068 (TheFatBook cost index, 2026). That 7.6 times price to income ratio squeezes even upper middle earners yet keeps demand steady for backyard upgrades. The cooling tech sector shows 5.4 percent unemployment. This rate sits elevated for a tech hub and signals reduced hiring velocity that may ease contractor demand. Our data pulls 41.3 craftsman hours at a loaded wage of $58.39 per hour from BLS OEWS wage input. Materials add $1,906 from FRED PPI inputs. The result is a cost to deliver of $5,592 before margin. That average of $6,977 therefore carries 19.9 percent contractor margin. Compare it to the national floor of $5,138. Seattle sits noticeably higher. And the rainy season from October through May shrinks the workable window for pouring concrete. Homeowners who wait until June often pay a premium for compressed schedules.
Six percent population growth and homes pushing past nine hundred thousand dollars means Seattle homeowners protect their investment with solid patios. That average of about seven thousand dollars looks like a steady market price not a boom premium. Labor supply seems decent with the tech slowdown. I pulled forty one hours out of the data and it tracks with what I remember on flatwork. In Jefferson City we poured the same size for about five thousand all in. Different world.
Understanding Your Bid
Not every bid for concrete patio installation adds up. A quote above $7,000 in Seattle usually means the contractor padded the number (TheFatBook cost index, 2026). TheFatBook Cost Index (built from BLS wage and Craftsman labor data) puts the average at $6,977 and the lowest realistic price at $6,194. The gap between them is $783 in potential savings. The cost to deliver sits at $5,592. That leaves 19.9 percent contractor margin on the average bid. Some of that margin covers real overhead and insurance. Some of it's just extra. I see bids hit the high end of $7,821 when the crew expects overtime or the finish spec jumps to stamped concrete. Run the numbers yourself. The Bid Fairness Checker on this page lets you upload an estimate and see exactly where it lands against the verified floor. Most bids I review sit 15 to 25 percent above the lowest defensible price. That spread is rarely explained in the proposal.
Cost Breakdown
Break down a typical 400 square foot concrete patio in Seattle and the math gets clear. Labor eats 41.3 craftsman hours at the local loaded wage of $58.39 per hour (Craftsman, 2026). That equals $2,412 once you add the 40.06 percent burden for taxes and insurance to the $41.69 base BLS wage. Materials run $1,906 after FRED PPI adjustment. No standalone permit applies here although local taxes or trade fees may still hit at issuance. Overhead allocation adds $1,274 per NAHB benchmarks. Those pieces total a cost to deliver of $5,592. The city average of $6,977 therefore includes 19.9 percent contractor margin. Compare that to a stamped concrete patio which jumps to $8,891 because the extra 61.6 hours and specialty materials add up fast. Or look at paver patios at $7,679. The plain pour remains the lowest realistic route. Every number here comes straight from TheFatBook Cost Index (built from BLS wage and Craftsman labor data) built on Craftsman hours, BLS wages and tracked material prices.
Forty one hours for a four hundred foot patio sounds about right if they include forming and finishing in the rain. The labor cost near twenty four hundred dollars at fifty eight an hour loaded leaves little fat. Materials at nineteen hundred track with supply house prices. If this were my money I'd skip the fancy sealer and stick with the basic broom finish. That keeps it near the about six thousand floor without regret.
How to Negotiate
Shop for concrete patio installation in Seattle between late May and early September. The extended rainy season otherwise pushes crews into a narrow window and inflates prices. With the tech sector cooling and unemployment at 5.4 percent some contractors now carry lighter backlogs. That creates room to negotiate. Know the cost to deliver number of $5,592 before you sit down. The lowest realistic price sits at $6,194. Anything under that deserves scrutiny for corner cutting. Run your bid through the True Cost Calculator on this page first. It shows you the fair range instantly. Then ask the contractor to break out labor hours and material suppliers. Honest ones do it without hesitation. Push back on anything above $7,000 unless the scope includes extras like footings or steps. Timing matters here. Book the work right after the spring rains end and you'll likely save more than if you call in August during wildfire smoke season.
Red flag for me is a bid over about eight thousand with no breakdown on forming or reinforcement. A fair contractor in that market timing after the rains will show you the exact hours and concrete supplier. He won't hide the numbers. What happens if you ask him to match the lowest realistic price and explain how he still covers his insurance.
What Makes This Market Different
Seattle stands apart because its sky high home values meet a cooling tech economy in ways that twist outdoor living bids. Median home prices at $938,600 against $116,068 household income create pressure that should suppress discretionary projects yet the desire for usable backyard space remains fierce. Concrete patio installation therefore carries a built in premium that other cities don't see. The statewide energy code updates don't directly touch patios but they train every local contractor to expect higher baseline costs on every outdoor job. Keep that in mind. I found the $0 permit fee surprising until I realized the city folds those costs into general trade fees and taxes. That hides the true number until the invoice arrives. Labor at $58.39 loaded per hour reflects the regional wage reality yet the 41.3 craftsman hours feel heavy compared to drier climates where crews pour faster. The result is an average $6,977 that feels both inevitable and annoying. Good contractors still deliver clean work at the $6,194 floor. But here's the thing, the rest simply tax the views and the rain.
Frequently Asked Questions
How much does concrete patio installation cost in Seattle?
What's a fair price for a 400 sq ft concrete patio in Seattle?
Is my outdoor living & hardscapes bid fair?
How do Seattle rain and wildfire smoke affect concrete patio installation costs?
TheFatBook models outdoor living & hardscapes from Craftsman labor hours, BLS regional wages, burden, PPI-adjusted materials, permit data where available, and contractor overhead benchmarks. Cost index version: 2026-08-19. Updated Aug 2026.
Sources & methodology for these numbers
- Independent FatBook v3 cost index for Outdoor Living & Hardscapes in Seattle.
- BLS OEWS wage inputs (https://www.bls.gov/oes/) and FRED PPI material inflation (https://fred.stlouisfed.org/) references.
- Craftsman labor-hour references and contractor overhead benchmarks.
- Verified permit/source data from PermitCalculator.com and permits_compiled where available.
What the outdoor living & hardscapes in seattle benchmark includes.
- Concrete Patio Installation as the headline cost-index scope
- labor-hour assumptions, regional wage inputs, materials, overhead, and permit data where available
- low, average, high, lowest realistic price, margin, and savings benchmarks from the FatBook cost index
- hidden damage, change orders, emergency service premiums, or unusual site access conditions
- contractor financing approval, warranties, provider recommendations, or guaranteed final quotes
- permit rulings for a specific address unless the city permit panel lists verified local data
Embed this chart on your site (free, with attribution)
| Service | Low | Average | High |
|---|---|---|---|
| Concrete Patio Installation · 400 sqft | $6,194 | $6,977 | $7,821 |
| Concrete Driveway Installation · 400 sqft | $5,360 | $6,038 | $6,768 |
| Concrete Sidewalk Installation · 400 sqft | $5,559 | $6,262 | $7,019 |
| Stamped Concrete Patio · 400 sqft | $7,904 | $8,904 | $9,980 |
| Concrete Slab (Garage/Addition) · 400 sqft | $6,268 | $6,948 | $7,680 |
| Concrete Driveway Replacement · 400 sqft | $6,914 | $7,788 | $8,730 |
| Concrete Slab Demolition | $1,566 | $1,747 | $2,045 |
| Retaining Wall Installation · 120 sqft | $5,605 | $6,314 | $7,077 |
| Paver Patio Installation · 300 sqft | $6,830 | $7,694 | $8,624 |
| Paver Driveway Installation · 600 sqft | $13,642 | $15,367 | $17,224 |
| Asphalt Driveway Installation · 600 sqft | $5,776 | $6,507 | $7,293 |
| Deck Demolition | $2,497 | $2,733 | $2,987 |
| Deck Construction Pressure Treated · 240 sqft | $8,439 | $9,383 | $10,400 |
| Deck Construction Cedar · 240 sqft | $12,351 | $13,772 | $15,301 |
| Deck Construction Composite · 240 sqft | $12,936 | $14,427 | $16,033 |
| Deck Railing Installation · 40 linear ft | $2,489 | $2,709 | $2,946 |
| Pergola Installation · 100 sqft | $6,183 | $6,853 | $7,574 |
| Patio Cover Installation | $6,719 | $7,454 | $8,245 |
| Deck Repair | $1,943 | $2,189 | $2,490 |
| Wood Privacy Fence Installation · 150 linear ft | $5,387 | $6,068 | $6,801 |
| Vinyl Fence Installation · 150 linear ft | $8,125 | $9,152 | $10,258 |
| Gazebo Installation | $8,221 | $9,139 | $10,127 |
| Shed Installation | $4,994 | $5,626 | $6,306 |
| Fire Pit Installation | $2,912 | $3,184 | $3,476 |
| Outdoor Kitchen Installation | $8,357 | $9,291 | $10,297 |
Before you get bids in Seattle.
Seattle permits.
$12k building fee: $1,059
$25k building fee: $1,495
Electrical base: $371
Plumbing base: $165
HVAC base: $70
Source-backed permit facts from PermitCalculator.com and the underlying permits_compiled dataset. Always confirm final requirements with the local building department before filing.