Seattle, Tacoma, Spokane, Bellevue & Across Washington State
The 2026-2029 WSDOT Statewide Transportation Improvement Program carries $5.3 billion in federal project spending. Washington’s construction market is active, expensive, and completely unforgiving of imprecise estimates. So, get construction estimating services in Washington State built on current data and delivered before your deadline.
+89%
Bid Win Rate Improvement
Average Client Profit Margin Gain
Estimate Accuracy Rate
Standard Delivery Window
One Estimating Partner For Every Market And Trade Of Washington
Get Cost estimates with RSMeans data calibrated to Washington’s City Cost Index by metro, L&I prevailing wage rates by county, and material pricing benchmarked to current Pacific Northwest supply chain conditions.
We Handle Everything!
Whether you’re bidding Bellevue high-rise mixed-use, Spokane industrial, Vancouver residential, or WSDOT transportation infrastructure — our certified estimators handle every trade, every scope, every market.
Materials don’t price the same in Seattle as they do in Spokane or Bellingham. Our quantity takeoffs aren’t just accurate in count but also matched to current Pacific Northwest pricing. What you see in the spreadsheet is what you’ll see when the sub bids arrive.
A preliminary budget that ignores Washington’s seismic design requirements and their cost impact on structural systems is no more than an aspiration. Our preliminary construction cost estimating services give owners, developers, and architects a realistic foundation before money is committed to design.
WSDOT bid submission deadlines, Seattle city contract dates, Sound Transit procurement timelines, and Port of Seattle capital program schedules; none of them move! Our commercial construction estimating services Washington cover every CSI division with L&I prevailing wage rates applied by county for all public works scopes.
We Estimate Across All Washington Trades
From Puget Sound high-rise concrete to Eastern Washington industrial construction, every division handled by estimators who know the trade.
Washington’s Build Sectors Are Diverse & So Is Our Expertise.
Downtown Seattle led the entire country in active residential units under construction in early 2025, with more than 4,000 apartments underway simultaneously. We supply Residential construction estimating services Washington State that treat all three of these environments the same, producing numbers that are right for none of them.
Dodge Data & Analytics projected $17.4 billion in total new contract value for the Seattle region in 2025. Tacoma’s commercial market is distinct from Seattle’s, and Spokane’s is different still. Commercial construction estimating services in Washington State need to reflect where in the state you’re building.
Microsoft is expanding its data center campus in East Wenatchee with back-to-back 244,000-square-foot buildings. These projects require dense MEP estimating expertise and real current pricing for power infrastructure, cooling systems, and high-specification structural components.
Washington’s industrial construction sector reached a projected $567.5 million in 2025, driven by manufacturing, logistics, aerospace supply chain, and tech-adjacent industrial real estate. Our industrial construction estimating helps the contractors and project managers deal with clashes before they become a problem.
WSDOT’s 2026-2029 STIP carries more than 1,100 projects funded by $5.3 billion in federal money. Sound Transit’s East Link Corridor and Federal Way Extension together exceed $6 billion in transit construction. This is one of the most active civil construction pipelines in the country right now.
Every Washington public works project triggers L&I prevailing wage compliance under RCW 39.12, regardless of contract size. Our team ensures every project is perfectly compliant with all the necessary codes and performs exceptionally in bid approvals and in securing profit margins.
Straightforward Process
01
PDFs, DWGs, Bluebeam BFXN, or a plain scope description for early-stage budgets. We accept every format Washington contractors actually use.
02
A certified estimator whose expertise fits your scope and trade picks up the project. The person handling your Sound Transit civil scope is not the same one handling a Spokane residential development.
03
We run the quantities, apply RSMeans Washington City Cost Index by metro, pull L&I prevailing wage rates by county, and run a triple-layered internal review before the file leaves our hands.
04
Your estimate lands in 10-48 hours. Questions on a specific line item or L&I wage classification? We walk through it. The engagement doesn’t end when the file arrives in your inbox.
Bid-Win Ratio
Washington’s Market Demands Specificity and Our Estimates Deliver It.
Washington’s construction cost environment is layered in a way that few other states match. Seattle and King County sit at a premium cost tier. Pierce and Snohomish Counties track close behind. Eastern Washington operates at a significantly lower cost tier with a different labor composition. Every estimate we produce is localized by Washington market. L&I prevailing wage rates are pulled by county and craft on every public works scope.
WSDOT Doesn’t Wait, and We Know That!
Washington’s public procurement calendar, WSDOT bid submission windows, Sound Transit design-build RFP deadlines, and City of Seattle contract dates all have one thing in common: they’re fixed. When a bid is due tomorrow (WSDOT, Sound Transit, a private developer with a hard RFP date), call us. Rush delivery is a real service!
Standard turnaround for most WA residential, commercial, and institutional scopes.
When the deadline is tomorrow, call us directly. Rush delivery is available.
We Know Every Piece Of Washington’s Compliance Layer
Washington State has one of the most demanding construction regulatory frameworks in the country. The Prevailing Wages on Public Works Act (RCW 39.12) applies universally to public works. Building codes are adopted by the Washington State Building Code Council. Seismic design requirements affect structural cost across virtually every project type.
Every NEDES estimate follows the American Society of Professional Estimators Standard Estimating Practice. We provide estimates that are structured, documented, reproducible, whether it’s going to a Seattle developer’s lender or a public agency evaluating a WSDOT competitive bid.
At NEDES, the RSMeans City Cost Index is applied per metro market. That means Seattle / King County (~1.17), Tacoma / Pierce County (~1.09), Vancouver / Clark County (~1.03), Bellingham / Whatcom County (~0.98), and Spokane County (~0.92) all have their own range of unit price for materials and trade-based cost index. Applying Seattle’s index to a Spokane industrial bid produces an estimate that’s wrong for both markets.
L&I sets journey-level rates by craft and county. The rate in effect on the bid due date governs the project’s duration. Washington also requires at least 15% of labor hours on covered contracts above the project cost threshold to be performed by registered apprentices (RCW 39.04.320). We integrate the correct county-and-craft L&I rate into every applicable estimate and flag the apprentice utilization requirement for scopes where it applies.
On projects receiving federal funding (WSDOT IIJA transportation projects, federal transit funding through Sound Transit, JBLM military construction, HUD-funded housing, and other federally assisted work), the Davis-Bacon Act applies in addition to Washington State prevailing wage. We pull the correct federal wage determination from SAM.gov alongside the applicable L&I county rate.
Washington adopts the International Building Code with state amendments, administered by the Washington State Building Code Council. Seismic Design Category D and above in King, Pierce, and Snohomish Counties adds cost to structural systems, foundation design, and MEP anchorage that estimates based on national averages routinely undercount.
Firms Don’t Know Washington’s Cost Structure As We Do
Washington’s construction market is not one thing. Seattle is one of the most expensive places to build in the United States. Its commercial pipeline in 2026 is concentrated in life sciences, data centers, and adaptive reuse. Its regulatory framework adds compliance layers (seismic structural requirements, L&I prevailing wage on every public works dollar, city-specific design review) that extend both timelines and costs in ways that catch contractors off guard.
Eastern Washington prices at a completely different tier. Using Puget Sound labor inputs on a Spokane County public school bid doesn’t produce a conservative estimate; it produces a losing bid. Construction estimating companies that treat Washington State as a single cost environment are producing estimates that are wrong across most of the state’s geography.
NEDES applies L&I prevailing wage rates by county and craft, RSMeans City Cost Index by metro, and material pricing that reflects what Pacific Northwest suppliers are actually charging in the current quarter. Triple-check QA. Free revisions. 10-48 hour delivery.
Software For Washington
Compatible with every GC and sub workflow active in Seattle, Tacoma, Spokane, and the broader Washington market.
PlanSwift handles residential, commercial, and standard institutional plan sets at the pace Washington bid cycles actually run.
OST extracts every quantity (every conduit run, every structural member, every cubic yard of excavation) without losing count across a dense package.
For Washington contractors working within BIM-enabled project environments, we can work directly within cloud-based project document environments.
Testimonials About Our Estimates
We guarantee the use of .
We do commercial and multifamily work in King County. Keeping up with the February and August L&I rate updates while running multiple bids simultaneously was becoming a real problem. NEDES handled the compliance and the estimating in an exceptional way.
Eastern Washington is its own market, and most estimating services don’t treat it that way. They price Spokane County work using Seattle benchmarks, and the bids come back completely uncompetitive. NEDES used the right L&I rates for Spokane County and the right cost index for the Eastern Washington market.
We handle WSDOT transportation work, including civil, infrastructure and some bridge work. Prevailing wage compliance is mandatory, and the bid windows are tight. NEDES turned around a complete bid estimate covering earthwork, drainage, structural, and paving in under 36 hours.
We do residential and light commercial in Clark County, Vancouver metro and Portland orbit. The subcontractor market here is nothing like Seattle, and the cost index reflects that. NEDES got that right without us having to explain it.
Seattle, Wa & Spokane, Wa – Current Market Pricing
| Category | Unit | Seattle / King Co. | Spokane / Eastern WA |
| Concrete (Ready-Mix) | CY | $315 – $385 | $255 – $305 |
| Carpenter (L&I Prevailing) | HR | $91 – $118 | $68 – $88 |
| Electrician (L&I Prevailing) | HR | $108 – $142 | $78 – $102 |
| Structural Steel | TON | $3,600 – $4,500 | $2,900 – $3,700 |
| Drywall (Labor + Material) | SF | $3.40 – $5.10 | $2.60 – $4.00 |
| Roofing — TPO Membrane | SF | $6.80 – $9.50 | $5.20 – $7.40 |
| Sitework / Mass Excavation | CY | $24 – $38 | $17 – $28 |
| MEP Systems (Combined) | SF | $42 – $67 | $31 – $50 |
Washington State covers 39 counties and spans a mountain range, a rain shadow, a river corridor, and a coastline. The construction cost difference between Seattle and Spokane is not a footnote.
The Puget Sound region (King, Pierce, Snohomish, and Kitsap Counties) is where Washington’s construction volume concentrates. Southwest Washington tracks Portland metro dynamics and prices at an index closer to 1.03 than Seattle’s 1.17. Eastern Washington operates at a construction cost tier significantly below Puget Sound. Our estimates are based on insights gathered from all of these regions.
What construction estimating services does NEDES provide in Washington State?
Full-spectrum coverage includes material takeoffs, quantity takeoffs, preliminary budget estimates, detailed bid estimates, bid consultancy, and ongoing estimating support. All 50 CSI divisions covered across residential, commercial, data center/mission critical, industrial, transportation infrastructure, and institutional public works.
How does Washington’s L&I prevailing wage work, and how do you incorporate it?
Washington’s Prevailing Wages on Public Works Act (RCW 39.12) requires prevailing wage compliance on every public works project funded by state or local government. L&I sets journey-level rates by craft and county, published on the first business day of February and August, taking effect 30 days after publication.
Do federal Davis-Bacon requirements apply in addition to state prevailing wage?
Yes, on federally funded projects. Washington’s RCW 39.12 applies to all state and locally funded public works. The federal Davis-Bacon Act applies to any project receiving federal funding. On those projects, both state L&I rates and federal Davis-Bacon rates apply, with the higher rate prevailing for each classification.
How do you handle the cost difference between Seattle and Eastern Washington?
Every estimate is anchored to the market it’s being built in. Seattle and King County estimates use the ~1.17 RSMeans City Cost Index and current King County L&I rates. Spokane County estimates use the ~0.92 index and Spokane County L&I rates. Clark County gets its own index reflecting the Southwest Washington subcontractor market.
What makes NEDES different from other construction estimating companies in Washington State?
Washington’s construction market is one of the most cost-complex in the country. Construction estimating companies applying national averages produce numbers that don’t reflect true accuracy. NEDES applies RSMeans Washington City Cost Index by metro, L&I prevailing wage by county and craft, Davis-Bacon where federally applicable, and Pacific Northwest-current material pricing, with triple-check QA, free revisions, and 10- 48-hour delivery.
NEDES estimating ensures every corner of Washington is covered by the team. We provide in-depth, deliverable-focused and code-compliant estimates across the Washington counties for contractors, developers, architects, and sub-contractors. Here are some of the top regions served by the team:
We Estimate Every Corner Of Washington
Searching for construction estimating services near me in Seattle? You get King County L&I prevailing wage rates, current Puget Sound material pricing under active escalation pressure, and estimators who understand that downtown Seattle’s density, seismic requirements, and permitting timeline have real cost implications that don’t appear in a national database.
Need a construction estimating company in Tacoma for a public works bid with Pierce County prevailing wage requirements? Consider it done! Bidding on commercial or industrial work in Spokane, Yakima, Tri-Cities, or Bellingham? Eastern and North Washington markets get their own index and their own L&I rates. Clark County contractors in the Vancouver metro get estimates calibrated to the Southwest Washington subcontractor market, which tracks Portland more than it tracks Seattle.
Whatever corner of Washington State you’re building in, the right estimate comes from a construction estimating company that knows what it actually costs there, right now, in the current quarter, with current L&I rates applied correctly. That’s what NEDES delivers.
Nedes Estimating is one of the most prestigious estimation companies that have been working in the market over the years. Our main goal is to make the clients happy with our services!
