ZIP Code 98402 Construction Cost Estimating & Crew Wage Index (Tacoma, WA)
Bid-ready CSI MasterFormat Divisions 01–48 material takeoffs and labor cost estimates calibrated directly to postal code 98402 in Tacoma, Pierce County, Washington. Delivered in unlocked Excel + color PDF takeoff layers within 24–48 hours, flat fee from $80.
ZIP 98402 Calibration Card
- Jurisdiction
- Pierce County
- ZIP Labor Index
- 124
- Material Freight Index
- 105.8
- Composite Multiplier
- 1.16x (115.8)
- Coordinates
- 47.2545, -122.4405
ZIP 98402 (Tacoma, WA) Burdened Trade Labor & CSI Assembly Rates
Calibrated for Strong Union / Prevailing Wage bidding in Pierce County (124 labor factor).
| CSI Division | Trade & Benchmark Assembly | ZIP 98402 Crew Rate | ZIP Installed Unit Cost | Flat Takeoff Fee |
|---|---|---|---|---|
| Div 26 | Commercial Electrical Distribution & LED Package | $97.34/hr | $22.70/SF | From $85 |
| Div 23 | Packaged VAV RTU + SMACNA Galvanized Ductwork | $92.75/hr | $25.94/SF | From $85 |
| Div 22 | Cast-Iron DWV + Type L Copper Domestic Plumbing | $94.49/hr | $11.35/SF | From $85 |
| Div 03 | 4,000 PSI Footings & Slab-on-Grade w/ Grade 60 Rebar | $80.48/hr | $275.60/CY | From $80 |
| Div 05 | A992 Wide-Flange Structural Steel + Metal Decking | $98.46/hr | $4922/TON | From $90 |
| Div 09 | Metal Stud Framing, Type X Gypsum & ACT Ceilings | $82.46/hr | $11.87/SF | From $80 |
| Div 31 | 3D GPS Mass Grading, Trenching & Select Structural Fill | $89.40/hr | $39.95/CY | From $95 |
WA Building & NEC Code Notes
Washington State Building Code + Washington State Energy Code (WSEC — strictest commercial heat-pump space/water heating rules in the US) + Seattle Director's Rules.
Site & Environmental Scope Factors
Puget Sound Seismic Category D deep soldier-pile shoring, building-envelope rainscreen air-barrier testing, and Central WA clean-hydro data centers.
Prevailing Wage Rules in ZIP 98402
Washington L&I Prevailing Wage (RCW 39.12) applies strictly to ALL public works and public building service maintenance.