Cost guide · Seattle & King County
Seattle MasterFix project ranges for Seattle and King County, WA, shown next to cited public market benchmarks. Every job is priced as one written project estimate for the agreed scope after a free on-site visit.
MasterFix ranges
Typical Seattle MasterFix project ranges, final price after free on-site estimate
Typical Seattle MasterFix project ranges, final price after free on-site estimate
| Band | MasterFix | Notes |
|---|---|---|
| Starting at | $4,700/project | Entry scopes |
| Typical | $7,500/project | Most common mid scopes |
| High planning | $15,000/project | Complex or premium scopes |
Prescriptive plan-set homes often near typical; finished basements need the high band.
Public 2025–26 estimates from cited sources — shown for comparison, not as a MasterFix quote. Sources are linked below. Washington sales tax may apply on a signed contract.
| Band | Market | What it represents |
|---|---|---|
| Low | $5,000/project | Bolting-only / simple crawlspace (specialty firm ranges) |
| Typical | $10,000/project | Typical bolting + cripple-wall bracing |
| High | $20,000/project | Engineered / finished-basement access |
Seattle specialty guides often $7,000–$12,000 typical. Sound Seismic about $5,000–$12,000 typical; finished basements higher. ECD engineered bracing often $8,000–$20,000.
How we work
Yes — full general contracting for seismic retrofit projects in Seattle & King County.
Seattle MasterFix Precision Craftsmanship (Seattle MasterFix Precision Craftsmanship) is a Washington-registered contractor #SEATTMP744NL, based at 5415 6th Ave NW, Seattle, WA 98107. Service area: Seattle and King County, WA. Related pages: /services/.
FAQ
Typical Seattle MasterFix project ranges, final price after free on-site estimate: starting about $4,700, typical about $7,500, high planning band about $15,000. Public Seattle market midpoint used for comparison is about $10,000. Prescriptive plan-set homes often near typical; finished basements need the high band. Final price is after a free on-site estimate.
Specialty Seattle-area firms commonly quote about $5,000–$12,000 for a typical crawlspace/unfinished-basement bolting and bracing job, and $15,000–$35,000 when finished walls must be opened. Get an on-site assessment.
Seattle offers an Earthquake Home Retrofit Permit and prescriptive plan sets via SDCI. Outside Seattle, check your city or MyBuildingPermit.com. Retrofits are generally voluntary for single-family homes but still need a building permit when performed.
Yes. Seattle MasterFix provides full general contracting for seismic retrofit projects in Seattle & King County (foundation bolting, cripple-wall bracing, and related permitted work), following SDCI or local-jurisdiction permit requirements.
Photos
Placeholder slots for project photos. No images are claimed here until real job photos are added.
Sources
Open sources used for the ranges on this page. Always verify current figures before you budget.
Estimates are non-binding until a written contract is signed. Compare two or three written bids on the same scope, and verify any contractor on WA L&I before you sign.
Call (206) 550-4576 or send an estimate request. We will walk the scope and write a project quote — never an hourly guess.
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