Top-Rated Contractors in Seattle
21 verifiedThese contractors have SiteVetter Safety Scores of 85+ out of 100, indicating strong compliance with licensing, insurance, bonding, and federal requirements.
A SiteVetter Safety Score is a proprietary 0-100 compliance rating that aggregates contractor data from six sources: California Contractors State License Board (CSLB), SAM.gov federal exclusions, OSHA safety inspections, Department of Labor wage records, EPA environmental compliance, and building permit records from major California cities. In Seattle, CA, 21 contractors currently hold Safety Scores of 85 or above, qualifying them as “top-rated” for 2026.
How We Calculate Safety Scores
Our Safety Score aggregates data from 6 sources: CSLB license status, workers' compensation coverage, contractor bonding, federal databases including SAM.gov (debarment), OSHA (safety violations), DOL (wage violations), and building permits. Scores of 85+ indicate contractors with active licenses, proper insurance, and clean federal records.
Top 21 Contractors by Safety Score
Ranked by SiteVetter Safety Score, highest first
Dowbuilt INC
License #948772 · B
Grade A · Excellent
Scarsella Bros INC
License #779354 · A
Grade A · Excellent
Refino INC
License #787509 · B
Grade A · Excellent
Krekow Jennings INC
License #954834 · B
Grade A · Excellent
Costco Wholesale Corporation
License #858087 · B
Grade A · Excellent
Roofcorp OF America INC
License #803718 · C39
Grade A · Excellent
Bnbuilders INC
License #799131 · A
Grade A · Excellent
Engineered Products a Pape' Company
License #910313 · D21
Grade A · Excellent
Veca Electric & Technologies LLC
License #933558 · C10
Grade A · Excellent
Mckinstry Essention LLC
License #992771 · B
Grade A · Excellent
Manson / Connolly JV
License #814282 · A
Grade A · Excellent
O B Williams Company
License #834772 · C-6
Grade A · Excellent
Concrete Restoration INC
License #954553 · D06
Grade A · Excellent
Manson Construction CO
License #220319 · A
Grade A · Excellent
Cochran Electric CO INC
License #265298 · C10
Grade A · Excellent
Rubenstein's Contract Carpet LLC
License #1026712 · C15
Grade A · Excellent
Blue Water Graphic Signs
License #1014803 · D42
Grade A · Excellent
North American Terrazzo INC
License #1034792 · C15
Grade A · Excellent
Acg Builds INC
License #1112543 · B
Grade B · Good
Alfi Construction INC
License #819837 · B
Grade B · Good
Triad Lagoon Valley LLC
License #1076911 · A
Grade B · Good
Finding the Best Contractors in Seattle
When hiring a contractor in Seattle, California, due diligence matters. The contractors listed above have been verified against multiple government databases and achieved Safety Scores of 85 or higher—placing them among the most compliant contractors in the area.
Our Safety Score considers:
- License Status — Active CSLB license with proper classifications
- Workers' Compensation — Current coverage to protect you from liability
- Contractor Bond — Financial protection if work isn't completed
- Federal Compliance — No debarments, wage violations, or safety citations
While a high Safety Score is a strong indicator of a reputable contractor, we always recommend getting multiple quotes, checking references, and verifying the contractor is licensed for your specific type of project.
Safety Scores are calculated based on publicly available government records and are updated weekly. For official verification, check directly with CSLB at cslb.ca.gov.