Top-Rated Contractors in Hillsborough
20 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 Hillsborough, CA, 20 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 20 Contractors by Safety Score
Ranked by SiteVetter Safety Score, highest first
Camp Curry Construction
License #397946 · B
Grade A · Excellent
Natural Systems Utilities-ca INC
License #751807 · A
Grade A · Excellent
BG Design Build PC
License #982312 · B
Grade A · Excellent
Sissco
License #978345 · D21
Grade A · Excellent
Pacific Heights Construction INC
License #1025404 · B
Grade A · Excellent
Beale Construction
License #565705 · B
Grade B · Good
Art's Plumbing
License #418141 · C36
Grade B · Good
Liddell Electric Company
License #280299 · C10
Grade B · Good
Bloc Real Estate and Construction
License #903007 · B
Grade B · Good
Layne Builders INC
License #805451 · B
Grade B · Good
C W K Electrical INC
License #584641 · C10
Grade B · Good
A K a Construction CO
License #713423 · B
Grade B · Good
Costaglio Frank Painting
License #523126 · B
Grade B · Good
Clix Systems
License #983258 · B
Grade B · Good
New Grove Construction INC
License #981110 · B
Grade B · Good
Cheung Warren Construction
License #294646 · B
Grade B · Good
Wiseman Lewis
License #635738 · B
Grade B · Good
Whiley Builders
License #794498 · B
Grade B · Good
Ballyfin Consulting
License #993219 · A
Grade B · Good
A P Consulting Engineers INC
License #961752 · B
Grade B · Good
Finding the Best Contractors in Hillsborough
When hiring a contractor in Hillsborough, 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.