Top-Rated Contractors in S San Francisco
9 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 S San Francisco, CA, 9 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 9 Contractors by Safety Score
Ranked by SiteVetter Safety Score, highest first
For Your Gardens' Needs
License #859766 · C27
Grade A · Excellent
Southwest Construction & Property Management
License #751467 · A
Grade A · Excellent
Bayline Mechanical INC
License #342012 · C36
Grade A · Excellent
Q & QQ Construction INC
License #1062095 · B
Grade A · Excellent
Olra Engineering
License #1003787 · A
Grade B · Good
Delsur Group
License #874347 · C-9
Grade B · Good
O'sullivan Construction
License #589596 · B
Grade B · Good
Ondricek Paul
License #439486 · C15
Grade B · Good
Elite Construction Company
License #668246 · B
Grade B · Good
Finding the Best Contractors in S San Francisco
When hiring a contractor in S San Francisco, 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.