These 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 Quartz Hill, CA, 50 contractors currently hold Safety Scores of 85 or above, qualifying them as “top-rated” for 2026.
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.
Ranked by SiteVetter Safety Score, highest first
T W S Plumbing INC
License #1009312 · B
Grade A · Excellent
Cornerstone Pure Air Systems
License #827261 · C20
Grade A · Excellent
Affordable Air and Heating
License #840652 · C20
Grade A · Excellent
O'donnell Heating & Air INC
License #910978 · C20
Grade A · Excellent
Sal - Oya Construction Company INC
License #818392 · B
Grade A · Excellent
Patriot Plumbing
License #971491 · C36
Grade A · Excellent
Complete Enterprises INC
License #612224 · B
Grade A · Excellent
Southland Industrial Electric
License #623758 · C10
Grade A · Excellent
Builders Unlimited Constructors
License #794116 · B
Grade A · Excellent
L & M Electric
License #635176 · C10
Grade A · Excellent
Precise Air Mechanical Solutions INC
License #987826 · C20
Grade A · Excellent
Skelton B Construction INC
License #661122 · B
Grade A · Excellent
Johnson Electrical Contracting
License #318496 · B
Grade A · Excellent
Agro-tech Landscape Construction INC
License #608361 · C27
Grade A · Excellent
California Fencing INC
License #898483 · C13
Grade A · Excellent
Valley Water Heaters and Plumbing
License #734742 · C36
Grade A · Excellent
Nelson Concrete
License #739493 · C-8
Grade A · Excellent
Green Works Landscape and Maintenance
License #753072 · C27
Grade A · Excellent
Masonry Masterworks INC
License #980733 · C29
Grade A · Excellent
Trejo Ignacio
License #1058065 · B
Grade A · Excellent
Diamond Custom Cabinetry
License #1019637 · C-6
Grade A · Excellent
Perez Luis
License #1067390 · C-8
Grade A · Excellent
Valley Sanitation
License #1051148 · C42
Grade A · Excellent
Gsa Construction INC
License #1037549 · B
Grade A · Excellent
RD Construction
License #1021427 · B
Grade A · Excellent
Lopez Construction
License #688855 · B
Grade B · Good
Vickers Owen Torval
License #703363 · B
Grade B · Good
Hill's Steve Custom Tile
License #709612 · C54
Grade B · Good
Supreme Construction
License #819659 · B
Grade B · Good
M & N Mechanical
License #911832 · C36
Grade B · Good
Finishing Touches Painting
License #814788 · C33
Grade B · Good
Carlton's Construction Custom Carpentry
License #750319 · B
Grade B · Good
EG Enterprises INC
License #980036 · A
Grade B · Good
Vavrick's Fine Finish Carpentry
License #769705 · C-6
Grade B · Good
J Alvarado Roofing INC
License #1099924 · C39
Grade B · Good
His Company Alarm Systems
License #854225 · C10
Grade B · Good
L R Construction
License #894246 · B
Grade B · Good
Scott Garage Doors
License #801492 · D28
Grade B · Good
Forte Nathan D Construction
License #479827 · B
Grade B · Good
Andrews Custom Construction
License #798815 · B
Grade B · Good
A G Professional Painting
License #815178 · C33
Grade B · Good
S and P Fire Protection
License #1000887 · C16
Grade B · Good
Beebe Craig Masonry
License #846399 · C29
Grade B · Good
Javalera Masonry
License #944902 · C29
Grade B · Good
Reddog Construction
License #946574 · B
Grade B · Good
Trudeau Electric INC
License #1085100 · C10
Grade B · Good
Del Real Testing
License #899854 · D40
Grade B · Good
Figueroa Miguel Fernando
License #1087403 · C10
Grade B · Good
YB Construction INC
License #1115964 · B
Grade B · Good
Kessler K T
License #395762 · C10
Grade B · Good
When hiring a contractor in Quartz Hill, 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:
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.