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 Winchester, 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
Ultra Engineering Contractors INC
License #971768 · A
Grade A · Excellent
Hydrotech Electric
License #977838 · C10
Grade A · Excellent
High Caliber Tile INC
License #975752 · C54
Grade A · Excellent
T L K Builders INC
License #904804 · B
Grade A · Excellent
Air Conditioning Experts
License #1007998 · C20
Grade A · Excellent
RE - Leaf Landscape
License #862059 · C27
Grade A · Excellent
Cook Drywall Corporation
License #415180 · B
Grade A · Excellent
Nata Construction INC
License #943562 · B
Grade A · Excellent
Kosoko Modupe Adedeji
License #966150 · B
Grade A · Excellent
Pipeline Plumbing & Drain Specialists INC
License #1009423 · C36
Grade A · Excellent
Kent Plumbing Company
License #925750 · C36
Grade A · Excellent
Current Power Electric INC
License #993291 · C10
Grade A · Excellent
Myriad Construction Company INC
License #660844 · B
Grade A · Excellent
H & H Fence Construction
License #770479 · A
Grade A · Excellent
Rancho Cortes INC
License #844587 · B
Grade A · Excellent
AM PM Plumbing Group INC
License #958510 · C36
Grade A · Excellent
Air Conditioner Guy
License #890436 · C20
Grade A · Excellent
Jav Electric
License #948178 · C10
Grade A · Excellent
Bi-cen Steel CO
License #326529 · C50
Grade A · Excellent
Adams Solar Electrical and Electric
License #981353 · C10
Grade A · Excellent
Big OR Small Construction
License #963852 · B
Grade A · Excellent
Ital-tile-design INC
License #892853 · C54
Grade A · Excellent
Pagliaro Const INC
License #491373 · B
Grade A · Excellent
Allied Grading and Paving INC
License #624661 · C12
Grade A · Excellent
RP Landscape Construction INC
License #1006009 · C27
Grade A · Excellent
R B Backhoe & Dump Truck Service
License #572821 · A
Grade A · Excellent
Diamond Modular Homes
License #761185 · C47
Grade A · Excellent
French Valley Park Specialist
License #818876 · C27
Grade A · Excellent
Great X-scapes
License #785157 · B
Grade A · Excellent
American Woodmark Corporation
License #526100 · C-6
Grade A · Excellent
Craigworks LLC
License #984780 · C17
Grade A · Excellent
Bill & Dave's Landscape Maintenance INC
License #751707 · C27
Grade A · Excellent
D T Stellar General Engineering
License #999662 · A
Grade A · Excellent
C C & D Electric INC
License #888366 · B
Grade A · Excellent
Fire Wire Systems INC
License #957054 · C10
Grade A · Excellent
Diamond Sheet Metal
License #861080 · C43
Grade A · Excellent
Cons Gilberto Porras
License #866918 · C27
Grade A · Excellent
Patio Guy Alumawood Contractor
License #872839 · B
Grade A · Excellent
Socal Underground INC
License #980476 · A
Grade A · Excellent
D's R Trees INC
License #839991 · D49
Grade A · Excellent
O'connell Engineering & Construction INC
License #883686 · A
Grade A · Excellent
Eagle Landscaping
License #1058123 · C27
Grade A · Excellent
J P Suspended Ceilings
License #1042638 · D50
Grade A · Excellent
Drywall Construction Solutions INC
License #1049426 · C-9
Grade A · Excellent
Commercial Floor Riders LLC
License #1056058 · C15
Grade A · Excellent
F B L Construction
License #1066763 · B
Grade A · Excellent
Boss Renovations and Construction INC
License #1043027 · B
Grade A · Excellent
Hercules Custom Concrete
License #1033508 · C-8
Grade A · Excellent
Tapia Flooring
License #1063198 · C15
Grade A · Excellent
Apache Paving CO
License #1068953 · C12
Grade A · Excellent
When hiring a contractor in Winchester, 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.