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 Glendora, 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
Jordanair INC
License #560429 · B
Grade A · Excellent
Optimum Heating and Air Conditioning
License #856737 · C20
Grade A · Excellent
Comfort Zone INC
License #760955 · C20
Grade A · Excellent
J - K Insulation Company INC
License #531108 · C-2
Grade A · Excellent
G C D INC
License #600748 · A
Grade A · Excellent
Bts Maint
License #772080 · D49
Grade A · Excellent
Gibson Construction
License #638123 · B
Grade A · Excellent
Building Electronic Controls INC
License #729905 · C-7
Grade A · Excellent
Granvista Construction Corporation
License #815228 · B
Grade A · Excellent
Construction Team the
License #552767 · B
Grade A · Excellent
Dowd Industries Corporation
License #380611 · C39
Grade A · Excellent
RE Air INC
License #595054 · C20
Grade A · Excellent
H 2 O Fire Protection INC
License #897997 · C16
Grade A · Excellent
Excel Electrical Contractors INC
License #781117 · B
Grade A · Excellent
Greene Marc B Construction
License #620350 · B
Grade A · Excellent
Young S D Roofing
License #691337 · C39
Grade A · Excellent
Rain Dance Roofing
License #683813 · C39
Grade A · Excellent
Cal-west Mechanical LLC
License #858850 · C20
Grade A · Excellent
Platinum Waterscapes
License #1004416 · C53
Grade A · Excellent
Gorilla Construction INC
License #921092 · B
Grade A · Excellent
Glendora Plumbing & Heating INC
License #388123 · C20
Grade A · Excellent
Westmont Design and Construction
License #836202 · B
Grade A · Excellent
Del Sol Landscape CO
License #634666 · C27
Grade A · Excellent
Pro Electric Services INC
License #1005721 · C10
Grade A · Excellent
Picture Perfect Maintenance INC
License #1009019 · C27
Grade A · Excellent
Simply Efficient Heating & Air Conditioning INC
License #1015128 · C20
Grade A · Excellent
Herron Brothers Painting
License #940322 · C33
Grade A · Excellent
K C's Electric
License #512108 · C10
Grade A · Excellent
Rolhard INC
License #1010933 · A
Grade A · Excellent
Earl Higgins INC
License #619645 · C12
Grade A · Excellent
B R Building Resources Company
License #949919 · B
Grade A · Excellent
Aqua Construction INC
License #992227 · C53
Grade A · Excellent
Edra Construction Corporation
License #1005021 · B
Grade A · Excellent
Carpet Touch
License #476460 · C15
Grade A · Excellent
Dougherty Bruce F
License #454435 · B
Grade A · Excellent
R D Smith Heating and a C
License #1015727 · C20
Grade A · Excellent
Western Environmental Services
License #922840 · D40
Grade A · Excellent
Isaac & Sons Plumbing INC
License #1000605 · C36
Grade A · Excellent
Yancosky Eugene JR
License #952005 · C-8
Grade A · Excellent
Performance Construction INC
License #724429 · B
Grade A · Excellent
RS Air Conditioning & Heating
License #966380 · C20
Grade A · Excellent
Laing David Masonry INC
License #1010637 · C29
Grade A · Excellent
Crestwood Corporation
License #460320 · B
Grade A · Excellent
Bergeron Construction & Design
License #961550 · B
Grade A · Excellent
Commercial Construction INC
License #566969 · B
Grade A · Excellent
Madrone Construction LLC
License #388249 · B
Grade A · Excellent
Sunthurst Energy, LLC CA
License #996509 · B
Grade A · Excellent
Dave Pycz Construction INC
License #603016 · C-8
Grade A · Excellent
SO Cal Pool Company
License #845392 · C53
Grade A · Excellent
Wells Development and Construction INC
License #700198 · B
Grade A · Excellent
When hiring a contractor in Glendora, 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.