Top-Rated Contractors in Glendora

50 verified

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.

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 50 Contractors by Safety Score

Ranked by SiteVetter Safety Score, highest first

#1

Vobecky Enterprises Incorporated

License #939311 · B

95/100

Grade A · Excellent

#2

Alberto's Plumbing

License #979569 · C36

95/100

Grade A · Excellent

#3

Cappello Plumbing

License #931278 · C36

95/100

Grade A · Excellent

#4

A & R Safe & Lock Corporation

License #933898 · D16

95/100

Grade A · Excellent

#5

Edra Construction Corporation

License #1005021 · B

95/100

Grade A · Excellent

#6

W W C Landscaping

License #978574 · C27

95/100

Grade A · Excellent

#7

Ace CD INC

License #847907 · A

95/100

Grade A · Excellent

#8

Bergeron Construction & Design

License #961550 · B

95/100

Grade A · Excellent

#9

Falcon Electric

License #935118 · C10

95/100

Grade A · Excellent

#10

Crestwood Corporation

License #460320 · B

95/100

Grade A · Excellent

#11

B R Building Resources Company

License #949919 · B

95/100

Grade A · Excellent

#12

Cal-west Mechanical LLC

License #858850 · C20

95/100

Grade A · Excellent

#13

Preferred One Plumbing

License #934012 · B

95/100

Grade A · Excellent

#14

D a R Construction

License #556706 · B

95/100

Grade A · Excellent

#15

Specialized & Laing Construction INC

License #834770 · C-8

95/100

Grade A · Excellent

#16

RE Air INC

License #595054 · C20

95/100

Grade A · Excellent

#17

AE Technic INC

License #906078 · A

95/100

Grade A · Excellent

#18

Spectrum Power and Electric

License #904139 · C10

95/100

Grade A · Excellent

#19

Platinum Waterscapes

License #1004416 · C53

95/100

Grade A · Excellent

#20

Laing David Masonry INC

License #1010637 · C29

95/100

Grade A · Excellent

#21

Rolhard INC

License #1010933 · A

95/100

Grade A · Excellent

#22

Isaac & Sons Plumbing INC

License #1000605 · C36

95/100

Grade A · Excellent

#23

L B K Construction

License #907625 · B

95/100

Grade A · Excellent

#24

Complete Gardening & Landscaping

License #862956 · C27

95/100

Grade A · Excellent

#25

Echo Fire Protection CO

License #429191 · C16

95/100

Grade A · Excellent

#26

Pipeline Works INC

License #922998 · A

95/100

Grade A · Excellent

#27

Storm Tight Roofing INC

License #790524 · C39

95/100

Grade A · Excellent

#28

H J Vast

License #891054 · B

95/100

Grade A · Excellent

#29

Slayton Michael General Contracting INC

License #966493 · B

95/100

Grade A · Excellent

#30

Gorilla Construction INC

License #921092 · B

95/100

Grade A · Excellent

#31

RS Air Conditioning & Heating

License #966380 · C20

95/100

Grade A · Excellent

#32

Silva Backhoe Services INC

License #929272 · A

95/100

Grade A · Excellent

#33

Lion Communications INC

License #883087 · C-7

95/100

Grade A · Excellent

#34

Greene Marc B Construction

License #620350 · B

95/100

Grade A · Excellent

#35

Construction Team the

License #552767 · B

95/100

Grade A · Excellent

#36

Pro - Seal Systems

License #863104 · C33

95/100

Grade A · Excellent

#37

Anderson Reconstruction INC

License #403642 · B

95/100

Grade A · Excellent

#38

Jordanair INC

License #560429 · B

95/100

Grade A · Excellent

#39

Glendora Hardwood Flooring

License #769696 · C15

95/100

Grade A · Excellent

#40

SC Sax Companies INC

License #862239 · B

95/100

Grade A · Excellent

#41

Commercial Construction INC

License #566969 · B

95/100

Grade A · Excellent

#42

Yancosky Eugene JR

License #952005 · C-8

95/100

Grade A · Excellent

#43

Picture Perfect Maintenance INC

License #1009019 · C27

95/100

Grade A · Excellent

#44

Heim Electric INC

License #910948 · C10

95/100

Grade A · Excellent

#45

Jdf Partners INC

License #981638 · A

95/100

Grade A · Excellent

#46

Just Electric

License #911801 · C10

95/100

Grade A · Excellent

#47

A L D Construction

License #796244 · B

95/100

Grade A · Excellent

#48

Clean Air Testing INC

License #474291 · D40

95/100

Grade A · Excellent

#49

Granvista Construction Corporation

License #815228 · B

95/100

Grade A · Excellent

#50

King Unlimited

License #523208 · C20

95/100

Grade A · Excellent

Finding the Best Contractors in Glendora

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:

  • 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.