Top-Rated Contractors in West Covina

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 West Covina, 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

Dez Mechanical Systems

License #952037 · C20

95/100

Grade A · Excellent

#2

Reata Roofing Services

License #780227 · B

95/100

Grade A · Excellent

#3

Grason Dan N

License #990268 · B

95/100

Grade A · Excellent

#4

Pacific Single Ply Roofing INC

License #777968 · C39

95/100

Grade A · Excellent

#5

Trans Tech Electric

License #906102 · C10

95/100

Grade A · Excellent

#6

Moby's Pool and Spa

License #732524 · C53

95/100

Grade A · Excellent

#7

O & Z Plumbing Work INC

License #911682 · C36

95/100

Grade A · Excellent

#8

Rock Solid Construction INC

License #999341 · B

95/100

Grade A · Excellent

#9

Tang LY Duong

License #720921 · B

95/100

Grade A · Excellent

#10

Ramirez Construction

License #683241 · C-8

95/100

Grade A · Excellent

#11

Comfort Zone the

License #802854 · B

95/100

Grade A · Excellent

#12

YU Ken

License #724389 · B

95/100

Grade A · Excellent

#13

Grand Pacific Communities Corporation

License #794987 · B

95/100

Grade A · Excellent

#14

JD Safety Surfacing INC

License #894924 · D34

95/100

Grade A · Excellent

#15

Martin Isaac Concrete

License #800624 · C-8

95/100

Grade A · Excellent

#16

T3 Electric CO

License #835314 · C10

95/100

Grade A · Excellent

#17

Bobadilla Construction INC

License #664692 · B

95/100

Grade A · Excellent

#18

Stupak Roofing

License #654140 · B

95/100

Grade A · Excellent

#19

Roger's A/c Repair & Service

License #948940 · C20

95/100

Grade A · Excellent

#20

Full Blast Heating and Air Conditioning

License #973689 · C20

95/100

Grade A · Excellent

#21

Elite Mechanical

License #970567 · C20

95/100

Grade A · Excellent

#22

Kreationz Finest CORP

License #969802 · B

95/100

Grade A · Excellent

#23

Alma Construction Services INC

License #918644 · C-8

95/100

Grade A · Excellent

#24

Yuriar Painting INC

License #973703 · C33

95/100

Grade A · Excellent

#25

Le0's Heating and Air Conditioning

License #901132 · C20

95/100

Grade A · Excellent

#26

M & J Tree Service

License #933133 · D49

95/100

Grade A · Excellent

#27

J D G Construction CO

License #959780 · B

95/100

Grade A · Excellent

#28

Randy E Escarcega Concrete Construction

License #637168 · C-8

95/100

Grade A · Excellent

#29

Sunshine Air Conditioning INC

License #880274 · B

95/100

Grade A · Excellent

#30

Jjj Plumbing INC

License #842875 · C36

95/100

Grade A · Excellent

#31

Clairmont Steven J

License #313882 · B

95/100

Grade A · Excellent

#32

E V Iron

License #807185 · C23

95/100

Grade A · Excellent

#33

Carpenter Drywall Company the

License #905516 · C-9

95/100

Grade A · Excellent

#34

Prestige Building and Development

License #894718 · B

95/100

Grade A · Excellent

#35

Ozuna Electric CO INC

License #647855 · C10

95/100

Grade A · Excellent

#36

United Fire & Safety CORP

License #621096 · C16

95/100

Grade A · Excellent

#37

Nature's Tree Service

License #776350 · D49

95/100

Grade A · Excellent

#38

Top Notch Concrete

License #835355 · C-8

95/100

Grade A · Excellent

#39

Darrah Anderson Electric INC

License #985266 · C10

95/100

Grade A · Excellent

#40

Suncom Service

License #829980 · C10

95/100

Grade A · Excellent

#41

Cozy Air

License #829703 · C20

95/100

Grade A · Excellent

#42

Celco Construction Services Incorporated

License #988826 · B

95/100

Grade A · Excellent

#43

J M Z Customs INC

License #949079 · C-6

95/100

Grade A · Excellent

#44

Guang FA INC

License #1009395 · B

95/100

Grade A · Excellent

#45

Bolt CO

License #481375 · B

95/100

Grade A · Excellent

#46

Guy's Heating & Air Conditioning INC

License #1003750 · C20

95/100

Grade A · Excellent

#47

Mdk Flooring

License #1008189 · B

95/100

Grade A · Excellent

#48

Dev Industries INC

License #768944 · D64

95/100

Grade A · Excellent

#49

Universal Services Tech

License #777141 · B

95/100

Grade A · Excellent

#50

Ho's General Polish Wall Cut C Construction INC

License #1007290 · B

95/100

Grade A · Excellent

Finding the Best Contractors in West Covina

When hiring a contractor in West Covina, 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.