Top-Rated Contractors in Irwindale

34 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 Irwindale, CA, 34 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 34 Contractors by Safety Score

Ranked by SiteVetter Safety Score, highest first

#1

Stewart Air Systems

License #975647 · C20

95/100

Grade A · Excellent

#2

Pipe Tec INC

License #987784 · A

95/100

Grade A · Excellent

#3

A Cut Above Building & Developing INC

License #915191 · B

95/100

Grade A · Excellent

#4

Precision Electric Company

License #697907 · C10

95/100

Grade A · Excellent

#5

Alliance General Contractors

License #799085 · B

95/100

Grade A · Excellent

#6

Inner Global INC

License #864791 · B

95/100

Grade A · Excellent

#7

Powersign Classic Neon

License #917422 · C45

95/100

Grade A · Excellent

#8

Hawkins Iii Edward D

License #918795 · C10

95/100

Grade A · Excellent

#9

Cpc Systems INC

License #947472 · A

95/100

Grade A · Excellent

#10

365 Construction INC

License #946056 · B

95/100

Grade A · Excellent

#11

Deco - Pave INC

License #761655 · A

95/100

Grade A · Excellent

#12

Capital Rebar INC

License #953511 · C50

95/100

Grade A · Excellent

#13

Father and Son General Contractors

License #890121 · B

95/100

Grade A · Excellent

#14

Irwindale Windows CO

License #846482 · B

95/100

Grade A · Excellent

#15

Dunn Alan Landscape Design

License #981448 · C27

95/100

Grade A · Excellent

#16

Western Paving Contractors INC

License #639093 · A

95/100

Grade A · Excellent

#17

Electric Service & Supply CO OF Pasadena

License #169577 · B

95/100

Grade A · Excellent

#18

Png Builders

License #188629 · B

95/100

Grade A · Excellent

#19

Gammill Electric INC

License #250076 · B

95/100

Grade A · Excellent

#20

Weg Industrial Electric INC

License #492351 · C10

95/100

Grade A · Excellent

#21

Los Angeles Plumbing & Backflow Testing INC

License #534844 · B

95/100

Grade A · Excellent

#22

Mariposa Landscapes INC

License #592268 · A

95/100

Grade A · Excellent

#23

Mee Industries INC

License #621594 · C27

95/100

Grade A · Excellent

#24

Pierre Landscape INC

License #638989 · A

95/100

Grade A · Excellent

#25

Good News Plumbing & Drain INC

License #906746 · C36

95/100

Grade A · Excellent

#26

E S Signs INC

License #1045658 · C45

90/100

Grade A · Excellent

#27

North American Recycling and Crushing LLC

License #1052163 · A

90/100

Grade A · Excellent

#28

Mariposa Tree Management INC

License #1061455 · A

90/100

Grade A · Excellent

#29

Airtega INC

License #1071028 · C20

90/100

Grade A · Excellent

#30

Gentry Wayne J JR

License #808335 · A

85/100

Grade B · Good

#31

Best Ridge Line INC

License #1092487 · A

85/100

Grade B · Good

#32

Roelle Michael G Plumbing and Fire Sprinkler Contractor

License #271993 · C16

85/100

Grade B · Good

#33

Trifecta Mechanical Contractor

License #1082037 · C20

85/100

Grade B · Good

#34

Roelle Michael G Plumbing & Fire Sprinkler Contractor INC

License #743562 · B

85/100

Grade B · Good

Finding the Best Contractors in Irwindale

When hiring a contractor in Irwindale, 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.