Top-Rated Contractors in Windsor

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 Windsor, 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

Cary Thor Electric INC

License #995798 · C10

95/100

Grade A · Excellent

#2

Wahl Plumbing INC

License #995671 · C36

95/100

Grade A · Excellent

#3

Vasquez Alfredo

License #861658 · C-9

95/100

Grade A · Excellent

#4

North Coast Steel INC

License #913566 · C50

95/100

Grade A · Excellent

#5

Rogers Radiant INC

License #786292 · B

95/100

Grade A · Excellent

#6

Dwelling Resources INC

License #960042 · B

95/100

Grade A · Excellent

#7

Nordic Colors

License #757237 · C33

95/100

Grade A · Excellent

#8

Rovettis Landscape & Maintenance

License #740442 · C27

95/100

Grade A · Excellent

#9

EV & J Construction CORP

License #859279 · B

95/100

Grade A · Excellent

#10

R C X INC

License #715476 · A

95/100

Grade A · Excellent

#11

Franco's Mechanical

License #962011 · C20

95/100

Grade A · Excellent

#12

Sonoma Mountain Construction Company

License #925721 · B

95/100

Grade A · Excellent

#13

Winkler Aquascapes

License #870177 · D64

95/100

Grade A · Excellent

#14

Cleanroom Management CO

License #825594 · D34

95/100

Grade A · Excellent

#15

Gallaher Signature Construction INC

License #806365 · B

95/100

Grade A · Excellent

#16

S L F Concrete Construction INC

License #748934 · C-8

95/100

Grade A · Excellent

#17

Firestine Tile & Stone

License #882502 · C54

95/100

Grade A · Excellent

#18

Sonoma County Plumbing INC

License #748975 · B

95/100

Grade A · Excellent

#19

Murray Peter Landscaping

License #612634 · C27

95/100

Grade A · Excellent

#20

Parks Lance M Construction

License #945690 · B

95/100

Grade A · Excellent

#21

Colorful Impression Landscapes INC

License #918403 · C27

95/100

Grade A · Excellent

#22

Guy's Fencing INC

License #970005 · C13

95/100

Grade A · Excellent

#23

Trans Tech Consultants

License #697833 · A

95/100

Grade A · Excellent

#24

Buena Vista Company

License #721475 · B

95/100

Grade A · Excellent

#25

F R C INC

License #715667 · B

95/100

Grade A · Excellent

#26

C V a Drywall INC

License #936204 · C-9

95/100

Grade A · Excellent

#27

Adriano Fred Masonry Contractor INC

License #302834 · C29

95/100

Grade A · Excellent

#28

Borg John Plumbing Incorporated

License #690949 · C36

95/100

Grade A · Excellent

#29

Tonole Electrical INC

License #699955 · C10

95/100

Grade A · Excellent

#30

Gehrett & Zunino Builders INC

License #875505 · B

95/100

Grade A · Excellent

#31

Intentional Contracting INC

License #765188 · B

95/100

Grade A · Excellent

#32

Interstate Steel Builders INC

License #968575 · B

95/100

Grade A · Excellent

#33

Gwin Electric

License #738517 · C10

95/100

Grade A · Excellent

#34

American Tank CO INC

License #794146 · A

95/100

Grade A · Excellent

#35

Black Dog Electric INC

License #842957 · C10

95/100

Grade A · Excellent

#36

Gallaher Construction INC

License #419991 · B

95/100

Grade A · Excellent

#37

America's Pool Service Company

License #996059 · D35

95/100

Grade A · Excellent

#38

Natures Tailor

License #750601 · C27

95/100

Grade A · Excellent

#39

Harkey Construction INC

License #790931 · B

95/100

Grade A · Excellent

#40

Hess Eric Construction

License #474968 · B

95/100

Grade A · Excellent

#41

Precision Crane Service INC

License #440078 · D07

95/100

Grade A · Excellent

#42

C J's Iron Fence LLC

License #745339 · C13

95/100

Grade A · Excellent

#43

Soule Building Systems INC

License #735962 · B

95/100

Grade A · Excellent

#44

Manning Construction INC

License #723704 · B

95/100

Grade A · Excellent

#45

Angel Brother's Lath and Plastering INC

License #1005486 · C35

95/100

Grade A · Excellent

#46

Iconic Home Builder INC

License #1011365 · B

95/100

Grade A · Excellent

#47

North Bay Electric

License #815815 · C10

95/100

Grade A · Excellent

#48

Napa Valley Crane Service

License #1013163 · D07

95/100

Grade A · Excellent

#49

Johnson Pools INC

License #602946 · C53

95/100

Grade A · Excellent

#50

Rca Electric INC

License #1008300 · C10

95/100

Grade A · Excellent

Finding the Best Contractors in Windsor

When hiring a contractor in Windsor, 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.