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

Henry Mechanical

License #855174 · C10

95/100

Grade A · Excellent

#2

M Stone

License #914383 · C33

95/100

Grade A · Excellent

#3

C V a Drywall INC

License #936204 · C-9

95/100

Grade A · Excellent

#4

A Plus Locksmith

License #971620 · C28

95/100

Grade A · Excellent

#5

Amg Engineering

License #887119 · A

95/100

Grade A · Excellent

#6

Low Voltage Security

License #900930 · C-7

95/100

Grade A · Excellent

#7

Cleanroom Management CO

License #825594 · D34

95/100

Grade A · Excellent

#8

Eleos Electric

License #1009044 · C10

95/100

Grade A · Excellent

#9

Coleman Construction

License #1009455 · B

95/100

Grade A · Excellent

#10

Anderson Flooring

License #960883 · C15

95/100

Grade A · Excellent

#11

Smooth Style Concrete Construction INC

License #949364 · C-8

95/100

Grade A · Excellent

#12

Firestine Tile & Stone

License #882502 · C54

95/100

Grade A · Excellent

#13

North Bay Electric

License #815815 · C10

95/100

Grade A · Excellent

#14

True Tone Painting INC

License #899051 · C33

95/100

Grade A · Excellent

#15

Natures Tailor

License #750601 · C27

95/100

Grade A · Excellent

#16

America's Pool Service Company

License #996059 · D35

95/100

Grade A · Excellent

#17

Meta Morphic Plastering

License #1006137 · C35

95/100

Grade A · Excellent

#18

Welding Contractor

License #1003555 · C60

95/100

Grade A · Excellent

#19

Gallaher Signature Construction INC

License #806365 · B

95/100

Grade A · Excellent

#20

Black Dog Electric INC

License #842957 · C10

95/100

Grade A · Excellent

#21

Spears Painting

License #829199 · C33

95/100

Grade A · Excellent

#22

Leland Plumbing Heating & Air Cond

License #848071 · C20

95/100

Grade A · Excellent

#23

Surge Electric Service

License #835307 · C10

95/100

Grade A · Excellent

#24

M D S Construction

License #813621 · B

95/100

Grade A · Excellent

#25

Harkey Construction INC

License #790931 · B

95/100

Grade A · Excellent

#26

Winkler Aquascapes

License #870177 · D64

95/100

Grade A · Excellent

#27

Epic Plumbing

License #947039 · C36

95/100

Grade A · Excellent

#28

Rogers Radiant INC

License #786292 · B

95/100

Grade A · Excellent

#29

Empire Insulation Contractors

License #819279 · C-2

95/100

Grade A · Excellent

#30

Mike's Plumbing & Rooter

License #885932 · C36

95/100

Grade A · Excellent

#31

Franco's Garage Doors

License #886196 · D28

95/100

Grade A · Excellent

#32

Rca Electric INC

License #1008300 · C10

95/100

Grade A · Excellent

#33

Powell's Painting LLC

License #996312 · C33

95/100

Grade A · Excellent

#34

American Tank CO INC

License #794146 · A

95/100

Grade A · Excellent

#35

Hauer Construction & Maintenance

License #760292 · B

95/100

Grade A · Excellent

#36

Galvan Underground Construction INC

License #988314 · A

95/100

Grade A · Excellent

#37

Nin Construction LLC

License #994732 · B

95/100

Grade A · Excellent

#38

Moore Joe Painting_& Roofing

License #780163 · C33

95/100

Grade A · Excellent

#39

Warner J Enterprises

License #1004203 · B

95/100

Grade A · Excellent

#40

Nava Spa Repair LLC

License #969534 · D35

95/100

Grade A · Excellent

#41

Power Play Electric

License #805693 · C10

95/100

Grade A · Excellent

#42

Alfaro Construction

License #1001985 · B

95/100

Grade A · Excellent

#43

Coating Painting Waterproofing INC

License #973617 · C33

95/100

Grade A · Excellent

#44

Jpl Builders INC

License #1009769 · B

95/100

Grade A · Excellent

#45

Sonoma County Plumbing INC

License #748975 · B

95/100

Grade A · Excellent

#46

Compton Construction Company

License #429008 · B

95/100

Grade A · Excellent

#47

Franco's Mechanical

License #962011 · C20

95/100

Grade A · Excellent

#48

Kanan's Tile

License #927439 · C54

95/100

Grade A · Excellent

#49

Nordic Colors

License #757237 · C33

95/100

Grade A · Excellent

#50

Adriano Fred Masonry Contractor INC

License #302834 · C29

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.