Top-Rated Contractors in Fontana

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 Fontana, 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

Diggerz INC

License #831233 · A

95/100

Grade A · Excellent

#2

Schoenborn Bill Construction

License #959116 · B

95/100

Grade A · Excellent

#3

P R O Network Cabling

License #987453 · C-7

95/100

Grade A · Excellent

#4

Ferrer Construction

License #719238 · B

95/100

Grade A · Excellent

#5

Dansa Construction

License #714606 · B

95/100

Grade A · Excellent

#6

Chris Painting

License #693506 · C33

95/100

Grade A · Excellent

#7

Andrade Construction

License #878116 · B

95/100

Grade A · Excellent

#8

Sanchez Flooring

License #880882 · C15

95/100

Grade A · Excellent

#9

Mcmillan Water Treatment INC

License #844792 · C20

95/100

Grade A · Excellent

#10

Floored Tile & Stone

License #791250 · C54

95/100

Grade A · Excellent

#11

Strata Engineering

License #884438 · A

95/100

Grade A · Excellent

#12

Diamondback Sawing and Coring INC

License #998960 · A

95/100

Grade A · Excellent

#13

Aqua-serv Engineers INC

License #993417 · C55

95/100

Grade A · Excellent

#14

Garcia's Air Conditioning

License #983073 · C20

95/100

Grade A · Excellent

#15

Sharp Network Services INC

License #989155 · C-7

95/100

Grade A · Excellent

#16

J - M Roofing CO

License #977704 · C39

95/100

Grade A · Excellent

#17

Shook Steve Painting

License #729920 · C33

95/100

Grade A · Excellent

#18

Dlab Drywall INC

License #986090 · C-2

95/100

Grade A · Excellent

#19

Stc Netcom INC

License #658768 · A

95/100

Grade A · Excellent

#20

Manzo Heating and Air

License #859825 · C20

95/100

Grade A · Excellent

#21

California Guardian INC

License #712114 · C16

95/100

Grade A · Excellent

#22

Racky Storage Systems

License #858678 · D34

95/100

Grade A · Excellent

#23

Arana Roofing

License #953146 · C39

95/100

Grade A · Excellent

#24

Cal-west Plumbing

License #708215 · B

95/100

Grade A · Excellent

#25

Pro Plumbing & Rooting Services INC

License #957556 · C36

95/100

Grade A · Excellent

#26

Correct Cryogenics INC

License #851423 · C36

95/100

Grade A · Excellent

#27

Zuniga Electrical Construction

License #837253 · C10

95/100

Grade A · Excellent

#28

Guzman Grading and Paving CORP

License #904543 · A

95/100

Grade A · Excellent

#29

Solectric Solution

License #1006294 · C10

95/100

Grade A · Excellent

#30

Riselo Engineering Solutions INC

License #953223 · C10

95/100

Grade A · Excellent

#31

G W Construction

License #999505 · B

95/100

Grade A · Excellent

#32

Noriega Pipeline INC

License #973330 · A

95/100

Grade A · Excellent

#33

3rd Generation Roofing

License #768618 · C39

95/100

Grade A · Excellent

#34

Crw Roofing and Waterproofing

License #663117 · ASB

95/100

Grade A · Excellent

#35

M D L Construction INC

License #748447 · B

95/100

Grade A · Excellent

#36

Precast Solution INC

License #979564 · B

95/100

Grade A · Excellent

#37

Calmar Construction INC

License #1008412 · ASB

95/100

Grade A · Excellent

#38

Custom Built Pools & Spas

License #408796 · C53

95/100

Grade A · Excellent

#39

Coast Water Systems INC

License #874705 · C55

95/100

Grade A · Excellent

#40

A & J Scaffold INC

License #1012029 · D39

95/100

Grade A · Excellent

#41

Drywall BY Robby

License #999618 · C-9

95/100

Grade A · Excellent

#42

Imperial Construction and Design

License #891687 · B

95/100

Grade A · Excellent

#43

Enterprize Contracting

License #989191 · B

95/100

Grade A · Excellent

#44

Aleka Concrete

License #771400 · C-8

95/100

Grade A · Excellent

#45

Aries Electric INC

License #989767 · C10

95/100

Grade A · Excellent

#46

Fregoso Gardenscape

License #886469 · C27

95/100

Grade A · Excellent

#47

S & R Welding INC

License #787019 · C51

95/100

Grade A · Excellent

#48

T N T Welding

License #794659 · B

95/100

Grade A · Excellent

#49

Pinelo Communications

License #977733 · C-7

95/100

Grade A · Excellent

#50

W C Brown Welding INC

License #537342 · C51

95/100

Grade A · Excellent

Finding the Best Contractors in Fontana

When hiring a contractor in Fontana, 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.