Top-Rated Contractors in Quartz Hill

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 Quartz Hill, 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

T W S Plumbing INC

License #1009312 · B

95/100

Grade A · Excellent

#2

Cornerstone Pure Air Systems

License #827261 · C20

95/100

Grade A · Excellent

#3

Affordable Air and Heating

License #840652 · C20

95/100

Grade A · Excellent

#4

O'donnell Heating & Air INC

License #910978 · C20

95/100

Grade A · Excellent

#5

Sal - Oya Construction Company INC

License #818392 · B

95/100

Grade A · Excellent

#6

Patriot Plumbing

License #971491 · C36

95/100

Grade A · Excellent

#7

Complete Enterprises INC

License #612224 · B

95/100

Grade A · Excellent

#8

Southland Industrial Electric

License #623758 · C10

95/100

Grade A · Excellent

#9

Builders Unlimited Constructors

License #794116 · B

95/100

Grade A · Excellent

#10

L & M Electric

License #635176 · C10

95/100

Grade A · Excellent

#11

Precise Air Mechanical Solutions INC

License #987826 · C20

95/100

Grade A · Excellent

#12

Skelton B Construction INC

License #661122 · B

95/100

Grade A · Excellent

#13

Johnson Electrical Contracting

License #318496 · B

95/100

Grade A · Excellent

#14

Agro-tech Landscape Construction INC

License #608361 · C27

95/100

Grade A · Excellent

#15

California Fencing INC

License #898483 · C13

95/100

Grade A · Excellent

#16

Valley Water Heaters and Plumbing

License #734742 · C36

95/100

Grade A · Excellent

#17

Nelson Concrete

License #739493 · C-8

95/100

Grade A · Excellent

#18

Green Works Landscape and Maintenance

License #753072 · C27

95/100

Grade A · Excellent

#19

Masonry Masterworks INC

License #980733 · C29

95/100

Grade A · Excellent

#20

Trejo Ignacio

License #1058065 · B

90/100

Grade A · Excellent

#21

Diamond Custom Cabinetry

License #1019637 · C-6

90/100

Grade A · Excellent

#22

Perez Luis

License #1067390 · C-8

90/100

Grade A · Excellent

#23

Valley Sanitation

License #1051148 · C42

90/100

Grade A · Excellent

#24

Gsa Construction INC

License #1037549 · B

90/100

Grade A · Excellent

#25

RD Construction

License #1021427 · B

90/100

Grade A · Excellent

#26

Lopez Construction

License #688855 · B

85/100

Grade B · Good

#27

Vickers Owen Torval

License #703363 · B

85/100

Grade B · Good

#28

Hill's Steve Custom Tile

License #709612 · C54

85/100

Grade B · Good

#29

Supreme Construction

License #819659 · B

85/100

Grade B · Good

#30

M & N Mechanical

License #911832 · C36

85/100

Grade B · Good

#31

Finishing Touches Painting

License #814788 · C33

85/100

Grade B · Good

#32

Carlton's Construction Custom Carpentry

License #750319 · B

85/100

Grade B · Good

#33

EG Enterprises INC

License #980036 · A

85/100

Grade B · Good

#34

Vavrick's Fine Finish Carpentry

License #769705 · C-6

85/100

Grade B · Good

#35

J Alvarado Roofing INC

License #1099924 · C39

85/100

Grade B · Good

#36

His Company Alarm Systems

License #854225 · C10

85/100

Grade B · Good

#37

L R Construction

License #894246 · B

85/100

Grade B · Good

#38

Scott Garage Doors

License #801492 · D28

85/100

Grade B · Good

#39

Forte Nathan D Construction

License #479827 · B

85/100

Grade B · Good

#40

Andrews Custom Construction

License #798815 · B

85/100

Grade B · Good

#41

A G Professional Painting

License #815178 · C33

85/100

Grade B · Good

#42

S and P Fire Protection

License #1000887 · C16

85/100

Grade B · Good

#43

Beebe Craig Masonry

License #846399 · C29

85/100

Grade B · Good

#44

Javalera Masonry

License #944902 · C29

85/100

Grade B · Good

#45

Reddog Construction

License #946574 · B

85/100

Grade B · Good

#46

Trudeau Electric INC

License #1085100 · C10

85/100

Grade B · Good

#47

Del Real Testing

License #899854 · D40

85/100

Grade B · Good

#48

Figueroa Miguel Fernando

License #1087403 · C10

85/100

Grade B · Good

#49

YB Construction INC

License #1115964 · B

85/100

Grade B · Good

#50

Kessler K T

License #395762 · C10

85/100

Grade B · Good

Finding the Best Contractors in Quartz Hill

When hiring a contractor in Quartz Hill, 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.