Top-Rated Contractors in Signal 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 Signal 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

L a King CO

License #701204 · C-7

95/100

Grade A · Excellent

#2

Strata - Analysts Group

License #734943 · C10

95/100

Grade A · Excellent

#3

Lees Fence CO INC

License #566271 · C13

95/100

Grade A · Excellent

#4

Stephenson W W CO INC

License #382758 · A

95/100

Grade A · Excellent

#5

Omnicraft Enterprises INC

License #387045 · B

95/100

Grade A · Excellent

#6

C & H Custom Security Systems INC

License #629044 · C-7

95/100

Grade A · Excellent

#7

Byers & Butler INC

License #283253 · D28

95/100

Grade A · Excellent

#8

West Coast Environmental Solutions INC

License #360901 · A

95/100

Grade A · Excellent

#9

Signal Mechanical INC

License #571650 · C20

95/100

Grade A · Excellent

#10

Proscape Landscape

License #573977 · C27

95/100

Grade A · Excellent

#11

Morey Remodeling Group

License #426811 · B

95/100

Grade A · Excellent

#12

Cal Coast Plumbing

License #493848 · C36

95/100

Grade A · Excellent

#13

Renewable Energy Advantage INC

License #982201 · C10

95/100

Grade A · Excellent

#14

Martin Allcoat Painting INC

License #492355 · C33

95/100

Grade A · Excellent

#15

California Distribution Center INC

License #993259 · C17

95/100

Grade A · Excellent

#16

R P Vititow Construction CORP

License #955760 · A

95/100

Grade A · Excellent

#17

Southern Cal Concrete Pumping

License #526906 · B

95/100

Grade A · Excellent

#18

Zieba Builders INC

License #558572 · B

95/100

Grade A · Excellent

#19

Nuwave International Industries INC

License #1000182 · B

95/100

Grade A · Excellent

#20

Maher Stephen F General Contractor

License #508592 · B

95/100

Grade A · Excellent

#21

Grush ED General Contractor INC

License #246399 · B

95/100

Grade A · Excellent

#22

Ariel's Plumbing INC

License #873001 · C36

95/100

Grade A · Excellent

#23

Harmon's Home Improvement & Construction CO

License #277492 · B

95/100

Grade A · Excellent

#24

R a M Insulation INC

License #994116 · C-2

95/100

Grade A · Excellent

#25

DE Sisto Construction INC

License #803545 · B

95/100

Grade A · Excellent

#26

Professional Lock Systems INC

License #402953 · D28

95/100

Grade A · Excellent

#27

A1 Best Plumbing & Restoration

License #812317 · B

95/100

Grade A · Excellent

#28

Los Altos Construction INC

License #890949 · B

95/100

Grade A · Excellent

#29

Los Angeles Glass Company INC

License #999163 · C17

95/100

Grade A · Excellent

#30

J D E Construction INC

License #983306 · B

95/100

Grade A · Excellent

#31

B E S Painting

License #928010 · C33

95/100

Grade A · Excellent

#32

M T R Construction INC

License #929602 · B

95/100

Grade A · Excellent

#33

Century Calibrating Company

License #990347 · A

95/100

Grade A · Excellent

#34

Ofrs, INC

License #994684 · A

95/100

Grade A · Excellent

#35

Griff's Electric INC

License #802767 · C10

95/100

Grade A · Excellent

#36

King Charles Company

License #738236 · A

95/100

Grade A · Excellent

#37

Progressive Electric Service

License #803687 · C10

95/100

Grade A · Excellent

#38

Liftech Elevator Services LLC

License #808879 · C11

95/100

Grade A · Excellent

#39

Allenco

License #704111 · A

95/100

Grade A · Excellent

#40

A B C Liovin Drilling INC

License #422904 · C57

95/100

Grade A · Excellent

#41

Delgadillo Carlos a

License #985662 · C15

95/100

Grade A · Excellent

#42

Cox Industrial

License #848003 · D21

95/100

Grade A · Excellent

#43

Aames Carpet Care INC

License #797673 · C15

95/100

Grade A · Excellent

#44

Jose F Estrada Landscaping

License #786957 · C27

95/100

Grade A · Excellent

#45

Pete's Plumbing

License #277178 · C36

95/100

Grade A · Excellent

#46

Triumph Landscaping INC

License #879955 · C27

95/100

Grade A · Excellent

#47

H I C Electric INC

License #856809 · C10

95/100

Grade A · Excellent

#48

J E T Drilling INC

License #750885 · C57

95/100

Grade A · Excellent

#49

Ship & Shore Environmental INC

License #792137 · A

95/100

Grade A · Excellent

#50

Mesa Environmental Services INC

License #687820 · A

95/100

Grade A · Excellent

Finding the Best Contractors in Signal Hill

When hiring a contractor in Signal 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.