Top-Rated Contractors in San Ramon

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 San Ramon, 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 a S K

License #960674 · D64

95/100

Grade A · Excellent

#2

Almaden Pool Services

License #896828 · D35

95/100

Grade A · Excellent

#3

Kamal Construction

License #848717 · B

95/100

Grade A · Excellent

#4

Hung Construction Builder INC

License #974848 · B

95/100

Grade A · Excellent

#5

Tran Hung

License #793330 · B

95/100

Grade A · Excellent

#6

P & G Restoration Services INC

License #806781 · B

95/100

Grade A · Excellent

#7

Dig & Demo INC

License #993947 · A

95/100

Grade A · Excellent

#8

Uniframe Windows and Siding INC

License #665358 · C17

95/100

Grade A · Excellent

#9

The Helsing Group INC

License #672692 · B

95/100

Grade A · Excellent

#10

B & H Plumbing & Home Services INC

License #994654 · B

95/100

Grade A · Excellent

#11

Sunset Development Company

License #644638 · B

95/100

Grade A · Excellent

#12

H R Marble & Granite INC

License #946437 · C54

95/100

Grade A · Excellent

#13

Defentec Security

License #547780 · C-7

95/100

Grade A · Excellent

#14

Cinema Installation & Services INC

License #953320 · D34

95/100

Grade A · Excellent

#15

Integrated Building Solutions INC

License #899290 · C10

95/100

Grade A · Excellent

#16

Brisco INC

License #728425 · B

95/100

Grade A · Excellent

#17

Alcosta Shower Door INC

License #416420 · D08

95/100

Grade A · Excellent

#18

Snell Electric INC

License #948899 · C10

95/100

Grade A · Excellent

#19

Dave's Pool Service

License #672475 · D35

95/100

Grade A · Excellent

#20

Protech Painting Company

License #904505 · C33

95/100

Grade A · Excellent

#21

Bay Wide Glass INC

License #769363 · C17

95/100

Grade A · Excellent

#22

Sunset Painting

License #735182 · C33

95/100

Grade A · Excellent

#23

Szeto Man Tat

License #446926 · B

95/100

Grade A · Excellent

#24

Costa S Construction INC

License #607454 · B

95/100

Grade A · Excellent

#25

Encino Construction Group CORP

License #759656 · A

95/100

Grade A · Excellent

#26

Native Sons Landscaping Incorporated

License #556113 · B

95/100

Grade A · Excellent

#27

Trans Bay Air

License #809545 · C20

95/100

Grade A · Excellent

#28

Sut's Superior Underground Tank Service INC

License #482356 · A

95/100

Grade A · Excellent

#29

Advanced Plumbing and Rooter Service

License #782789 · C36

95/100

Grade A · Excellent

#30

Calcon Systems INC

License #508284 · C10

95/100

Grade A · Excellent

#31

Borg Reuben Fence

License #746116 · B

95/100

Grade A · Excellent

#32

Roof Life Construction

License #653956 · B

95/100

Grade A · Excellent

#33

C T I - Controltech INC

License #951993 · A

95/100

Grade A · Excellent

#34

C / S Erectors INC

License #575606 · C17

95/100

Grade A · Excellent

#35

Mastercraft Custom Engineering

License #728286 · A

95/100

Grade A · Excellent

#36

Paramount Home Theater

License #914677 · C-7

95/100

Grade A · Excellent

#37

C J's Roofing

License #709867 · C39

95/100

Grade A · Excellent

#38

Chad Reed Construction INC

License #930501 · B

95/100

Grade A · Excellent

#39

A G Pavers

License #992278 · C-8

95/100

Grade A · Excellent

#40

Northwest Concrete

License #442983 · C-8

95/100

Grade A · Excellent

#41

Landscape Dynamics

License #443939 · B

95/100

Grade A · Excellent

#42

O'sullivan & Son Construction INC

License #902262 · B

95/100

Grade A · Excellent

#43

Floors BY Leo

License #555929 · B

95/100

Grade A · Excellent

#44

Air Performance Heating & Cooling LLC

License #876710 · C20

95/100

Grade A · Excellent

#45

Pacific Coast Well & Pump INC

License #810579 · A

95/100

Grade A · Excellent

#46

Aplus Plumbing

License #972915 · C36

95/100

Grade A · Excellent

#47

Diablo Molding & Trim

License #963110 · B

95/100

Grade A · Excellent

#48

Solarpark Usa INC

License #930425 · C10

95/100

Grade A · Excellent

#49

Ema Builders INC

License #941254 · B

95/100

Grade A · Excellent

#50

Cal Tech Security Services INC

License #1000133 · C-7

95/100

Grade A · Excellent

Finding the Best Contractors in San Ramon

When hiring a contractor in San Ramon, 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.