Top-Rated Contractors in Mariposa

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 Mariposa, 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

Mariposa Mechanical Service

License #842033 · C20

95/100

Grade A · Excellent

#2

Dayhoff Cabinets

License #846685 · C-6

95/100

Grade A · Excellent

#3

Marini M a Construction

License #747765 · B

95/100

Grade A · Excellent

#4

Offline Solar Electric

License #608035 · B

95/100

Grade A · Excellent

#5

Rose Frank Construction INC

License #901316 · B

95/100

Grade A · Excellent

#6

Price General Builders Corporation

License #924614 · B

95/100

Grade A · Excellent

#7

Pearson Excavating INC

License #929503 · A

95/100

Grade A · Excellent

#8

Verley Construction INC

License #292143 · B

95/100

Grade A · Excellent

#9

Always Quality Concrete

License #945961 · B

95/100

Grade A · Excellent

#10

Lawson Construction

License #409070 · A

95/100

Grade A · Excellent

#11

Hambleton R Electric

License #879557 · C10

95/100

Grade A · Excellent

#12

Williams Excavation INC

License #435145 · A

95/100

Grade A · Excellent

#13

S & S Electric

License #881257 · C10

95/100

Grade A · Excellent

#14

Lura Jerry Construction

License #883364 · B

95/100

Grade A · Excellent

#15

Wright Mark Stephen

License #999867 · C-8

95/100

Grade A · Excellent

#16

L G a Construction/lonnie Allen

License #562190 · B

95/100

Grade A · Excellent

#17

R J's Quality Painting CO

License #812536 · C33

95/100

Grade A · Excellent

#18

Petretti C J Construction

License #568021 · B

95/100

Grade A · Excellent

#19

R and R Pool Service a Partnership

License #956545 · C53

95/100

Grade A · Excellent

#20

Alltrade Construction Service INC

License #584819 · B

95/100

Grade A · Excellent

#21

Sierra Masonry

License #971153 · B

95/100

Grade A · Excellent

#22

Summit Electric

License #654599 · C10

95/100

Grade A · Excellent

#23

Brentwood Electric

License #614628 · C10

95/100

Grade A · Excellent

#24

Triangle Construction Services

License #900423 · B

95/100

Grade A · Excellent

#25

Yosemite Falls INC

License #691117 · C57

95/100

Grade A · Excellent

#26

Nate Wise Construction

License #833491 · B

95/100

Grade A · Excellent

#27

Becks Tree Property Service

License #716391 · D49

95/100

Grade A · Excellent

#28

Thermal Alliance

License #719460 · C20

95/100

Grade A · Excellent

#29

Allison-sierra INC

License #507261 · A

95/100

Grade A · Excellent

#30

Daniel and Sons Construction

License #749166 · B

95/100

Grade A · Excellent

#31

Pac & Son Construction

License #1008217 · B

95/100

Grade A · Excellent

#32

A J V Heating & Cooling

License #818052 · C20

95/100

Grade A · Excellent

#33

5j Construction

License #958226 · B

95/100

Grade A · Excellent

#34

D's Trees

License #1030178 · D49

90/100

Grade A · Excellent

#35

Castro's Larry Tree Service

License #1026270 · D49

90/100

Grade A · Excellent

#36

Accell Drywall INC

License #1049456 · C-9

90/100

Grade A · Excellent

#37

White Barry

License #1022647 · C-9

90/100

Grade A · Excellent

#38

Lynch Excavation

License #1053805 · A

90/100

Grade A · Excellent

#39

D M C Concrete Construction

License #1058732 · C-8

90/100

Grade A · Excellent

#40

Mountain Landscaper

License #1069946 · C27

90/100

Grade A · Excellent

#41

Yosemite Glass & Window

License #1048149 · C17

90/100

Grade A · Excellent

#42

Miller Construction

License #669630 · B

85/100

Grade B · Good

#43

Darell's Painting

License #692554 · C33

85/100

Grade B · Good

#44

B & V Excavating

License #719195 · A

85/100

Grade B · Good

#45

Executive Services

License #731614 · B

85/100

Grade B · Good

#46

J C Painting

License #748252 · C33

85/100

Grade B · Good

#47

Thinkbuilt

License #859967 · B

85/100

Grade B · Good

#48

Rock N Waterfalls

License #872682 · C27

85/100

Grade B · Good

#49

Sequoia Construction

License #928964 · B

85/100

Grade B · Good

#50

Patterson Construction

License #937189 · B

85/100

Grade B · Good

Finding the Best Contractors in Mariposa

When hiring a contractor in Mariposa, 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.