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Licensed General Engineering Contractors in Mariposa, California

Updated November 1, 2026 from CSLB's public license file · A General Engineering Contractor

  • 20licensed general engineering contractors
  • 19active (Clear)
  • 5%with a suspension
  • 55%workers' comp exempt
  • 18.6 yrsmedian time licensed
  • 55%corp / LLC / partnership (45% sole owner)
  • 0new in the last 12 months
  • —change tracking began November 1, 2026

There are 20 general engineering contractors based in Mariposa in CSLB's current file. 19 (95%) have a Clear status as of November 1, 2026.

The share with a suspension, 5%, is 1 points higher than the Mariposa County rate for the same license (4%). 55% report a workers' comp exemption, 19.6 points higher than the statewide figure for general engineering contractors (35.4%), so many of these businesses say they have no employees.

Experience varies: 60% have been licensed 10+ years and 0 are new this year (median 18.6 years, vs 18.5 statewide).

These firms hold CSLB's A (General Engineering Contractor) license for engineered fixed works. See the A General Engineering Contractor guide for what the license covers.

How to check a general engineering contractor's license in Mariposa

  1. Look the company up by name or license number (search Mariposa). On the profile, confirm three things: Clear status, the A license for this kind of work, and a contractor's bond on file.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 5% of Mariposa listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Since 55% of Mariposa general engineering contractors claim a workers' comp exemption, ask who will actually do the work. Hiring checklist.

All 20 general engineering contractors in Mariposa

Mariposa general engineering contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed general engineering contractors in Mariposa
Business nameLicense #StatusYearsWorkers' compBond
Lawson Construction 409070 Clear 45 Insured On file
Allison S P 416385 Clear 44 Exempt On file
Williams Excavation INC 435145 Clear 43 Insured On file
Allison-Sierra INC 507261 Clear 39 Insured On file
Hennies Construction 594649 Clear 36 Exempt On file
Long Mark Tractor Work 608409 Clear 35 Exempt On file
Mariposa Tank INC 617349 Clear 35 Exempt On file
B & V Excavating 719195 Clear 30 Exempt On file
Smith Gene Construction 877385 Clear 20 Exempt On file
Pearson Excavating INC 929503 Clear 17 Insured On file
Allen Joseph E 1009072 Clear 11 Exempt On file
D P Mullis Engineering INC 1051940 Clear 7 Exempt On file
Lynch Excavation 1053805 Clear 7 Insured On file
Mountain Dirt INC 1075650 Clear 5 Insured On file
Sierra Nevada General Engineering 1082392 Clear 5 Insured On file
Williams Walt Tractor 1090053 Clear 4 Exempt On file
Peak Excavating and Land Clearing 1099295 Clear 3 Insured On file
Smith Construction Services LLC 1124060 Clear 2 Exempt On file
Peak Excavating INC 1144817 Clear 1 Insured On file
B C Construction 895514 Susp: contractor's bond 19 Exempt On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed general engineering contractors are in Mariposa?

CSLB's current public file lists 20 general engineering contractors with a Mariposa mailing address. 19 have a Clear status, and 85% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a general engineering contractor need in California?

These firms hold CSLB's A (General Engineering Contractor) license for engineered fixed works. Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a general engineering contractor's workers' comp?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Mariposa, 45% of general engineering contractors list a policy, 55% claim an exemption and 0% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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