Independent site · Not affiliated with CSLB or any state agency
Contractor LookoutCalifornia

Licensed General Engineering Contractors in Napa, California

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

  • 49licensed general engineering contractors
  • 48active (Clear)
  • 2%with a suspension
  • 34.7%workers' comp exempt
  • 28.8 yrsmedian time licensed
  • 71.4%corp / LLC / partnership (28.6% sole owner)
  • 1new in the last 12 months
  • —change tracking began November 1, 2026

Napa is home to 49 general engineering contractors in CSLB's license file, the most in Napa County. 98% are Clear.

The share with a suspension, 2%, is 1.5 points lower than the Napa County rate for the same license (3.5%). About 34.7% report a workers' comp exemption, roughly the statewide norm for general engineering contractors.

1 of these licenses is less than a year old, while 75.5% have been held for 10 years or more. The median is 28.8 years.

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 Napa

  1. Find the business in the list below, or search all 49 Napa listings, and open its profile. You want a Clear status and the A classification (a B license can also cover it as part of a multi-trade job).
  2. Before any money changes hands, verify the license on CSLB's own lookup. Our data comes from CSLB's weekly file, so a very recent change may not show here yet.
  3. Match the license holder's name to the name on the written contract and the person you meet. Ask for proof of workers' comp if anyone besides the owner will work on site. Hiring checklist.

All 49 general engineering contractors in Napa

Napa 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 Napa
Business nameLicense #StatusYearsWorkers' compBond
Bell Products INC 171534 Clear 69 Insured On file
Syar James M 325241 Clear 50 Insured On file
Nova Group INC 326774 Clear 50 Insured On file
Pridmore Brothers Construction INC 384371 Clear 46 Insured On file
Doran Construction 405660 Clear 45 Exempt On file
Piombo G R Construction Company 462363 Clear 42 Exempt On file
Binstock Enterprises 492561 Clear 40 Insured On file
Malin John S 499534 Clear 40 Exempt On file
Basford's General Engineering 508962 Clear 39 Exempt On file
R & R Maher Construction Company INC 508930 Clear 39 Insured On file
Mr Rooter Plumbing 511333 Clear 39 Insured On file
Riechers Peter 524874 Clear 38 Exempt On file
A T S 526380 Clear 38 Insured On file
Hess R H Development Company 537348 Clear 38 Insured On file
Pridmore Don & Son Construction INC 556837 Clear 37 Insured On file
Utility & Site INC 570401 Clear 37 Exempt On file
Quality Incorporated Site Work & Underground 622688 Clear 35 Insured On file
Rong's Backhoe Service 629852 Clear 35 Exempt On file
Utility Construction & Inspection CO 692848 Clear 32 Exempt On file
Heritage Olive Trees 698377 Clear 32 Insured On file
R & M Grading INC 720126 Clear 30 Insured On file
Mc Daniel Mechanical Construction INC 721808 Clear 30 Insured On file
New Garden Mechanics 738864 Clear 29 Exempt On file
Atlas Peak Construction 742689 Clear 29 Insured On file
Oakville Pump Service INC 744958 Clear 28 Insured On file
Whitney & Sons INC 763735 Clear 27 Insured On file
Brady Mitchell Construction INC 785118 Clear 26 Exempt On file
Duhig Construction INC 850667 Clear 21 Insured On file
C G G S Backhoe Service INC 857933 Clear 21 Exempt On file
B H M Construction LLC 900404 Clear 19 Insured On file
D E S Builders 904879 Clear 19 Insured On file
Bpi Oneroof 930054 Clear 17 Insured On file
Johnston General Engineering 930463 Clear 17 Insured On file
E Ponce & Sons 940841 Clear 16 Insured On file
Benchmark Civil Construction INC 957791 Clear 15 Insured On file
Hall Jason Construction INC 968967 Clear 14 Insured On file
Nova Probst A Joint Venture 1030871 Clear 9 Insured On file
M 3 General Engineering INC 1044455 Clear 8 Insured On file
Pridmore Construction LLC 1049908 Clear 7 Insured On file
Napa Recycling & Waste Services LLC 1052382 Clear 7 Insured On file
Pursell Brad General Engineering INC 1052652 Clear 7 Insured On file
Caddell Nova A Joint Venture 1066188 Clear 6 Insured On file
Dyer Corey W 1089598 Clear 4 Exempt On file
Pridmore R Engineering 1101513 Clear 3 Exempt On file
Levanta Ge 1123796 Clear 2 Exempt On file
Land & Sea Diving Services LLC 1128572 Clear 2 Exempt On file
Hydros Agritech INC 1129854 Clear 1 Exempt On file
Roots Strong Builder 1154113 Clear <1 Insured On file
Mc Glothern Paving & Grading 806869 Susp: contractor's bond 24 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 Napa?

CSLB's current public file lists 49 general engineering contractors with a Napa mailing address. 48 have a Clear status, and 89.8% 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 Napa, 65.3% of general engineering contractors list a policy, 34.7% 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.

Related

General Engineering Contractors in nearby cities

Other licensed trades in Napa

Guides