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Licensed General Engineering Contractors in San Mateo, California

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

  • 21licensed general engineering contractors
  • 21active (Clear)
  • 0%with a suspension
  • 28.6%workers' comp exempt
  • 23.3 yrsmedian time licensed
  • 81%corp / LLC / partnership (19% sole owner)
  • 1new in the last 12 months
  • —change tracking began November 1, 2026

San Mateo is home to 21 general engineering contractors in CSLB's license file, ranking #4 of 4 San Mateo County cities for this trade. 100% are Clear.

28.6% report a workers' comp exemption, 6.8 points lower than the statewide figure for general engineering contractors (35.4%), so many of these businesses say they have no employees. The share with a suspension, 0%, is 2.1 points lower than the San Mateo County rate for the same license (2.1%).

1 of these licenses is less than a year old, while 85.7% have been held for 10 years or more. The median is 23.3 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 San Mateo

  1. Find the business in the list below, or search all 21 San Mateo 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. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 0% of San Mateo 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. Ask for proof of workers' comp if anyone besides the owner will work on site. Hiring checklist.

All 21 general engineering contractors in San Mateo

San Mateo 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 San Mateo
Business nameLicense #StatusYearsWorkers' compBond
Gordon Kullberg & Son INC 325506 Clear 50 Insured On file
Amoroso S J Construction CO LLC 331024 Clear 49 Insured On file
Wilkinson Construction INC 593759 Clear 36 Insured On file
Thomas Ronald R 648280 Clear 34 Exempt On file
Almer Corp 657749 Clear 34 Exempt On file
J J R Construction INC 665645 Clear 33 Insured On file
Scapes INC 776147 Clear 26 Insured On file
Express Plumbing 778428 Clear 26 Insured On file
Raposo Manuel Construction Incorporated 789406 Clear 25 Insured On file
Opus Pacific Development INC 801858 Clear 24 Insured On file
H M W Development INC 822005 Clear 23 Insured On file
Fudo Construction Incorporated 860641 Clear 21 Insured On file
Scopazzi Greg 859291 Clear 21 Exempt On file
Hmi 940770 Clear 16 Exempt On file
Bay - Con Infrastructure 957819 Clear 15 Insured On file
Ncm Concrete 961178 Clear 15 Insured On file
Nejasmich INC 973148 Clear 14 Insured On file
Fitzgerald Tomas Construction INC 979673 Clear 13 Insured On file
Sequoia Outdoor Design & Build INC 1099847 Clear 3 Insured On file
Ramirez Mark Anthony 1110576 Clear 3 Exempt On file
Amoroso Overwatch Jv 1159821 Clear <1 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 San Mateo?

CSLB's current public file lists 21 general engineering contractors with a San Mateo mailing address. 21 have a Clear status, and 90.5% 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?

Look for A on the license. 21 businesses in San Mateo hold it. Small jobs under $1,000 with no permit and no employees are exempt; everything else needs a license (details).

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

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among San Mateo general engineering contractors, 28.6% are exempt (no employees), 71.4% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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