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Licensed General Engineering Contractors in Walnut Creek, California

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

  • 37licensed general engineering contractors
  • 36active (Clear)
  • 2.7%with a suspension
  • 35.1%workers' comp exempt
  • 15.6 yrsmedian time licensed
  • 70.3%corp / LLC / partnership (29.7% sole owner)
  • 0new in the last 12 months
  • —change tracking began November 1, 2026

Walnut Creek is home to 37 general engineering contractors in CSLB's license file, ranking #2 of 9 Contra Costa County cities for this trade. 97.3% are Clear.

The share with a suspension (2.7%) is close to the Contra Costa County rate for the same license (2.3%). About 35.1% report a workers' comp exemption, roughly the statewide norm for general engineering contractors.

0 of these licenses are less than a year old, while 64.9% have been held for 10 years or more. The median is 15.6 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 Walnut Creek

  1. Open the general engineering contractor's profile from the table below (or search Walnut Creek listings by name). Check that A appears among its classifications and that the primary status reads Clear. What A covers.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 2.7% of Walnut Creek listings here already show a suspension.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed general engineering contractor is required by law. See the $1,000 rule.

All 37 general engineering contractors in Walnut Creek

Walnut Creek 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 Walnut Creek
Business nameLicense #StatusYearsWorkers' compBond
Lyons W E Construction CO 180607 Clear 67 Insured On file
Brosamer Robert 267780 Clear 55 Insured On file
Seeno Thomas Albert 281272 Clear 53 Exempt On file
Wall Charles A 412142 Clear 45 Insured On file
Brown and Caldwell 445796 Clear 43 Insured On file
M E M Engineering 463645 Clear 42 Exempt On file
Ramos Mary A 492317 Clear 40 Exempt On file
Timmerman Engineering Construction 561795 Clear 37 Exempt On file
Alisto INC 652544 Clear 34 Insured On file
Aei Consultants 654919 Clear 34 Insured On file
Engineered Soil Repairs INC 668184 Clear 33 Insured On file
Ball Gordon N INC 710807 Clear 31 Insured On file
Brown and Caldwell Constructors 730831 Clear 29 Insured On file
Stephens Mechanical Corporation 775100 Clear 26 Insured On file
A M A C Construction & Restoration 796327 Clear 25 Insured On file
R C Underground INC 886390 Clear 20 Insured On file
Brown Construction 924572 Clear 18 Exempt On file
Eco - Chek Compliance INC 958763 Clear 15 Insured On file
Brosamer & Wall INC 978808 Clear 13 Insured On file
Mercoza 988861 Clear 12 Insured On file
Slr International Corporation 991727 Clear 12 Insured On file
Next Phase Construction INC 1001752 Clear 11 Insured On file
Beason Michelle D Construction 1010254 Clear 10 Exempt On file
A A Custom Construction Services A California Joint Venture 1029053 Clear 9 Exempt On file
Konstructo INC 1032050 Clear 9 Insured On file
Zero Waste Energy @ Davis Street An Urbaser Project LLC 1033875 Clear 8 Insured On file
Prospect Engineering INC 1048188 Clear 7 Exempt On file
Altor Construction LLC 1055950 Clear 7 Insured On file
Giron Construction Company 1065203 Clear 6 Exempt On file
Bwi/Tpc A Joint Venture 1077289 Clear 5 Insured On file
Canadian Solar Sses (us) INC 1079314 Clear 5 Insured On file
Stephens Mechanical of the Southwest LLC 1096358 Clear 4 Insured On file
Schaeffer Christopher R 1101897 Clear 3 Exempt On file
Dfconceal LLC 1128644 Clear 2 Exempt On file
Telecom Steel LLC 1133243 Clear 1 Exempt On file
Huff General Engineering 1138478 Clear 1 Insured On file
Linden Mark Allen 654758 Susp: contractor's bond 34 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 Walnut Creek?

CSLB's current public file lists 37 general engineering contractors with a Walnut Creek mailing address. 36 have a Clear status, and 78.4% 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?

CSLB issues the A General Engineering Contractor classification for this work. In Contra Costa County, 97.3% of Walnut Creek's holders are Clear right now. The license requirement starts at $1,000 per job (the minor-work 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 Walnut Creek, 64.9% of general engineering contractors list a policy, 35.1% 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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Guides