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Best Civil, Structural and Environmental Engineers near Castro Valley, CA
1 of these companies is based in Castro Valley; the others serve Castro Valley from towns including Pleasanton (10 mi), San Ramon (8 mi) and Oakland (10 mi).
1 open 24/7 · 5 open weekends · 13 rated 4.5+ · 1 shows a license
Data verified October 15, 2026
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Greenwood & Moore Inc
“We used Jeff and his team for a lot of work on a project in the protected Vargas Plateau region of Fremont.”
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Herzog Geotechnical
“No hesitation, you will just know he understands and can take care of your problem in an honest and professional manner.”
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Cal Engineering & Geology Inc
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California Engineering Contractors
“Great place for people who love the art of engineering”
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Meridian Associates
Listed for property owners in and around Castro Valley, CA, these 24 companies do engineering work for properties. Listings show the disciplines each firm names on its own website, from structural to civil site work and environmental assessment, with ratings and quotes from public reviews.
Area overview: Castro Valley, CA
18 of the 24 companies on this page have a rating, from 4.0 to 5.0 across 241 reviews; 1 has 50 or more reviews and 13 are rated 4.5 or higher. 1 is open around the clock; 5 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are civil engineering (2), forensic engineering (2) and geotechnical engineering (2). 1 shows a license on its website and 4 have a BBB rating of A or A+. Domain records put 21 websites of the companies on this page at ten or more years old; the oldest dates from 1996. 1 offers emergency call-outs; 3 give free estimates and 1 is family- or locally-owned. We have a website on file for all 24 of the companies on this page; 22 publish a contact page; 17 list a public email and 1 takes bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
How do I tell which firm suits a house?
Websites are listed for all 24 firms on this page. Look at project types. A practice geared to municipal infrastructure or industrial plants may not want a beam job, while a small residential structural firm will turn it round faster and cheaper. Say the scope plainly on the first call.
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Calgeotech Engineering
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Thermal Design Solutions
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JR Structural Engineering
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Jax Kneppers Associates Inc
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Geo-Engineering Solutions
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Bear Engineering
- Drainage
- Inspector
- Report
“The house inspection they performed for me as Trustee for a property I was preparing to list was thorough, and the detail in the forwarded report went above and beyond my expectations.”
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Express Plumbing & Sewer Services
- House
- Inspection
- Job
“We had them do two things for us, they inspected the house before we bought it, we figured it was safer to have it looked at by a plumber, and it was great.”
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E. A. Bonelli + Associates
“Always fabulous 😍 …”
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M+R Engineering Consultants
- Budget
- Questions
- Team
“M+R Engineering Consultants provided mechanical, electrical and plumbing engineering services for a 3500 square foot single family residence that my office was designing.”
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Lea & Braze Engineering
“Great civil engineering firm”
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Testing Engineers Inc
“Ive used this firm for years.”
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H C Structural Engineering Inc
- Project
- General Contractor
- Team
“It's our first time to build retaining walls, they spent lots of time explaining the engineering and construction problems we have, they gave so much information and comments which made us very confident with our decision.”
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AC Martin
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Boster Kobayashi & Associates
“Eye doctor labs have wonderful doctors great location and doctors that really care about your situation”
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Construction Testing Services
“This is were I took my ACI test for Concrete Strength Testing.”
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Shums Coda Associates
“Great place to work!”
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Applied Materials Engineering
“The service here is 2nd to none”
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Seifert Engineering
“👌 big machines 🪝🏳🚩🐰 …”
Civil & Structural Engineering Services in Castro Valley, CA Cost Estimates
Minimum cost
$217
Maximum cost
$1364
National Average
$530
Avg Per Hour Rates
$136
$350
$715
Average price range is based on 398 cost profiles
Why these companies made our list
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