Crawl Space Repair in San Lorenzo, California
Reviewed by Michael Peterson· Licensed Home Inspector
28 crawl space companies serve San Lorenzo, California, together holding 4,294 customer reviews. American Attic is the highest-rated at 5.0★ (222 reviews). Local crawl space repair typically runs $1,500–$6,000, and full encapsulation $3,000–$8,000. The most common services offered here are crawl space repair, foundation repair, insulation.
Find trusted local contractors for crawl space encapsulation in San Lorenzo, waterproofing in San Lorenzo, mold removal in San Lorenzo, and more in San Lorenzo.
Local Price Estimates — San Lorenzo
* Estimates based on local market rates. Get free quotes for exact pricing. See the full repair cost guide, encapsulation cost guide, or cost calculator.
Crawl Space Contractors in San Lorenzo
407 California Ave Unit 10, Palo Alto, CA 94306, USA
17 reviews
1255 Treat Blvd suite 300, Walnut Creek, CA 94597, USA
30 reviews
39355 California St Suite 201A, Fremont, CA 94538, USA
43 reviews
815 Arnold Dr #2, Martinez, CA 94553, USA
41 reviews
303 Twin Dolphin Dr 6th. Floor, Redwood City, CA 94065, USA
50 reviews
5464 College Ave B, Oakland, CA 94618, USA
8 reviews
9472 Wellington Cir, Windsor, CA 95492, USA
28 reviews
25005 Viking St, Hayward, CA 94545, USA
1 reviews
3051 Quantum Dr #2411, Fremont, CA 94538, USA
23 reviews
3100 Dutton Ave Ste. 142E, Santa Rosa, CA 95407, USA
60 reviews
37310 Cedar Blvd Suite H, Newark, CA 94560, USA
504 reviews
889 Delano St, San Lorenzo, CA 94580, USA
33 reviews
660 McClary Ave, Oakland, CA 94621, USA
12 reviews
19975 Anita Ave, Castro Valley, CA 94546, USA
14 reviews
303 W Joaquin Ave Unit #103, San Leandro, CA 94577, USA
438 reviews
2495 Washington Ave, San Leandro, CA 94577, USA
89 reviews
2536 Barrington Ct, Hayward, CA 94545, USA
51 reviews
3478 Buskirk Ave, Pleasant Hill, CA 94523, USA
48 reviews
7172 Regional St #114, Dublin, CA 94568, USA
10 reviews
14855 Wicks Blvd, San Leandro, CA 94577, USA
51 reviews
1813 Rutan Dr Unit A, Livermore, CA 94551, USA
209 reviews
67 Galli Dr Suite C, Novato, CA 94949, USA
5 reviews
25000 Industrial Blvd, Hayward, CA 94545, USA
50 reviews
FAQs — Crawl Space Services in San Lorenzo
How much does crawl space repair cost in San Lorenzo?
Crawl space repair in San Lorenzo, California typically costs between $1,500 and $6,000, depending on the extent of damage and services required. With 28 local companies to compare, getting 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in San Lorenzo?
Crawl space encapsulation in San Lorenzo typically costs between $3,000 and $8,000. The price depends on the size of your crawl space and the materials used.
Who is the top-rated crawl space company in San Lorenzo?
American Attic is the highest-rated crawl space contractor in San Lorenzo with a 5.0★ rating from 222 reviews. Rywen Insulation Inc (5.0★, 162 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve San Lorenzo?
28 crawl space companies are listed for San Lorenzo. The average local rating is 4.8★ across 4,294 reviews. Contractors in nearby San Francisco and Sacramento also serve the area.
What crawl space services are available in San Lorenzo?
San Lorenzo contractors most commonly offer crawl space repair, foundation repair, insulation, alongside repair, insulation, cleaning, and inspection. Compare providers above to see who offers what.
What should San Lorenzo homeowners know before hiring a crawl space contractor?
Even in dry climates, a vapor barrier on the crawl space floor is recommended. It blocks soil gas (including radon), reduces dust, and prevents the rare but damaging moisture event from causing mold. Always verify licensing and insurance, and get itemized quotes from at least two San Lorenzo-area companies before signing.
Crawl Space Concerns in California
While the Southwest is dry most of the year, the combination of expansive soils and occasional heavy rain creates unique foundation challenges. Homes with crawl spaces benefit from proper drainage and vapor barriers, even in arid climates, to protect against monsoon moisture and soil gas.
Local Tip — California
Even in dry climates, a vapor barrier on the crawl space floor is recommended. It blocks soil gas (including radon), reduces dust, and prevents the rare but damaging moisture event from causing mold.
Recommended services for San Lorenzo:
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Helpful Guides
Pro Tip
Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.