Crawl Space Repair in Petaluma, California
Reviewed by Michael Peterson· Licensed Home Inspector
27 crawl space companies serve Petaluma, California, together holding 1,106 customer reviews. Under The House. is the highest-rated at 5.0★ (66 reviews). Local crawl space repair typically runs $1,450–$6,100, and full encapsulation $2,850–$7,700. The most common services offered here are crawl space repair, foundation repair, insulation.
Find trusted local contractors for crawl space encapsulation in Petaluma, waterproofing in Petaluma, mold removal in Petaluma, and more in Petaluma.
Local Price Estimates — Petaluma
* 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 Petaluma
150 Madrigal St, Rohnert Park, CA 94928, USA
4 reviews
3100 Dutton Ave Ste. 142E, Santa Rosa, CA 95407, USA
60 reviews
1133 Piner Creek Dr, Santa Rosa, CA 95401, USA
66 reviews
9472 Wellington Cir, Windsor, CA 95492, USA
28 reviews
1370 Industrial Ave ste g, Petaluma, CA 94952, USA
4 reviews
431 Payran St Suite 100, Petaluma, CA 94952, USA
1 reviews
84 Eucalyptus Rd, Petaluma, CA 94952, USA
10 reviews
121 Lakeville St, Petaluma, CA 94952, USA
2 reviews
1320 Commerce St # A, Petaluma, CA 94954, USA
14 reviews
399 Business Park Ct Unit 518, Windsor, CA 95492, USA
218 reviews
121 Lakeville St, Petaluma, CA 94952, USA
7 reviews
595 Portal St, Cotati, CA 94931, USA
112 reviews
755 Baywood Dr floor 2, Petaluma, CA 94954, USA
37 reviews
22 Digital Dr Suite 1, Novato, CA 94949, USA
65 reviews
County Fire & Water damage restoration division, 1375 Petaluma Blvd N, Petaluma, CA 94952, USA
82 reviews
450 Lakeville St # D, Petaluma, CA 94952, USA
17 reviews
7250 Redwood Blvd Suite 300, Novato, CA 94945, USA
10 reviews
1305 N Dutton Ave, Santa Rosa, CA 95401, USA
39 reviews
1813 Rutan Dr Unit A, Livermore, CA 94551, USA
209 reviews
320 1st St, Petaluma, CA 94952, USA
11 reviews
67 Galli Dr Suite C, Novato, CA 94949, USA
5 reviews
19655 Arnold Dr, Sonoma, CA 95476, USA
0 reviews
FAQs — Crawl Space Services in Petaluma
How much does crawl space repair cost in Petaluma?
Crawl space repair in Petaluma, California typically costs between $1,450 and $6,100, depending on the extent of damage and services required. With 27 local companies to compare, getting 2–3 quotes usually saves 15–30%.
How much does crawl space encapsulation cost in Petaluma?
Crawl space encapsulation in Petaluma typically costs between $2,850 and $7,700. The price depends on the size of your crawl space and the materials used.
Who is the top-rated crawl space company in Petaluma?
Under The House. is the highest-rated crawl space contractor in Petaluma with a 5.0★ rating from 66 reviews. Clean CrawlSpace Inc. (5.0★, 60 reviews) is also highly rated. Ratings shown are from public customer reviews.
How many crawl space contractors serve Petaluma?
27 crawl space companies are listed for Petaluma. The average local rating is 4.7★ across 1,106 reviews. Contractors in nearby San Francisco and Sacramento also serve the area.
What crawl space services are available in Petaluma?
Petaluma 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 Petaluma 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 Petaluma-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 Petaluma:
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Helpful Guides
Pro Tip
Prices vary by location, crawl space size, and severity. Always get 2–3 quotes before hiring.