Mold Remediation in Hanover, PA

Hanover (17331, York County) shares Gettysburg's climate and most of its contractors, but the housing and the water are different. Here is what changes.

Housing in Hanover

Hanover is the biggest town in the area, with a 2020 borough population of 16,429 and about 24,000 housing units across the 17331 ZIP. It was founded in 1763, and 32.2% of the borough's 8,029 homes were built before 1940, with a median build year of 1956. Roughly two-thirds predate 1970.

Where the water comes from

Hanover has the most contractor coverage of any town in this guide. SERVPRO of West York / Hanover and Mason-Dixon Restoration are both based in the 17331 ZIP, and York-based firms like Advanced Air Quality Services and American Waterproofers treat Hanover as home territory. Expect shorter response times and fewer trip charges than in western Adams County.

Who serves Hanover

Post-war housing in Hanover often has block foundations rather than stone, which handle damp-proofing better but crack at the mortar joints. Finished basements from the 1970s and 1980s, with paneling and carpet over a slab, are where hidden mold most often turns up during a sale.

What it costs

Pricing tracks the Gettysburg ranges: $1,500 to $4,000 for a typical basement, $500 to $2,000 for a crawl space, $10 to $25 per square foot. See the full Adams County cost guide.

How to vet a contractor

Pennsylvania has no mold license. Check the PA HIC number, ask who holds IICRC AMRT or ACAC CMR credentials, insist on a written moisture plan, and use an independent tester for clearance. Full checklist: how to choose a mold contractor in PA. Full list: contractors serving Adams County.

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Sources: U.S. Census ACS 2020–2024 (B25034/B25035); Wikipedia and USGS Water Data for town and gauge facts; Fixr and Angi cost guides. Last reviewed September 15, 2026.