Stair-step cracks and block walls
Veneer cracks along the mortar joints and doors that stick each autumn are the usual first signs on 1970s and 1980s homes. An engineer’s opinion comes only from an Alabama-licensed professional engineer.
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Hazel Green sits about 15 miles north of Huntsville where US 231/431 meets Joe Quick Road and West Limestone Road, with the Flint River along its northeast edge. The legislature incorporated the town on June 15, 1821 with about 400 residents; it has been a Census-designated place since 1980.
The American Community Survey (ACS 2024 5-year) counts 3,940 residents and puts the median year built at 1991. Some 62.1 percent of homes went up between 1970 and 1999, the highest 1970s–90s share of any community on this site, with 24.6 percent built since 2000 and 1.6 percent before 1940. Tenure (ACS table B25003) is 87.5 percent owner-occupied across 1,355 occupied units; the units-in-structure table (B25024) shows 88.8 percent single-family detached and 7.2 percent mobile homes. Across the wider 35750 ZIP code the mobile-home share rises to 21.5 percent.
Most Hazel Green foundations are therefore 30 to 55 years old. Slab, crawl space and basement homes are all built here; no source gives the share of each.
Veneer cracks along the mortar joints and doors that stick each autumn are the usual first signs on 1970s and 1980s homes. An engineer’s opinion comes only from an Alabama-licensed professional engineer.
With 54.29 inches of rain a year and 15.5 days of an inch or more (NOAA 1991–2020 normals), a crawl space that takes on water each winter rots joists and lets block piers settle.
Shimming pier-set homes and driving push or helical piers under settled footings are the two ends of the trade.
USDA NRCS SSURGO data make Barfield and Decatur the two largest soil series in Madison County; about 17.5 percent of the county’s surveyed acreage is in soils rated high or very high for shrink-swell and about 26.9 percent moderate. No lot-level map was pulled for Hazel Green, so ask the contractor about your own parcel.
Per the county’s published summary, the Madison County Inspection Department (266-A Shields Road, Huntsville; 256-746-2950) requires a permit for repairs or alterations costing $1,000 or more under the 2018 International Residential Code with local amendments; the contractor pulls it. Never accept a promise that no permit is needed. Alabama requires a Home Builders Licensure Board (HBLB) residential home builder license for home repairs over $10,000 (Ala. Code §34-14A-2(16)), the unlimited license for structural work; jobs under $10,000 need none. Ask for the company’s HBLB license number and check it on the HBLB lookup before signing. For typical price ranges, see the cost guide.
Hazel Green is unincorporated, so permits come from the Madison County Inspection Department rather than a city office. Per the county’s published summary, repairs or alterations costing $1,000 or more need a permit, with footing and foundation among the inspection types. The repair company pulls it; never assume no permit is needed.
Yes. Pier-set manufactured homes are 7.2 percent of units in the Hazel Green CDP and 21.5 percent across ZIP 35750 (ACS 2024 5-year, table B25024), so local companies see this work often. Re-levelling with shims is typically $1,000–$3,500 in national guides. Ask for a written scope naming which piers move.
NOAA’s 1991–2020 normals for Huntsville International Airport make September the driest month at 3.49 inches and December the wettest at 5.87. Clay subsoils shrink through a dry late summer and swell in winter, and brick and block often crack at the turn. The 2007 and 2016 dry falls were followed by wet years.
Alabama requires an HBLB residential home builder license for any home repair over $10,000 (Ala. Code §34-14A-2(16)), and the HBLB says work affecting structural integrity needs the unlimited license. Jobs under $10,000 need none. Ask for the company’s HBLB license number and check it on the HBLB lookup before signing.
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