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Home Inspectors in Ann ArborMI

6 certified inspectorsSearch all Michigan
Radon: Zone 1 — High Risk· State-level data

Ann Arbor has a housing market shaped by the University of Michigan, which means properties range from historic early-1900s homes near campus to post-war ranches in surrounding neighborhoods and newer construction in outer areas of the city and township. In the older segments of the market, lead paint, original knob-and-tube or aluminum wiring, and galvanized supply lines are all inspection priorities. Radon is a concern throughout Washtenaw County, and testing is standard practice in most local real estate transactions. Basement moisture is common in clay-soil areas and older homes where original waterproofing has degraded. Ice dam formation during Michigan winters can cause significant damage to roof sheathing, insulation, and interior ceilings, so attic insulation and ventilation are closely evaluated. The competitive Ann Arbor market makes it tempting to waive contingencies, but a proper inspection protects buyers from costly surprises in a high-price environment. There are 6 inspectors in the Ann Arbor area.

Seasonal Inspection Tip for Michigan
Spring Thaw Reveals Foundation Damage in the Midwest

Spring thaw reveals foundation damage hidden all winter. Water infiltration, bowing basement walls, and heaved floors are all easier to spot in March and April before the ground dries out. Request a foundation-focused inspection with attention to drainage grading and downspout routing.

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6 certified inspectors available in Ann Arbor

All Home Inspectors in Ann Arbor, MI

Radon Risk in Ann Arbor, Michigan

State-level EPA data — county data not available for this area

EPA Zone 1 (state-level data) — radon testing is strongly recommended. Predicted average indoor radon levels exceed 4 pCi/L, the EPA action level. Ask your inspector about radon testing as an add-on.

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Inspection Priorities in Ann Arbor, MI

Based on regional environmental and infrastructure data

MI Risk Profile
R
Radon Testing in Ann ArborHIGH

Michigan is EPA Zone 1 in the Lower Peninsula; glacial soils rich in uranium and radium produce above-action-level radon across Grand Rapids, Lansing, and many rural counties.

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S
Sewer Scope in Ann ArborHIGH

Detroit, Flint, and older Michigan cities have clay and Orangeburg sewer pipe from the 1940s-60s that is failing at scale; sewer scope inspection is standard practice.

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M
Mold Inspection in Ann ArborMODERATE

Great Lakes proximity creates high year-round humidity; basement flooding is common in Southeast Michigan, driving significant mold inspection demand.

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Common Home Issues in Ann Arbor, MI

Based on regional construction history and climate, home inspectors in Ann Arbor frequently report these issues.

Radon Gashigh

Michigan has elevated radon across much of the Lower Peninsula due to uranium-bearing glacial till and sandy soils. West Michigan counties (Kent, Ottawa, Allegan) consistently show elevated readings. Testing is standard practice.

Basement Water in Sandy/Clay Soilshigh

Michigan's varied glacial geology — sandy soils in the west and heavy clay in the southeast — both create basement moisture challenges. Wayne, Oakland, and Macomb county homes frequently show evidence of seepage and prior waterproofing.

Knob-and-Tube Wiringhigh

Detroit and its older suburbs — Dearborn, Ferndale, Royal Oak, Ann Arbor — have a large stock of pre-1940 housing with knob-and-tube electrical. Inspectors should note system age, coverage, and insulation contact violations.

Roof Condition: Ice Dam Damagemedium

Michigan's cold winters and marginal attic insulation in older homes produce chronic ice dam damage at eaves. Water staining on interior ceilings, damaged fascia, and wet insulation are common signs. Proper attic air sealing and insulation depth are critical.

Sewer Lateral — Clay Pipe Failuremedium

Older Michigan cities have clay and cast-iron sewer laterals that crack and allow root infiltration over time. Detroit and older suburban municipalities have documented sewer infrastructure issues that extend to individual service laterals.

Housing Age Profile — Ann Arbor

Based on US Census ACS 2022 data. Older homes often require specialized inspection for lead paint, asbestos, knob-and-tube wiring, and aging mechanical systems.

64.6%of homes built before 1978

High proportion of pre-1978 homes — federal law requires lead paint disclosure. Ask your inspector about lead paint and asbestos testing.

Pre-1940
15.1%
1940s
4.6%
1950s
10.9%
1960s
18.2%
1970s
15.8%
1980s
11.2%
1990s
11.9%
2000s
6.1%
2010s
5.7%
2020+
0.5%
Peak era: 1960s
Built after 2000: 12.3%
Pre-1940 homes: 15.1%

Resources for Ann Arbor Home Buyers

Home Inspection FAQs — Ann Arbor, MI

How much does a home inspection cost in Ann Arbor?

Home inspection costs in Ann Arbor, Michigan typically range from $300 to $600 for a standard single-family home. Larger homes, older properties, and specialty services like radon testing ($100–$200) or mold inspection ($300–$500) will add to the base price.

What certifications should a home inspector in Ann Arbor have?

Look for InterNACHI, ASHI, or NAHI certification. InterNACHI is the world's largest inspector association with 30,000+ members. ASHI, founded in 1976, is the oldest. All three require passing exams and continuing education.

How long does a home inspection take in Ann Arbor?

A standard home inspection takes 2–4 hours for an average home. Larger or older properties may take 4–6 hours. You'll receive a detailed written report, usually within 24 hours of the inspection.

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