Commercial Mold Inspection

Discreet mold and moisture assessment for offices, retail, hospitality, and industrial spaces. Reports built for operations teams, insurance files, and tenant communication.

Overview

Commercial mold inspection for occupied buildings

Commercial properties carry pressures that homes don't: dense occupancy, complex HVAC, building-envelope risks at scale, and a constant need to keep disruption low. Our commercial mold inspection accounts for how your building really operates, covering the tenant-facing areas alongside mechanical rooms, storage, loading docks, and shared corridors, while keeping communication clear for the facilities team, property managers, and ownership. We identify water sources and conditions that lead to mold, use the professional tools that add useful clarity, and produce reporting suitable for internal risk review, insurance documentation, or coordination with the remediation vendor you eventually pick. Inspection and testing sit entirely separate from remediation work, which is what keeps the guidance independent.

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Commercial mold inspection for occupied buildings

Coverage

The commercial properties we cover

Commercial mold inspection scope adapts to building footprint, hours of operation, and the systems moving air and water through the property

Office and professional buildings

Multi-tenant offices, professional suites, and corporate campuses. Inspections scheduled around your operating hours to minimize tenant disruption.

Retail, restaurants, and mixed-use

Storefronts, restaurants, and ground-floor retail with residential above. Moisture sources here often involve HVAC, refrigeration condensation, or kitchen exhaust issues.

Warehouses and light industrial

Larger footprints, roof and envelope exposures, and storage conditions that create unique moisture risks. Reporting structured for facilities and EHS teams.

Hotels, HOAs, and multi-site portfolios

Hospitality properties, HOA-managed communities, and multi-site portfolios get consistent inspection processes across every location, with consolidated reporting.

Proven Trust

365+ operators trust us with their commercial mold inspection

From single-location businesses to regional portfolios, clients pick us for predictable scheduling, 24/7 emergency response, professional inspector conduct on site, and reports that translate findings into clear next steps without pushing remediation services.

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Mold inspection Ann Arbor FAQ

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Ann Arbor's student rental market is concentrated in older homes near campus that see high occupancy, rapid tenant turnover, and inconsistent maintenance between leases — conditions that let mold develop and persist unnoticed. The most common trouble spots are basements used as extra bedrooms or storage, bathrooms with poor ventilation and heavy shared use, and window and exterior-wall areas in homes with aging weatherproofing. Because leases often turn over in a single August week, problems left by the previous tenants can carry into the next lease without ever being addressed. A quick mold inspection before signing — or right after a reported leak — protects the tenants' health and the deposit, and gives documentation if a dispute arises with the landlord.

The Old West Side Historic District, with most of its homes built between 1860 and 1914, is representative of Ann Arbor's oldest stock — Queen Anne Victorians, Craftsman bungalows, and Tudors that have stood for a century or more. Homes of this age typically have original stone or block basement foundations that predate modern waterproofing, aging plaster wall assemblies that hold moisture, and roof and attic systems modified many times. Because the district is on the National Register and locally regulated, exterior changes are reviewed, which can make drainage, window, and ventilation upgrades slower to carry out — so moisture tends to accumulate. An inspection of a historic Ann Arbor home focuses on the original basement, attic ventilation, and any additions or conversions.

Yes. Allen Creek is a largely enclosed urban drainageway whose downstream reach, near its outlet to the Huron River, is undersized — the roughly 90-year-old enclosure handles only about a 2-year storm, and modeled 100-year flood depths reach 8 to 9 feet in the commercial and residential areas near the discharge. Properties in the mapped floodplain, including parts of downtown and the lower-elevation neighborhoods, carry both direct flood risk and chronic groundwater exposure, and high Huron River levels can flood Island Drive and Canal Street apartments. Any home or building in the Allen Creek floodplain or near the river that took on water — or hasn't had a recent basement assessment — should be a priority for inspection.

They do. Ann Arbor's cold, snowy winters drive freeze-thaw cycling and ice dams — ridges of ice that form at the roof edge when attic heat melts snow that refreezes at the eaves. Ice dams back water up under shingles and into the roof deck, wall tops, and ceilings, where it feeds mold that isn't visible until staining or odor appears indoors. Older Ann Arbor homes are especially vulnerable because their attic insulation and ventilation often predate modern standards, letting warm air reach the roof sheathing and condense there in winter. Checking the attic and upper walls after a hard winter, and correcting ventilation, is part of keeping these homes mold-free.

Ann Arbor's established neighborhoods are full of pre-1960 homes with original stone or block basement foundations that were never built to modern waterproofing standards. After decades of Michigan groundwater pressure, freeze-thaw cycling, and heavy spring snowmelt, seepage through foundation walls and floor slabs is common, and many of these basements are finished or used for storage in ways that trap the resulting dampness. Because the moisture load is chronic rather than a single dramatic leak, mold can grow behind paneling, under carpet, and along sill plates for years unnoticed. A basement moisture assessment distinguishes normal older-home dampness from an active drainage or foundation problem that needs correction.

A large share of Ann Arbor's rental stock is older single-family homes divided into multiple units for students and young professionals. These conversions often add bathrooms, kitchens, and bedrooms in basements and attics — the very spaces most prone to moisture — and route new plumbing through old walls, creating hidden leak paths. High combined occupancy raises indoor humidity, and a moisture or mold problem in one unit can migrate through shared walls and floors into another. For owners and managers, inspection between tenancies and after any reported leak catches these issues before they spread; for tenants, it documents conditions at move-in.

Because so much of Ann Arbor's housing is pre-1960 — and in historic districts, often pre-1914 — a pre-purchase inspection here goes beyond a surface walkthrough. The key areas are the original stone or block basement for seepage and past water staining, the attic for ice-dam damage and ventilation-related condensation mold, and any basement or attic converted to living space where older water damage may have been covered over. If the property is a former or current rental, it's worth checking added bathrooms and kitchens for hidden leaks, and confirming floodplain status near Allen Creek or the Huron River. An independent inspection — with no stake in remediation — gives a clear moisture picture before closing.

Contact

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Location

24H Mold Inspection of Ann Arbor

Phone

(734) 706-4508

info@24hmoldinspection.com

Service area neighborhoods

Kerrytown
Burns Park
Old West Side
Water Hill
Germantown
Lower Burns Park
Northeast Ann Arbor
Pittsfield Township (adjacent)