Wyandotte, Michigan
Looking for a Wyandotte home inspector? We do certified home, commercial, mold and radon inspections in Wyandotte, seven days a week. Home inspection reports come back in 24 hours.
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Services

For buyers, sellers, and homeowners keeping an eye on the place they already own. On new construction we also do pre-drywall inspections and 11-month builder’s warranty inspections. Our certified inspectors walk every major system in your Wyandotte home and tell you plainly what they found — then put it in a photo-rich digital report within 24 hours.
Following the InterNACHI Standards of Practice:
Included free with every home buyer inspection— and none of them require us to sell your information.
SatisfactionIf you are unhappy with your inspector on the day of the inspection, before you have seen your report, tell us and we will make it right — or you owe us nothing.
30-Day WarrantyA free 30-day Guard home warranty trial, negotiated for you with no obligation. Activate it whenever you are ready.
$100 OffThe buyer’s protection guarantee: if the first home we inspect for you does not make it to the closing table, for any reason, we take $100 off any further home buyer inspection within 30 days of the original.
Optional services at an additional cost — not part of a standard inspection. Tap one to see what it covers.
A camera down the main sewer line, watching its condition from the inside — roots, breaks, bellies and blockages no visual inspection can find. More about sewer scope inspections
The wood-destroying organism report VA buyers are typically asked to provide, on the federal NPMA-33 form. Carried out during the same visit. More about Veterans WDO inspections
Up to five air samples sent to an accredited laboratory, added to the same appointment rather than booked as a second visit. More about mold inspection and testing
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Offices, retail, multifamily and warehouses in Wyandotte and across Wayne County. Know what condition a building is in before you sign — or stay ahead of problems in the one you already own. Reports in 24 to 72 hours depending on size.
Following the CCPIA commercial standards:
Commonly added to a commercial inspection at additional cost.
Commercial laterals are longer, older and carry more. A camera is the only way to see the condition of the one you are buying. More about sewer scope inspections
Air samples to an accredited laboratory, which matters most in buildings that have sat empty or had a roof or plumbing leak. More about mold inspection and testing
View a sample reportPDF, opens in a new tab
Add either to a Wyandotte home or commercial inspection, or book it on its own. We test and we never remediate, so there is nothing to sell you on the back of a result — the number you get is just the number.
Radon measured in house on a professional continuous monitor; mold samples to an accredited laboratory:
The other things worth testing while somebody is already there.
Carried out after remediation on the treated area and the areas next to it, to confirm what was found. More about mold inspection and testing
A damp basement can have several causes, and the buried sewer line is the one a visual inspection cannot check. A scope rules it in or out. More about sewer scope inspections
View a sample reportPDF, opens in a new tabWyandotte housing stock
Wyandotte has roughly 11,596 housing units and about 78% of them are single-family detached. The year a house went up decides more about what an inspection turns up than almost anything else about it, which is why it is where we start rather than where we finish.
More of it dates from the years before 1940 than from any other decade — 3,462 homes, roughly 30% of the town.
The median owner-occupied home here is valued at $147,900. Around 1,176 homes sit in two-to-four unit buildings, where a shared roof, a shared wall and sometimes a shared furnace mean the report has to be clear about where one unit stops.
This is not a forecast for any one address. It is where a Wyandotte home inspector starts in a home of this age — and whatever we actually find, it goes in the report with photographs.
Housing figures: US Census Bureau, American Community Survey 2022 five-year estimates.
When Wyandotte was built
91% of homes here run on utility gas. Another 180 use bottled or LP gas.
Local knowledge
Wyandotte inspects property when it is sold and when it is rented, and its rule is stated more broadly than most: the City requires inspections for all homes and commercial buildings that are being sold or rented.
The housing is genuinely old. Of roughly 11,596 units, about 30% predate 1940, 19% date from the 1940s and 28% from the 1950s — something like 77% built before 1960 — with a median build year of 1951 and around 78% single-family detached. A great many of these houses have been standing for eighty years or more.
That combination shapes the whole process here. The City is going to look at the property before you can occupy it, the building is old enough that something will almost certainly come up, and there is a documented route for handling outstanding items rather than losing the sale. All three are worth understanding before you make an offer.

Before you buy
Two inspections, two purposes
The City’s rule is unusually broad, and worth reading exactly as written.
The Engineering and Building Department states that the City requires inspections for all homes and commercial buildings that are being sold or rented. Those inspections are performed Monday through Thursday between 9am and 1pm, by appointment only, with all fees paid in advance; commercial inspections run on Friday mornings. The department’s own description of its work includes oversight of City ordinances for property sales, rental inspections and the five-year renewal of residential units.
That five-year figure is worth noting. Almost every rental cycle we have come across in this region runs on three years. Wyandotte runs on five, so a property may sit further from its next renewal than a buyer coming from a neighboring city would expect — or closer to it. Ask where a particular property stands.
The department also publishes an affidavit for assuming violations. That is the mechanism by which outstanding items found at inspection can be taken on rather than holding up a sale — useful, but it means a buyer can end up owning a list. Establish what is on it before you agree to anything.
None of that replaces a buyer’s inspection. The City is checking compliance with its codes so the property can change hands and be occupied. An inspection is commissioned by you and reports condition — roof, structure, foundation, drainage, electrical, heating and cooling, plumbing and the accessible interior, photographed and written up with how urgent each finding is. On housing this old, the second question is the one that governs what you spend the next few years doing.

Eighty years and counting
With roughly 30% of the housing built before 1940 and 77% before 1960, this is a city of houses that have outlived several generations of building practice.
A house of that age has had a roof, a heating system, a water heater and windows replaced multiple times or is overdue on all of them; its electrical service has usually been altered or upgraded at some point; and its plumbing may be a mixture of whatever was current at several different moments. That is not a criticism of the housing, it is simply what eighty years of ownership looks like.
What we will not do is reason from the build year to what is installed. On housing this old that reasoning is unreliable in both directions — some prewar Wyandotte houses have been thoroughly modernized, and some later ones have not been touched. The inspection establishes what is actually there and what condition it is in.
Water management is where older houses most often show their age, and it is entirely observable: accessible grading, gutters and downspouts and where they discharge, foundation conditions, the basement or crawlspace and sump equipment where present, documented as found rather than as originally built.

The public system
This is a useful thing to know about a city whose housing largely predates 1960.
Wyandotte’s Engineering and Building Department runs a sewer CIPP lining project. Cured-in-place pipe lining is a rehabilitation technique for aging sewers — a liner is installed inside the existing pipe and cured in place, restoring it without excavating the street. The department is also responsible, with public services, for the design, installation, inspection, maintenance and replacement of all public sewers.
What that tells a buyer is that the City is actively working on a system of the same vintage as its housing. What it does not tell you is anything about the private line running from a particular house, which is a separate pipe and a separate responsibility.
The department also publishes a property maintenance code, regulates short-term rentals on their own terms, and administers a Community Development Block Grant program and a scheme selling City-owned vacant parcels to builders and future homeowners. On an older housing stock, those are worth knowing exist.

The buried line
The City relining its public sewers does not reach the line between the house and that system.
That private lateral runs underground and no visual inspection can see inside it. On a house built before 1940 it has been in the ground for eight decades or more — ample time for tree roots to find a joint, for ground movement to displace a section, or for repairs to have been made that nobody now remembers. We will not name a material from a build year, because no authoritative source establishes what Wyandotte laterals are generally made of.
A sewer camera inspection records what is actually inside — roots, cracks, displaced joints, bellies or blockages where they exist, and a clear run where they do not. On a city inspection you will find out whether the property meets the code. On a camera inspection you find out what is in the pipe. They are different questions. It is added to the same visit.
Alongside it, commercial building inspections follow the CCPIA standard for offices, retail, multifamily and warehouse property, and radon testing or mold inspection and testing can be added to a residential or commercial visit.

Local information from City of Wyandotte — inspections, including upon sale and rental · City of Wyandotte — Engineering & Building Department · City of Wyandotte — department forms. Municipal requirements change — verify current details with the municipality.
Radon in Wayne County
Zone 3 is the lowest of the three EPA categories — the predicted average indoor level across the county is below 2 pCi/L. That puts Wyandotte at the calmer end of Michigan’s radon picture, which is worth saying out loud rather than glossing over. What a zone cannot tell you is anything about one house: 17% of tests actually run in Wayne County still came back at or above the EPA’s 4 pCi/L action level, which is about one in six. The zone describes a county. The only result that describes your basement is the one measured in it.
We place a continuous monitor for 48 hours and read the result on site — no mail-in kit, no lab wait. How radon testing works · Wayne County radon and inspection coverage
Zone from the EPA Map of Radon Zones. Elevated-result share from the Michigan Indoor Radon Program.
Why choose us
Five reasons people here pick us as their Wyandotte home inspector.
Family owned since 2009, more than 16,000 inspections completed and over 2,000 five-star reviews across Michigan. We also handle home buyer inspections, commercial building inspections, mold testing and radon testing.
We do not sell mold remediation or radon mitigation, so there is nothing to gain from a result that comes back bad. The number you get is just the number.
Radon, mold, sewer scope and wood-destroying organism inspections go on the same appointment as the home inspection rather than costing you a second morning.
Most people do, and it is the most useful hour of the whole purchase. Ask anything while we are standing in front of it.
InterNACHI and CCPIA certified, with four Certified Master Inspectors and National Home Inspector Examination passes on the team — none of which Michigan requires. The standards we inspect to are published and you can hold the work against them.
Including weekends, because inspection windows sit on closing dates and closing dates do not care what day it is.
Reviews
Ora from Trademark did an incredible job with the inspection and sewer scope of the home I am in the process of buying. He was very thorough, explained everything to me from the start, and made it all super easy to understand which definitely helped to put me at ease a bit more. Highly recommend this company!
Jim was prompt and thorough during the mold testing. Clearly gave us an explanation about mold and testing process he was going to conduct. Testing was followed by a written report. I would recommend everyone use a third party to test mold, independent from the company conducting remediation work. I would hire Trademark again and strongly recommend them.
Cowboy “Jim” just did Mold Testing in my parents’ basement. He was Professional, explained the what, how and yet of everything to my Senior parents. Our results came back super quick. He even referred us to the resources on the Trademark website for me to use to fix the leaky basement. It’s 1 stop shopping with Trademark.
What happens
Questions
Yes, and the rule is broader than most. The City states that it requires inspections for all homes and commercial buildings that are being sold or rented. Sale and rental inspections are performed Monday through Thursday between 9am and 1pm, by appointment only, with all fees paid in advance; commercial inspections run on Friday mornings. That is a narrow booking window in a busy season, so arrange it early rather than in the closing weeks.
There is a documented route for it. The Engineering and Building Department publishes an affidavit for assuming violations, which allows outstanding items to be taken on rather than holding up the transaction. The practical warning is the obvious one: if that route is used in your purchase, you are agreeing to inherit a list of items. Establish exactly what is on it, and what each item involves, before you sign. An independent inspection is what tells you whether that list is modest or serious.
On a five-year cycle. The Engineering and Building Department describes its work as including oversight of City ordinances for property sales, rental inspections and the five-year renewal of residential units. That is longer than the three-year cycle most neighboring communities in this region use, so a property may sit further from its next renewal than a buyer arriving from another city expects — or closer to it. Ask where the particular property stands.
Older than most of the region. Of roughly 11,596 housing units, about 30% predate 1940, 19% date from the 1940s and 28% from the 1950s — roughly 77% built before 1960 — with a median build year of 1951 and around 78% single-family detached. A great many of these houses have stood for eighty years or more, which means everything in them has been replaced at least once or is overdue. Which is true for a particular house is not something the build year can tell you.
Yes. Wyandotte runs a sewer CIPP lining project — cured-in-place pipe lining, where a liner is installed inside an existing sewer and cured in place, rehabilitating it without excavating the street. The Engineering and Building Department is also responsible, alongside public services, for the design, installation, inspection, maintenance and replacement of all public sewers. What that work does not reach is the private line running from an individual house to the public system, which remains a separate pipe and a separate responsibility.
On this housing stock it is worth serious consideration. With around 30% of the city built before 1940 and 77% before 1960, a great many private laterals here have been in the ground for eighty years or more. The line is buried, no visual inspection can see inside it, and we would not guess a material from a build year — no authoritative source establishes what Wyandotte laterals are generally made of. The City’s own inspection tells you whether the property meets code; putting a camera down the line tells you what is actually in the pipe. It is added to the same appointment.
Yes. You can book a Wyandotte home inspector with us seven days a week, and we cover the rest of Wayne County too.
A home inspection report reaches you within 24 hours. Commercial buildings are 24 to 72 hours depending on size, a radon result comes at the end of the 48-hour test, and mold samples come back from the lab in one to three business days.
More on cost, timing and what is included on the FAQ page.

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