Clawson, Michigan

Home & Commercial Inspections in Clawson, MI

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

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Services

What your Clawson home inspector checks

Curt Markham, a Clawson home inspector with Trademark Inspection Services, checking plumbing under a kitchen sink during a home inspection

Home Inspections in Clawson

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 Clawson home and tell you plainly what they found — then put it in a photo-rich digital report within 24 hours.

We inspect

Following the InterNACHI Standards of Practice:

  • Roof, structure, and exterior
  • Attic, insulation, and ventilation
  • HVAC, electrical, and plumbing
  • Built-in appliances and safety issues
Explore home inspections

Included free with every home buyer inspection— and none of them require us to sell your information.

  • Trademark Inspection Services 100% satisfaction guarantee badgeSatisfaction

    If 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.

  • Guard Home Warranty 30-day trial badge, included free with every home buyer inspection30-Day Warranty

    A free 30-day Guard home warranty trial, negotiated for you with no obligation. Activate it whenever you are ready.

  • Trademark Inspection Services buyer protection guarantee badge$100 Off

    The 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.

Also available

Optional services at an additional cost — not part of a standard inspection. Tap one to see what it covers.

  • Sewer camera inspections

    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

  • Veterans WDO 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

  • Mold air testing add-on

    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

Cover page of a sample Trademark Inspection Services home inspection reportView a sample reportPDF, opens in a new tab
Commercial inspector on a flat roof checking rooftop HVAC equipment in Southeast Michigan

Commercial Building Inspections in Clawson

Offices, retail, multifamily and warehouses in Clawson and across Oakland 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.

We inspect

Following the CCPIA commercial standards:

  • Roof covering, drainage and rooftop equipment
  • Structural frame and building envelope
  • Electrical service and distribution
  • Mechanical, plumbing and life-safety systems
Explore commercial inspections

Also available

Commonly added to a commercial inspection at additional cost.

  • Sewer camera inspections

    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

  • Mold air testing

    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

Cover page of a sample Trademark Inspection Services commercial inspection reportView a sample reportPDF, opens in a new tab
Trademark Inspection Services inspector setting up a continuous radon monitor for a 48-hour radon test in a Southeast Michigan home

Mold and Radon Testing in Clawson

Add either to a Clawson 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.

How each one works

Radon measured in house on a professional continuous monitor; mold samples to an accredited laboratory:

  • Radon: 48-hour continuous monitor, read on site
  • No mail-in radon kit and no waiting on a laboratory
  • Mold: laboratory results in one to three business days
  • Either can go on the same visit as the inspection
Explore radon testing

Also available

The other things worth testing while somebody is already there.

  • Post-remediation mold verification

    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

  • Sewer camera inspections

    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

Cover page of a sample Trademark Inspection Services radon reportView a sample reportPDF, opens in a new tab

Clawson housing stock

The median Clawson home was built in 1958

Clawson has roughly 6,037 housing units and about 74% of them are single-family detached. Age is the most useful single fact about a house before anyone has seen it. It narrows down what is worth checking first, and it is why two places of much the same size can need quite different inspections.

If the town has a defining decade it is the 1950s, which accounts for 2,459 homes, around 41% of the housing stock.

The other numbers

The median owner-occupied home here is valued at $237,000.

  • 100-amp services and original panelsWe record the size, the brand and the condition. Some panels of this era have their own known history.
  • Unlined and single-wall chimneysFlues built for one appliance have often been asked to serve a different one since. The liner, or the absence of one, is the thing to establish.

Treat this as a starting list, not a diagnosis. A Clawson home inspector checks these things early in a home of this age and then records what is genuinely there, which is often not what the era would suggest.

Housing figures: US Census Bureau, American Community Survey 2022 five-year estimates.

When Clawson was built

  • Pre-194010%
  • 1940s7%
  • 1950s41%
  • 1960s17%
  • 1970s12%
  • 1980s5%
  • 1990s6%
  • 2000s2%
  • 2010s<1%
  • 2020s<1%

84% of homes here run on utility gas, and 9 still heat with oil. If yours is one of them, the tank is the thing to ask about — where it is, and whether it was ever buried. Another 100 use bottled or LP gas.

Local knowledge

What makes inspecting a Clawson property different?

Clawson publishes exactly what its Certificate of Occupancy covers, and the useful part is what is missing from the list.

A certificate is required before use for all commercial property, for new home construction, and for vacant and abandoned property identified under the City’s ordinances. An ordinary house changing hands is not on that list. Several cities within a few miles of here do run residential point-of-sale inspections, so it is worth knowing that Clawson, on its own published scope, does not.

What it does run is a rental license that turns on an exterior inspection — which is unusual, and which changes how much a rental certificate here actually tells a buyer.

The housing is concentrated: of about 6,037 units, roughly 2,459 — some 41% — were built in the 1950s, with 999 from the 1960s and 606 predating 1940. Around 74% is single-family detached.

Certified inspector reviewing an inspection report with a buyer and their agent

Before you buy

Buying a property in Clawson? Pay attention to these four things

  • No certificate needed on an ordinary resale

    The City’s Certificate of Occupancy covers commercial property, new construction and vacant or abandoned property. A house changing hands is not on that list.
  • The rental certificate is exterior-only

    A rental license is issued after a successful exterior inspection. Nobody municipal has necessarily looked inside, so the certificate says nothing about the interior.
  • Vacant property costs monthly

    Owners of abandoned residential structures must register and pay a monthly administration fee — and the City states no prior notice to the owner is required.
  • The City is closed on Fridays

    Municipal Building and DPW both run Monday to Thursday, and trade inspections sit in narrow windows on Tuesday to Thursday. Plan work around it.

The rental certificate

Why an exterior inspection changes what the paperwork means

This is the detail on the page most likely to change a decision, and it is easy to read past.

Under the City’s rental requirements, any landlord in the business of leasing dwellings must apply for a bi-annual license — every two years — under Chapter 18 of the Clawson Code. On successful completion of an exterior inspection of the property, and proper registration, a Rental Certificate is issued for two years.

An exterior inspection. Every other rental program we have researched sends somebody inside to look at smoke alarms, egress, heating, electrical and the general condition of the living space. Clawson’s certificate is issued on what can be seen from outside the building.

That is not a criticism of the City — an exterior standard is a legitimate policy choice and it is applied consistently. But it matters enormously to a buyer, because a current rental certificate on a Clawson property is evidence about the outside of the building and nothing else. If you are buying income property here and you were treating that certificate as reassurance about the interior, it is not.

That gap is exactly what a buyer’s inspection fills: the roof, structure, foundation, drainage, electrical, heating and cooling, plumbing and the accessible interior, reported as found — what is failing, what is near the end of its service life and what to plan for.

Certified Master Inspector Curt Markham examining the roof edge and fascia of a low-slope roof

Vacant property

A monthly fee, and no notice required

If the property you are considering has been standing empty, this is worth understanding before you take it on.

The City’s ordinances treat vacant and abandoned structures as neighborhood blight, on the reasoning that they lower property values, undermine housing conditions and neighborhood life, affect public health and safety, can result in injury and criminal activity, and consume a disproportionate share of the City’s administrative and enforcement resources.

The obligations follow from that. Owners of abandoned residential structures must register them with the City and pay a monthly administration fee. The City states that the duty to register does not require prior notice from the city to the owner — so the clock does not start when somebody tells you. And registering does not protect the property: the City expressly reserves the right to secure it, to order repairs, to abate dangerous, hazardous or unlawful conditions, and to act on an imminent hazard.

A Certificate of Occupancy is also required for vacant and abandoned property before it can be used again, which puts an inspection on the path back to occupancy.

And a building that has stood empty inspects differently from one that has been lived in. Dry traps, idle heating, plumbing that has been through a winter without heat, a roof nobody has been under and water entry nobody has noticed all show up in ways that reward a careful look.

Home inspector checking kitchen sink plumbing and water flow during an inspection

Timing

A four-day city with three-day trades

If your plan involves work after closing, Clawson’s schedule needs to be in the plan from the beginning.

The Municipal Building runs Monday to Thursday and is closed on Fridays; so is the Department of Public Works. Inspections must be scheduled by 3:00 pm to make the following day’s list. Within that, electrical inspections happen Tuesdays and Thursdays between 9 and 11 in the morning; plumbing Tuesdays, Wednesdays and Thursdays between 8 and 11; mechanical Tuesdays and Thursdays.

The City is straightforward about why the sequence matters — the type of permit and the scope of work determine how many inspections are needed and when, and applicants are told the requirements when the application goes in.

On commercial work there is an additional layer: a Certificate of Occupancy for commercial property also requires the Fire Marshal to inspect for compliance on exit lights, fire suppression, emergency lighting, fire extinguishers, exits and storage areas. And a Clawson initial business license has to be applied for and received before a commercial certificate will issue.

On the property itself, what we record is unaffected by any of that: accessible grading and how the ground falls at the foundation, gutters and downspouts and where they discharge, foundation conditions, the basement or crawlspace, floor drains and any sump equipment, with staining, efflorescence and evidence of past water entry noted as found.

Home inspector working in a crawlspace during an inspection

Code enforcement, and the buried line

Two things that outlast the sale

Clawson’s code enforcement division publishes what it acts on, and the list is broader than most: blight on private and public property, building code violations including construction or change of occupancy without permits, conditions constituting a clear and present danger, graffiti, illegal dumping, inoperable and abandoned vehicles, lawn parking, property maintenance code violations, rat complaints, signs, snow removal from public sidewalks, swimming pool fences, weeds and zoning requirements. All calls are anonymous and all complaints are investigated.

Two of those are worth a buyer’s attention. Construction or change of occupancy without permits is enforceable against the current owner, which is a reason to know what was done to a house before you own it. And swimming pool fencing is a safety item that gets missed regularly on resale.

What outlasts the sale

The other thing that outlasts the sale is the buried lateral running from the house to the sewer main, which nothing visual reaches. On a house from the 1950s — four in ten of them here — that pipe has been in the ground about seventy years with mature street trees around it. We will not name a material from a build year, because no authoritative source establishes what Clawson 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 — and it is added to the same visit rather than booked separately. Alongside it, commercial building inspections follow the CCPIA standard, and radon testing or mold inspection and testing can be added to a residential or commercial visit.

Home inspector running a sewer scope down the main stack from the roof of a house

Local information from City of Clawson — inspections and Certificate of Occupancy · City of Clawson — rental and vacant or abandoned property · City of Clawson — ordinance code enforcement. Municipal requirements change — verify current details with the municipality.

Radon in Oakland County

Oakland County is EPA Radon Zone 2

Zone 2EPA radon zone
29%of Oakland County tests came back at or above 4 pCi/L

Zone 2 is the middle EPA category — the predicted average indoor level across the county sits between 2 and 4 pCi/L. What a zone cannot tell you is anything about one house: 29% of tests actually run in Oakland County still came back at or above the EPA’s 4 pCi/L action level. Zones are drawn around counties, not around addresses, which is why the only number that settles the question is the one from the house itself.

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 · Oakland 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

Why Clawson chooses Trademark Inspection Services

Five reasons people here pick us as their Clawson 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 test, we never remediate

    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.

  • One visit, one invoice

    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.

  • You are welcome to walk it with us

    Most people do, and it is the most useful hour of the whole purchase. Ask anything while we are standing in front of it.

  • Certified, not just insured

    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.

  • Seven days a week

    Including weekends, because inspection windows sit on closing dates and closing dates do not care what day it is.

Reviews

What people near Clawson say

  • I recently hired Trademark for a full home inspection on a new purchase, including sewer scope and radon testing. It was a phenomenal experience from beginning to end. Our inspector, Mitch, did a fantastic job explaining all the findings, and the digital report with photos and videos was superb. Would definitely recommend without hesitation.

    GoogleSalina HamiltonOak Park, MI
  • We had Mitch inspect our prospective house and he was amazing. He was thorough, patient to answer my questions and provide feedback on what areas he would recommend having a follow up expert and why. The office was responsive and I was able to book multiple services to be done in the same visit (inspection, radon test, sewer scope).

    GoogleChris PlaweckiOak Park, MI
  • Excellent sums up the entire experience, from the initial call to set up the appointment with staff that was informative and helpful, up until the actual inspection that was very professional and thorough with any and all questions I had answered. I would highly recommend Trademark to anyone who needs inspection services. Thanks again Curt, my inspector, for an excellent job.

    GoogleJohnny Thomas JrSouthfield, MI

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What happens

Booking your Clawson home inspector

  1. 1Book itBook a Clawson home inspector online any hour, or call 734-331-3269. We inspect seven days a week, which is usually when buyers and agents actually need us.
  2. 2We inspectYou are welcome to come along and most people do. Ask whatever you want while we are there — it is the most useful hour you will get.
  3. 3Report in 24 hoursPhoto-rich, plain English, and yours to send to your agent. Services with a lab or a measurement period take longer and we tell you which when you book.

Schedule onlineCall 734-331-3269

Questions

Clawson home inspector questions

  • Does Clawson require an inspection when a house is sold?

    Not on the City’s published scope. A Certificate of Occupancy is required before use for all commercial property, for new home construction, and for vacant and abandoned property identified under the City’s ordinances. An ordinary residential resale is not on that list. Several cities nearby do run point-of-sale programs, so it is worth knowing that this one does not — and worth confirming with the Community and Economic Development Department rather than relying on any web page, this one included.

  • What does a Clawson rental certificate actually tell me?

    Less than you might assume. The City issues a rental certificate for two years on successful completion of an exterior inspection of the property and proper registration. It is an exterior standard — nobody municipal has necessarily been inside. If you are buying income property and treating that certificate as reassurance about the interior, it is not that, and an independent inspection is the thing that covers it.

  • How often does a rental need licensing?

    Every two years. The City requires any landlord in the business of leasing dwellings to apply for a bi-annual license under Chapter 18 of the Clawson Code, with the certificate issued for a two-year period following a successful exterior inspection and proper registration.

  • The house I am buying has been empty. What does that mean here?

    It may carry obligations already. Owners of abandoned residential structures must register them with the City and pay a monthly administration fee, and the City states that the duty to register does not require prior notice from the city. Registration does not prevent the City securing the property, ordering repairs or abating hazards. A Certificate of Occupancy is also required before vacant or abandoned property can be used again.

  • When can inspections be scheduled?

    By 3:00 pm to make the following day’s list, and within a narrow week. Electrical inspections are Tuesdays and Thursdays from 9 to 11 in the morning; plumbing is Tuesdays, Wednesdays and Thursdays from 8 to 11; mechanical is Tuesdays and Thursdays. The Municipal Building and the Department of Public Works both run Monday to Thursday and are closed Fridays.

  • How old are homes in Clawson?

    Concentrated in the 1950s. Of about 6,037 housing units, roughly 2,459 — some 41% — were built in that decade, with 999 from the 1960s, 749 from the 1970s and 606 predating 1940. Around 74% is single-family detached. On a house that age every original mechanical component has been replaced at least once, and the question is when and how well.

  • Can the City act on work a previous owner did without a permit?

    Its published list of what code enforcement acts on includes building code violations including construction or change of occupancy without permits. That is a reason to establish what has been done to a house before you own it rather than after — a finished basement, a converted garage or an addition with no record behind it is worth asking about, and worth looking at hard.

  • Should I consider a sewer camera inspection in Clawson?

    It is worth considering. The buried lateral running from the house to the sewer main is the one component no visual inspection reaches, and on a 1950s house — four in ten here — it has been in the ground about seventy years with mature street trees around it. We will not guess a material from a build year, because no authoritative source establishes what Clawson laterals are generally made of. Putting a camera down the line documents roots, cracks, displaced joints, bellies or blockages where they exist, and is added to the same appointment.

More on cost, timing and what is included on the FAQ page.

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Near Clawson

Need a Clawson home inspector and not sure we reach you? Call 734-331-3269 and we will tell you.

Permits, assessing and property records for Clawson are handled by the City of Clawson, not by us.

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