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High Value Home Insurance Inspection: What Underwriters Actually Look At

By . Reviewed for insurance accuracy by Hugo Canizales, licensed agent, NPN 17110369. Published September 24, 2026. How we review this

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A high value home insurance inspection is a documentation exercise rather than an exam. The company sends an inspector to verify what it’s insuring, confirm the replacement cost it calculated, and record the condition of the roof, the systems and the protective devices. Most inspections end in a short list of recommendations with a response deadline. The owners who run into trouble usually don’t have the worst houses. They’re the ones who didn’t open the letter.

Prepare for the visit the way you’d prepare for an appraisal and the report will describe the house as it actually is.

Why the carrier inspects a high value home at all

Standard homeowners policies often get written from public data and a photo. That works when the home sits close to the middle of the market. It stops working as soon as the house is custom, older, remodeled, oversized, remote, or finished at a level no public record captures.

Two things drive the decision to send somebody out.

The first is valuation. The company has to set a Coverage A limit that will actually rebuild the home. Square footage from a county record, construction grade from a dropdown and a guess at the finish level won’t get there on a house with a timber frame, a slate roof, plaster walls or a real millwork package. If the limit is wrong, both sides have a problem at claim time.

The second is condition. Water and fire losses on larger homes are expensive, and a good share of them trace back to something you can see from the driveway. A roof past its service life. A failing water heater. Overgrown vegetation against a wall. An old electrical panel. A deck with soft framing. Insurers would rather find those on a Tuesday than during a claim.

When the inspection happens

Timing varies by company and program, and the common triggers are consistent.

New business is the most frequent. Many high value programs inspect after you’ve bought the policy rather than before, so you’ll already be covered when the inspector calls. That’s normal.

Renewal cycles are the second. Some companies reinspect on a schedule. Some reinspect only when something changes.

A change in the risk is the third. A renovation, an addition, a new pool, a new outbuilding, a change in occupancy such as a home becoming seasonal, or a large claim can all prompt a visit. If you’re mid renovation, say so up front. An inspector who arrives to find open framing and a dumpster with no warning tends to write a harder report than one who was told the scope and schedule in advance. If work is planned, read renovation coverage before the first trade shows up.

What to have ready before the visit

Gather this before the appointment, not after the questions arrive.

  • Roof: material, install date, contractor, invoice, and any warranty paperwork.
  • Electrical: panel type and amperage, date of the last service upgrade, any knob and tube or aluminum branch wiring history and what was remediated.
  • Plumbing: supply line material, date of repiping if any, water heater age and location, and whether there’s a pan and drain.
  • Heating, cooling and fuel: system ages, fuel type, location of any oil tank including buried tanks, and service records.
  • Renovation: permits, final inspections, plans, and a cost breakdown if you have one. That’s the most valuable document set you own for the valuation side.
  • Protection: alarm monitoring certificate, fire and smoke detection type, sprinkler system if present, water leak detection and shutoff details, and generator information.
  • Structures: a list of every detached structure with its construction, size and use. Barns, shops, guest quarters, boat houses, docks and studios get missed constantly.
  • Prior valuation: any appraisal, replacement cost estimate or builder cost letter.

Access, and who has to be there

Scope decides this, so ask which one you’ve been scheduled for.

An exterior only survey generally needs nobody on site. The inspector photographs the roof, the elevations, the grounds, the outbuildings and the approach, and leaves. Many programs use this for renewals and for simpler properties.

A full interior and exterior inspection needs access, and access means a person. Somebody has to open the electrical panel, the mechanical room, the attic hatch, a crawlspace or a finished lower level. On larger properties that often isn’t the owner. If a property manager, house manager, caretaker or family member will meet the inspector, say so when the appointment is set, and hand over the name and the number. An inspector who arrives to an empty house and a contact who doesn’t answer will generally write it up as a refused or incomplete inspection. That reads worse than anything they’d have found inside.

Two related practicalities. Dogs, gate codes and alarm codes belong in the appointment notes rather than in a phone call on the day. And if part of the house genuinely can’t be reached, a locked wine room, a tenant occupied guest cottage, a crawlspace with standing water, tell the company in advance and say why, so it lands on the report as a known condition rather than an obstruction.

What the inspector looks at outside

Exterior work is the bulk of most inspections, because that’s where condition shows.

Roof. Material, age, slope, layers, visible wear, moss and organic growth, flashing, valleys, chimney condition, and any prior repair. Roof condition drives more inspection findings than anything else on the properties we see. There’s detail in roof requirements for high value homes.

Siding, trim and paint. Peeling paint, soft trim, rot at the base of columns and door surrounds, and wood in contact with soil. These read as deferred maintenance even when the structure is sound, so they carry more weight than owners expect.

Gutters, drainage and grading. Whether water is being moved away from the foundation, whether downspouts discharge at the wall, and whether grade slopes toward the house.

Decks, stairs, railings and walkways. Structural condition, railing height, loose treads, trip hazards.

Pool, spa and water features. Fencing, self latching gates, covers, diving boards and slides. Fencing rules are a local code matter as well as an underwriting one.

Vegetation. Overhanging limbs, contact with the structure, and the condition of the ground immediately around the walls. In wildfire exposed areas this expands a long way, and it’s worth reading against wildfire underwriting.

Access and address. Driveway grade and width, bridge or culvert condition, turnaround space, gate access, and whether the address is legible from the road. On rural property this also feeds the fire protection question covered in homes with no fire hydrant.

Outbuildings. Construction, condition, use, and whether anything is stored or operated in them that the company doesn’t know about.

What the inspector looks at inside

Interior scope varies more than exterior scope. A full interior inspection commonly covers:

Measurements and layout. Room count, ceiling heights, finished versus unfinished areas, and a verified footprint. This is what corrects a square footage error in the rating.

Finish level. Cabinetry, counters, flooring, millwork, stair detail, specialty ceilings, built ins, tile and stone work. Owners understate this more than anything else, and it moves the replacement cost further than almost any other input. If the resulting number surprises you, read why the replacement cost estimate came in high before you assume it’s an error.

Electrical. Panel, breakers, visible wiring, GFCI and AFCI protection, and any obvious amateur work.

Plumbing. Supply material, visible leaks or staining, fixture condition, water heater age and setup.

Mechanical. Furnace, boiler, heat pump, ages and condition, venting, and the condition of any chimney or wood stove installation.

Foundation, basement and crawlspace. Moisture staining, standing water, efflorescence, sump function, insulation and vapor barrier condition.

Attic. Ventilation, insulation, evidence of past leaks, and any pest activity.

Valuables. Some inspections note art, jewelry, wine and collections, and that’s where scheduling gaps surface. If the visit turns that up, read valuables coverage instead of assuming a blanket limit covers it.

Protection devices the inspector will record

Protective devices matter twice. They can support credits, and in some programs they’re conditions of coverage.

Central station alarm monitoring, smoke and heat detection, fire sprinkler systems, temperature and freeze sensors, water leak detection with automatic shutoff, generators with automatic transfer, and security cameras are the common set. Whether any one of them is a credit or a hard requirement depends on the company and the program. Water shutoff devices in particular have moved from credit to condition in parts of the market, which is covered in water shutoff device requirements.

Bring the monitoring certificate. A device with a lapsed monitoring contract may count as no device at all.

The recommendations that come back most often

The recurring list is short and unglamorous:

  • Roof at or near the end of its service life, or with moss and debris.
  • Peeling paint, rotted trim, soft deck framing or loose railings.
  • Trip hazards on walkways and stairs.
  • Vegetation contact with the structure or overhanging limbs.
  • Pool or spa fencing and gate latching.
  • Aged water heater, or one with no pan and drain in a finished area.
  • Electrical panel type, or missing GFCI protection in wet locations.
  • Blocked or missing handrails and egress issues.
  • Undisclosed outbuildings or business use.
  • Square footage or finish level well off what was rated.

None of that is exotic. Most of it is a weekend and a contractor.

How to respond when the letter arrives

Read the deadline first. Then sort the items into three buckets.

Fix and document. Anything you can finish inside the window. Do it, photograph it, and send the photographs with the invoice through your agent. Photographs close items faster than descriptions do.

Dispute with evidence. If a finding is factually wrong, say so with proof. A roof recorded as older than it is gets corrected by an invoice. A square footage discrepancy gets corrected by a plan set.

Negotiate the timeline. If an item is real but won’t be finished in the window, have your agent request an extension in writing before the deadline, with a contractor schedule attached. Companies are generally reasonable about a documented plan and much less reasonable about silence.

If a finding does push toward nonrenewal, there’s still a conversation to have. The path from there is covered under high value home nonrenewal, and it usually turns on how well you’ve documented what’s been corrected.

Questions worth asking your agent

  • Is this inspection exterior only, or interior and exterior?
  • Will the findings be used for valuation, condition, or both?
  • Which of these recommendations are conditions of coverage and which are informational?
  • What is the exact deadline, and what format does the company accept for proof?
  • If the replacement cost changes, what happens to the limit and the premium?
  • Does the company reinspect on a cycle, and when would the next one be?
  • Which protective devices on this property earn credits, and which are requirements?

Where this fits

The inspection is the step where your house stops being a row of data and becomes a specific building. Handled well, it corrects a limit that was wrong, documents work you already paid for, and produces a cleaner renewal. Handled by ignoring the mail, it produces a nonrenewal over peeling paint.

Full detail on the process and what companies ask for is on our high value home inspection page.

If you want a read on your current policy before an inspector is ever scheduled, start with a coverage review and we’ll tell you plainly what an underwriter is likely to see.

What many people don't realize

The part that catches owners off guard

  • An inspection is an underwriting step, not a test you pass or fail. Most reports produce recommendations, not declinations.
  • Hugo Canizales, NPN 17110369, is the licensed technical reviewer of record for our property and casualty personal lines content.
  • Inspection standards, scoring and response deadlines vary by carrier and by program. Nothing here is a carrier requirement list.
  • We place business with many carriers. We are not paid by any of them to write this.
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When to review

It may be time for a coverage review if:

  • You have a new high value home policy and an inspection has been scheduled
  • An inspection report came back with recommendations and a response deadline
  • You bought, renovated or added structures since the last inspection
  • You received a conditional renewal tied to inspection findings
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Frequently asked

Frequently asked

Why does a high value home policy require an inspection?
Because the carrier is insuring a replacement cost it cannot verify from a desk. On a larger or custom home, the difference between what a public record says and what is actually built can be substantial. The inspection confirms size, construction grade, finishes, systems, outbuildings and protective devices, and it documents condition. Carriers also use it to catch maintenance issues early, while they are still inexpensive to fix.
Do I have to be home for the inspection?
It depends on the scope. An exterior only survey usually does not require access. A full interior and exterior inspection does. If the inspector needs to see the electrical panel, the mechanical room, the attic or a finished lower level, someone has to let them in. If a property manager or house manager will meet the inspector, tell the carrier in advance so the appointment is not treated as a refused inspection.
What happens if the inspection finds problems?
Usually the carrier issues recommendations with a response deadline. Some are informational. Some are conditions of continued coverage. The outcome depends on how serious the finding is and how you respond. Ignoring the letter is the one response that reliably makes it worse, because a missed deadline can convert a fixable item into a nonrenewal.
How long do I have to respond to inspection recommendations?
The deadline is set by the carrier and printed on the letter. It varies by carrier and by the nature of the item. Read the date first, then decide what is achievable in that window. If a repair genuinely cannot be completed in time, ask your agent to request an extension in writing before the deadline passes rather than after.
Can an inspection raise my premium?
It can move the premium in either direction. If the inspection finds more square footage, higher grade finishes or additional structures than were originally rated, the replacement cost and the premium can go up. If it documents protective devices, a newer roof or updated systems that were not previously credited, it can support a lower rate. Both outcomes are common.
Should I do my own walkthrough before the inspector comes?
Yes, and it is the single most useful hour you will spend. Walk the property with the checklist below, fix what is easy, photograph what is already good, and gather documentation for anything that was updated. A report written on a well presented property tends to produce fewer open items.
What documents should I have ready?
Dates and invoices for the roof, electrical, plumbing and heating systems, permits and final plans for any renovation, monitoring certificates for alarm and water systems, any prior appraisal or replacement cost estimate, and a list of outbuildings with their construction and use. Having these on hand at the visit is faster than answering questions by email for three weeks afterward.
RS
Written and reviewed by

Founder and Principal Advisor, Vantage Point Risk

Richard Sweet runs Vantage Point Risk, an independent insurance and risk advisory for property owners, real estate investors, business owners, and families. He works with investors every week on the coverage decisions that decide how a claim actually turns out, and writes the Learning Center to put those decisions in plain language.

Reviewed for insurance accuracy by Hugo Canizales, licensed agent, NPN 17110369. Published September 24, 2026. See our editorial process. Spot an error? Email support@vantagepointrisk.com.

Richard also writes The Vantage Point, notes on building a better business.

This article is general information, not insurance, legal, or tax advice. Coverage, inspection standards and underwriting requirements depend on your policy terms, the carrier and the state you are in. Eligibility varies. For guidance on your specific situation, talk with a licensed advisor.

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