A high value home insurance inspection is a documentation exercise, not an exam. The carrier sends an inspector to verify what it is 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 have trouble are almost never the ones with imperfect houses. They are the ones who did not open the letter.
If you prepare for the visit the way you would prepare for an appraisal, the report will describe the house the way it actually is. That is the whole goal.
Why the carrier inspects a high value home at all
Standard homeowners policies are frequently written from public data and a photo. That works when the home is 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 someone out.
The first is valuation. The carrier 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 will not do that on a home with a timber frame, a slate roof, plaster walls or a 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 meaningful share of them trace back to something visible: a roof past its service life, a failing water heater, overgrown vegetation against a wall, an old electrical panel, a deck with soft framing. Carriers would rather find those items on a Tuesday than during a claim.
When the inspection happens
Timing varies by carrier and program, but the common triggers are consistent.
New business is the most frequent. Many high value programs inspect after binding, not before, so you will already have a policy in force when the inspector calls. That is normal and it is not a sign of trouble.
Renewal cycles are the second. Some carriers reinspect on a schedule. Some reinspect only when something changes.
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 are mid renovation, say so up front. An inspector arriving to find open framing and a dumpster with no notice tends to generate a harder report than one who was told the scope and schedule in advance. If you are planning work, review it against 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 is 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. This is the single most valuable document set 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 have been scheduled for.
An exterior only survey generally does not need anyone 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. If the inspector has to see the electrical panel, the mechanical room, the attic hatch, a crawlspace or a finished lower level, somebody has to open those doors. On larger properties that is often not the owner. If a property manager, house manager, caretaker or family member will meet the inspector, say so when the appointment is set, and give the carrier the name and the number. An inspector who arrives to an empty house and a contact who does not answer generally writes that up as a refused or incomplete inspection, and that is a worse entry in the file than anything they would 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 is genuinely inaccessible, a locked wine room, a tenant occupied guest cottage, a crawlspace with standing water, tell the carrier in advance and say why, so the limitation is recorded as a known condition rather than discovered as an obstruction.
What the inspector looks at outside
Exterior work is the bulk of most inspections because it is where condition shows.
Roof. Material, age, slope, layers, visible wear, moss and organic growth, flashing, valleys, chimney condition, and any prior repair. Roof condition is the most common driver of inspection findings on the properties we see. It is covered in 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 space immediately around the walls. In wildfire exposed areas this expands considerably and is worth reviewing 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 carrier does not 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. This is the part owners most often understate, and it drives the replacement cost more than almost anything else. If the resulting number surprises you, read why the replacement cost estimate came in high before assuming it is 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. This is where scheduling gaps surface. If the visit turns that up, review valuables coverage rather than assuming a blanket limit is enough.
Protection devices the inspector will record
Protective devices matter twice: they can support credits, and in some programs they are conditions.
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 these is a credit or a hard requirement depends entirely on the carrier 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 be treated 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 materially different from what was rated.
None of those is exotic. Most are 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 complete in the window. Do it, photograph it, and send the photographs with the invoice through your agent. Photographs close items faster than descriptions.
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, not by an argument. A square footage discrepancy gets corrected by a plan set.
Negotiate the timeline. If an item is real but cannot be finished in the window, ask your agent to request an extension in writing before the deadline, with a contractor schedule attached. Carriers are generally reasonable about a documented plan and much less reasonable about silence.
If a finding does move toward nonrenewal, that is not the end of the conversation either. The path from there is covered under high value home nonrenewal, and it usually turns on how well the file documents what has 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 carrier accept for proof?
- If the replacement cost changes, what happens to the limit and the premium?
- Does the carrier 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 the file stops being a form and starts being the actual house. 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 carriers request 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 will tell you plainly what an underwriter is likely to see.