What Is a 4 Point Home Inspection: A Plain-Language Guide
What is a 4 point home inspection? It is a narrowly scoped inspection that focuses on four specific systems — roof, electrical, plumbing, and HVAC — and exists primarily because property insurers use it to underwrite policies on older homes. The 4-point is most commonly required in Florida and other Gulf Coast or hurricane-exposed markets, often on homes that are 30 years old or older. It is not a substitute for a full home inspection, and on the Front Range it is rarely the right product for a buyer. This guide explains what the 4-point covers, when it is required, how it differs from a standard ASHI or InterNACHI inspection, and what Colorado buyers should actually order instead.
What is a 4 point home inspection in 2026?
A 4-point home inspection is an underwriting-driven inspection that documents the age, condition, and remaining useful life of four building systems: the roof, the electrical system, the plumbing system, and the HVAC system. The deliverable is a short, standardized form — usually a few pages, not a full report — that the insurer uses to decide whether to bind a new homeowners policy or renew an existing one. It is most common in Florida, where state-licensed inspectors fill out a standardized Citizens Property Insurance or Florida Office of Insurance Regulation form. Other Gulf Coast and hurricane-exposed states have similar conventions. Insurers in other regions sometimes ask for a 4-point on an older home as a condition of binding a policy, but the practice is far less common.
The 4-point is narrowly scoped on purpose. The insurer is not asking the inspector to look at the whole house — only at the systems that drive the largest fraction of homeowner-insurance claims (water, fire, wind). A full ASHI- or InterNACHI-standard inspection is broader by design, covering structure, exterior, interior, attic, crawlspace, insulation, appliances, and ventilation alongside the four core systems.
What does a 4-point inspection cover?
Roof
Age, material (asphalt shingle, tile, metal, flat membrane), remaining useful life, visible damage, repairs in progress, and underlayment condition where visible. The inspector typically photographs the roof and notes the install year if known.
Electrical
Service amperage, panel manufacturer (insurers often flag Federal Pacific, Zinsco, and certain Challenger panels), wiring type (copper, aluminum, knob-and-tube remnants), visible grounding, GFCI presence at kitchens and bathrooms, and any double-tapped breakers or open splices. Federal Pacific and Zinsco panels are known industry hazards and frequently disqualify a home from preferred-rate policies.
Plumbing
Supply piping material (copper, PEX, CPVC, galvanized, polybutylene), waste piping material (cast iron, PVC, ABS), water heater age and condition, visible leaks, and shut-off function. Polybutylene supply lines and galvanized supply lines often trigger insurer pushback because of the failure history of both materials.
HVAC
Heating equipment type and age (forced-air furnace, heat pump, boiler), cooling equipment type and age, condition of accessible ductwork, and any visible safety issues like missing flue components or improper venting. Equipment older than 15 to 20 years is commonly flagged.
When is a 4-point inspection required?
The 4-point is required by certain property insurers when an applicant or renewing homeowner wants to bind a policy on a home older than a specified age — typically 30 years, sometimes 25 years. The most common scenarios:
- Florida new policy on a home 30 years old or older
- Renewal in a Gulf Coast state where the home crosses the age threshold
- An out-of-state insurer that uses the 4-point as a national underwriting tool for older properties
- Citizens Property Insurance in Florida (uses a standardized form)
- Some private insurers across the southeastern U.S.
The 4-point is almost never a substitute for the buyer’s general inspection. It is an underwriting checklist, not a comprehensive assessment of the home’s overall condition.
4-point inspection vs full home inspection
The simplest framing: the 4-point is narrow and shallow; the full inspection is broad and deep. The 4-point answers the insurer’s binary question — is this roof, electrical, plumbing, and HVAC at acceptable risk? The full inspection answers the buyer’s question — what is the actual condition of this home, top to bottom? A full inspection follows the ASHI Standard of Practice or InterNACHI Residential Standards of Practice and includes structure, foundation, exterior, attic, crawlspace, insulation, interior finishes, and appliances on top of the four core systems. Reports run 20 to 80 pages with annotated photographs. The 4-point is a few pages with a standardized form.
Pricing reflects scope. A 4-point typically runs $75 to $200. A full inspection runs $400 to $600. Buyers in markets where the 4-point is required usually order both — the 4-point for the insurer and the full inspection for due diligence.
Are 4-point inspections required on the Front Range?
No. 4-point inspections are not typically required for Colorado Front Range homes. Colorado property insurers generally underwrite based on the application, claims history, public-record loss data, and sometimes a windstorm-mitigation review for the wildland-urban interface — not a 4-point form. Buyers in Denver, Douglas, Arapahoe, Jefferson, El Paso, Adams, Boulder, Broomfield, or Elbert counties should expect to order a standard ASHI- or InterNACHI-standard home inspection, not a 4-point.
The right product for a Front Range buyer is a full home inspection with the local add-ons that match Colorado’s specific risk profile — radon (EPA Radon Zone 1), sewer scope (older neighborhoods with clay or Orangeburg laterals), and sometimes wind/hail mitigation documentation. Our guide to hiring a home inspector on the Front Range walks through the credentialing and scope choices that actually map to Colorado housing.
What about wind mitigation inspections?
Florida and other coastal markets also use a wind mitigation inspection — a separate, also narrowly scoped form — that documents storm-protective features (roof shape, roof attachment, opening protection, secondary water resistance) for insurance discount eligibility. On the Front Range, the closest analogs are hail-resistant roof rating documentation and, for properties in wildland-urban interface zones, defensible-space and Class A roof verification for wildfire-related underwriting. Neither is the same as a 4-point.
How a Florida 4-point report typically looks
A typical 4-point deliverable is a 3- to 6-page standardized form (often the Citizens Property Insurance four-point form) with photographs of the panel, the water heater, the HVAC equipment, and the roof. The inspector marks each system as acceptable, acceptable with conditions, or unacceptable, and notes equipment age. The insurer reads the form, sometimes asks for clarification, and decides whether to bind or renew. There is no narrative discussion of structure, foundation, exterior, or interior because the underwriting model does not require it.
When to order a 4-point vs a full inspection
Order a 4-point when an insurer specifically asks for one — typically in a Gulf Coast market, typically on a home 30 years or older, typically as a condition of binding or renewing a policy. Order a full inspection when you are buying a home and want to know what you are buying. The two are complementary in markets where the 4-point is the underwriting standard; in Colorado, the full inspection is what matters and the 4-point rarely comes up. The cost of a home inspection breakdown covers the Colorado-specific scope and add-ons.
Common 4-point findings that affect insurability
Insurers have specific lists of underwriting-disqualifying findings. The most common ones in the four 4-point categories:
Roof red flags
- Asphalt shingle roof older than 15 to 20 years
- Tile or metal roofs older than 30 years with visible damage
- Roofs with active leaks, missing shingles, or exposed underlayment
- Flat roofs with ponding water or membrane failure
Electrical red flags
- Federal Pacific Stab-Lok panels (well-documented hazard, often disqualifying)
- Zinsco panels (similar history)
- Aluminum branch wiring without verified pigtailing or anti-oxidant connections
- Knob-and-tube wiring remnants
- Service amperage under 100 amps on a modern usage profile
- Double-tapped breakers, open splices, missing GFCI at wet locations
Plumbing red flags
- Polybutylene supply lines (Qest, Vanguard, 1978 to 1995) — failure history disqualifies many policies
- Galvanized supply lines older than 30 years
- Cast iron waste lines with visible corrosion or leaks
- Water heaters older than 12 to 15 years
HVAC red flags
- Equipment older than 15 to 20 years
- Active leaks, missing flue components, improper venting
- Furnaces with cracked heat exchangers (safety issue)
A 4-point that flags any of the above usually requires remediation before the policy will bind at preferred rates. Some insurers accept a contractor bid and remediation timeline as a condition of binding.
When to call a specialist
If a 4-point or a general inspection flags a Federal Pacific or Zinsco panel, polybutylene supply lines, an aged water heater, or a roof past its useful life, the next call is a licensed electrician, a licensed plumber, or a roofing contractor for a scope-specific evaluation and bid. Insurers sometimes accept a remediation plan and bid as a condition of binding the policy.
References
- ASHI Standard of Practice — American Society of Home Inspectors
- InterNACHI Residential Standards of Practice — International Association of Certified Home Inspectors
- International Code Council building code overview — International Code Council
- EPA Map of Radon Zones — U.S. Environmental Protection Agency
Front Range buyers wondering whether they need anything beyond a standard ASHI or InterNACHI inspection can reach out through our contact page.