Home Inspection Cost by State: 2024 Pricing Guide

Square footage is the single biggest pricing factor. Most inspectors charge a base price for homes up to ~1,500 sq ft, then add $25–$50 per additional 500 sq ft. A 4,000 sq ft home typically costs $100–$200 more than a 1,800 sq ft home in the same market.

Older homes take longer to inspect. Pre-1978 homes may have lead paint. Pre-1980 homes often have aging electrical panels (Federal Pacific, Zinsco), galvanized plumbing, and original roofing — all requiring extra scrutiny. Expect to pay $50–$100 more for a home built before 1970.

Regional cost of living directly affects inspector pricing. A standard inspection in San Francisco averages $550–$700. The same inspection in rural Oklahoma averages $250–$325. Within a single state, urban markets often cost 20–40% more than rural areas.

A certified InterNACHI, ASHI, or NAHI inspector with 10+ years of experience and 1,000+ inspections completed may charge a premium of $50–$100 over a newer inspector. This premium is typically worth paying — experienced inspectors find more issues, write clearer reports, and provide better value overall.

Condos and townhouses typically cost $50–$150 less than single-family homes because the exterior and common areas are excluded from the scope. Multi-family properties (2–4 units) cost more — often $150–$300 extra per additional unit.

Radon, mold, sewer scope, thermal imaging, and other specialty tests are not included in the base price. Bundling 2–3 add-ons with the same inspector at the same appointment usually saves 10–20% versus ordering each service separately.

Home inspection costs vary significantly by state, ranging from roughly $225–$325 in lower cost-of-living states like Mississippi, Arkansas, and West Virginia, up to $400–$700 in high-cost states like California, New York, and Hawaii. The national average sits between $300 and $500 for a standard single-family home inspection.

The primary driver is regional cost of living, which affects inspector wages, business overhead, insurance costs, and what the local market will bear. Secondary factors include average home size (larger homes in suburban markets cost more to inspect), the density of certified inspectors (more competition = lower prices), and state licensing requirements that affect the supply of qualified inspectors.

In almost all US real estate transactions, the buyer pays for the home inspection. The inspection is ordered for the buyer's benefit — to evaluate the condition of the property before completing the purchase. Payment is typically due at the time of inspection, not at closing. In some seller-initiated pre-listing inspections, the seller pays.

Beyond the standard inspection, common add-ons include: radon testing ($100–$200), mold inspection with lab sampling ($200–$400), sewer scope camera inspection ($100–$300), pool and spa inspection ($100–$300), chimney inspection ($100–$200), thermal imaging ($100–$300), and well and septic inspection ($200–$500). Bundling multiple add-ons with the same inspector typically saves 10–20% compared to ordering them separately.

Get at least three quotes from certified inspectors in your area. Compare credentials — look for ASHI, InterNACHI, or NAHI certification — not just price. Ask about bundle pricing if you need add-ons like radon or sewer scope. Avoid the cheapest inspector if their credentials are weak; a thorough inspector who charges $50 more can save you thousands in missed defects. Use a directory like inspectorwatch.com to compare certified inspectors in your area.