Should I always test for radon in Iowa?

Yes. Iowa has the highest average radon levels of any state. Many corridor homes test above the EPA 4.0 pCi/L action level. Mitigation systems are $1,200-$2,500 and frequently negotiable as a seller concession.

Is a sewer scope worth the extra $250?

For homes built before 1980 in older Iowa City neighborhoods (Manville Heights, Goosetown, Longfellow, Northside): yes, every time. Clay sewer laterals from the original construction era fail predictably. The scope often reveals $5K-$20K problems.

Should I use my realtor's preferred inspector?

You can — they're usually competent. But always interview at least one other inspector not referred by your agent. Your realtor's incentive is to close the deal; an independent inspector's only client is you.

Iowa City + Coralville Home Inspectors — Corridor Directory

Editorial note: Iowa has required home inspector licensure since 2012, administered through the Iowa Plumbing & Mechanical Systems Board. Every working corridor home inspector should have an Iowa license number — verify on the state's online lookup before hiring. We don't list specific inspectors here because the better strategy is interviewing several and choosing one independent of your realtor's referral.

Iowa is one of about 30 states that license home inspectors. The licensure requirement (since 2012) means every working corridor inspector has demonstrated baseline competency, carries liability insurance, and operates under a standard inspection scope. That's the good news. The complicated news is that most home buyers in the corridor are referred to an inspector by their realtor — and a realtor's interests (closing the deal) don't always align with a buyer's interests (finding every reason not to close).

A typical corridor home inspection runs $400-$600 for a standard single-family home, $500-$900 for larger homes (4,000+ sq ft), and $300-$450 for condos. Additional services — radon testing ($150-$250), sewer scope ($200-$350), termite/WDO inspection ($75-$150), mold inspection ($200-$400) — are usually quoted separately and almost always worth adding.

Finding a corridor inspector

Iowa state inspector lookup

Iowa Plumbing & Mechanical Systems Board

plb.iowa.gov

The official Iowa licensure lookup. Search by name or city. Every working corridor inspector should appear here with an active license and no disciplinary actions. Start here before any other source.

InterNACHI corridor members

International Association of Certified Home Inspectors

nachi.org

InterNACHI is the largest professional home inspector association. Their inspector locator finds corridor members. InterNACHI membership requires continuing education and adherence to standards of practice — a quality signal beyond bare state licensure.

ASHI corridor inspectors

American Society of Home Inspectors

homeinspector.org

The other major professional association. ASHI Certified Inspector designation requires passing examinations and ongoing education. Membership is a positive signal.

Realtor referrals (with caution)

Buyer's agent recommendations

Your realtor will offer 2-3 inspector names. They're usually competent but they're also inspectors who close deals — meaning they generally don't kill transactions with overly aggressive reports. Use as a starting point, not the only source. Always interview at least one inspector not referred by your agent.

What a corridor home inspection actually covers

Per Iowa standards of practice, a standard home inspection examines the visible and accessible portions of:

Roof — surface condition, flashings, gutters, visible attic structure (no destructive testing)
Exterior — siding, trim, decks, porches, walks, driveway, drainage at foundation
Structure — visible foundation, framing, floors (no demolition)
Electrical — panel, visible wiring, outlets and switches sampled, GFCI/AFCI testing
Plumbing — visible supply, drains, water heater, fixtures, water pressure check
HVAC — furnace, AC, ductwork (visible), thermostat operation
Interior — walls, ceilings, floors, doors, windows, stairs
Insulation & ventilation — attic and crawlspace where accessible
Built-in appliances — basic operation testing

What inspectors don't check (in a standard scope)

Behind walls. No destructive testing. Hidden mold, structural issues inside walls, knob-and-tube hidden under insulation — all out of scope.
Sewer lateral. Standard inspections don't camera the line from house to street. Add a sewer scope — $200-$350, and one of the most under-purchased add-ons in corridor real estate. Older Iowa City clay laterals fail frequently.
Radon. Iowa has the highest average radon levels in the country. Always test radon. $150-$250 add-on. EPA action level is 4.0 pCi/L; many corridor homes test above it.
Termite/WDO (wood-destroying organism). Often required by lender; not part of standard inspection.
Mold. Visible mold flagged in standard report; air-quality testing is separate.
Asbestos / lead paint. Visual identification only; lab testing separate.
Septic system. If on septic, specialized inspection required.
Wells. Specialized water-quality testing if on a well.
Code compliance. Inspectors flag conditions, not code violations.
Pools, spas, sprinklers. Often excluded unless specifically contracted.

Iowa radon is real. Iowa has more homes above EPA action level than any other state. Always include radon testing in any corridor home purchase inspection. Mitigation systems are $1,200-$2,500 — often negotiable as a seller concession if levels are high.

The Iowa-specific add-ons we recommend

Radon test. Non-negotiable in the corridor.
Sewer scope for any home built before 1980, especially in older Iowa City neighborhoods (Manville Heights, Goosetown, Longfellow, Northside).
Termite/WDO if your lender requires it (most VA and FHA loans do).
Mold inspection if you see visible signs, smell musty odors, or the home has known water damage history.
Detailed roof inspection in addition to the standard scope, for homes with steep roofs, complex roofs, or pre-2010 shingles in hail-prone neighborhoods.

How to vet an inspector before hiring

Sample reports. Ask to see two recent reports (with personal info redacted). Compare detail, photo quality, and findings language. Skimpy reports correlate with skimpy inspections.
Inspection time. A thorough 2,000 sq ft single-family inspection takes 2.5-4 hours. Anything under 2 hours is a rush job.
Years of experience. Iowa licensure is bare minimum. Look for 5+ years of full-time inspecting.
Background. Many of the best inspectors come from trades or contracting. Pure-paper inspectors (no construction background) miss more.
Errors & omissions insurance. Verify coverage.
Buyer presence policy. The best inspectors welcome the buyer present — it's a teaching opportunity and forces thoroughness.

Common questions

How much does a home inspection cost in the Iowa City corridor?

$400-$600 for a standard single-family home. Larger homes (4,000+ sq ft) run $500-$900. Condos $300-$450. Add-ons (radon, sewer scope, termite) usually quoted separately.

Should I use my realtor's recommended inspector?

You can — they're usually competent. But interview at least one other inspector not referred by your agent. The realtor's incentive is to close the deal; the inspector you find independently has only one client (you).

Are home inspectors licensed in Iowa?

Yes, since 2012. The Iowa Plumbing & Mechanical Systems Board administers licensure. Verify any inspector on plb.iowa.gov.

What's the most-skipped inspection add-on in the corridor?

Sewer scope. For homes built before 1980 in Iowa City — where clay sewer laterals are the norm — a $250-$350 sewer scope often surfaces $5,000-$20,000 problems that would otherwise become your problem after closing.

Is radon testing really necessary?

In Iowa, yes. Iowa has the highest average radon levels of any state. Many corridor homes test above the EPA action level (4.0 pCi/L). Mitigation is $1,200-$2,500 and is frequently negotiable as a seller concession.

Corridor home inspectors.