Home Inspection Repair Costs: Planning Ranges, Not Contractor Bids

You just got your inspection report and you're staring at a list of repairs. Before you panic or start calling contractors, let's talk about how to think through repair costs in a way that helps you plan your next move.

What Repair Cost Ranges Actually Mean

When Buyer's Leverage shows you a repair cost range — say, $1,200–$3,500 for a water heater replacement — that's a planning estimate built from regional contractor data, parts pricing, and labor averages. It's not a quote. It's not what you'll definitely pay.

Think of it like Zillow's Zestimate for repairs. It gives you a reasonable frame to work within, but the actual number depends on your zip code, the contractor you hire, permit requirements, and how accessible the work area is.

You'll use these ranges to decide which items are worth negotiating and roughly how much exposure you're looking at. Once you're under contract and prioritizing, you'll get real bids for anything you plan to tackle right away.

Why the Same Repair Costs Different Amounts Everywhere

A partial plumbing repipe might run $2,800 in Tulsa and $6,200 in San Jose. Same work, same materials, vastly different labor markets and permit costs.

Regional cost-of-living drives contractor hourly rates. Permit fees vary wildly by municipality. Some cities require licensed electricians for panel work; others allow handymen. If your house has a crawlspace instead of a slab, access is easier and costs drop.

This is why you'll see wide ranges in any good cost guide. The goal isn't precision at this stage — it's knowing whether you're looking at a $500 issue or a $5,000 one.

Roof Repairs: Patch Jobs vs. Full Replacement

If your inspector flags missing shingles or flashing issues, a localized patch often runs $400–$1,200. That's a roofer coming out for a half-day, replacing a few squares, resealing boots and vents.

Full asphalt-shingle replacement on a typical single-family home ranges from $8,000 to $18,000, depending on roof size, pitch, number of layers being torn off, and your market. Metal, tile, and slate roofs cost significantly more.

Your inspector can't tell you exactly how many years are left — roofs don't come with odometers. But if the report notes curling, granule loss, or multiple repairs already done, you're closer to replacement than patch territory. A roofer's site visit will clarify.

Water Heater Replacement: Tank vs. Tankless

Replacing a standard 40- or 50-gallon tank water heater typically runs $1,200–$2,800 installed. That includes hauling out the old unit, setting the new one, connecting gas or electric, and meeting code (which often means adding an expansion tank or upgrading venting).

Tankless units cost more upfront — about $2,500–$5,500 installed — because they often require upsizing the gas line, adding dedicated electrical circuits, or reworking venting. They last longer and save on utility bills over time, but that's a ten-year payoff, not a negotiation point today.

If your inspector noted the water heater is near or past its expected lifespan (typically 8–12 years for tanks), plan for replacement soon even if it's working fine now.

HVAC: Service Tune-Ups vs. Full System Replacement

A routine HVAC service call — cleaning coils, checking refrigerant, replacing filters, testing controls — runs about $150–$400. If your inspector recommended 'service by a licensed HVAC technician,' this is usually the scope.

Replacing a furnace or air handler ranges from $3,000 to $7,500. A full split-system replacement (outdoor condenser plus indoor air handler or furnace) runs $5,000–$12,000, depending on size, efficiency rating (SEER for cooling, AFUE for heating), and ductwork condition.

If the system is over 15 years old or the inspector noted that it's 'near end of service life,' get an HVAC tech to give you a repair-vs.-replace opinion before you close. That $400 service call might buy you two years, or it might be throwing money at a system that fails next winter.

Electrical Panel Updates and Circuit Work

If your inspector flagged an outdated panel (Federal Pacific, Zinsco, or a fuse box), replacement typically costs $1,800–$4,000. That includes a new 200-amp panel, breakers, grounding upgrades, and permit/inspection fees.

Adding a dedicated circuit for an appliance — like a new range, EV charger, or mini-split — runs $300–$900 per circuit, depending on wire length and whether you need to run through finished walls.

Some jurisdictions require a full panel upgrade if you're doing any significant electrical work. Ask your inspector if the panel is unsafe (immediate concern) or just dated (something to budget for). That distinction matters for negotiation framing.

Plumbing Repipes: Partial vs. Whole-House

If the inspector found a few leaking galvanized pipes or a corroded section under the kitchen, a partial repipe — replacing 20–40 feet of pipe in one area — might run $1,500–$4,000.

A whole-house repipe (replacing all supply lines with PEX or copper) ranges from $4,500 to $12,000+ depending on square footage, number of bathrooms, slab vs. crawlspace access, and how much drywall needs to be opened and patched.

Galvanized steel supply pipes typically fail after 40–60 years. If your house was built in the 1960s or earlier and still has original galvanized plumbing, budget for a repipe even if you don't do it immediately. Polybutylene ('poly-B') piping from the '80s and '90s is also a known failure risk.

Foundation Crack Repair: Epoxy Injection vs. Piers

Hairline concrete cracks that aren't actively leaking are often cosmetic. Epoxy or polyurethane injection to seal a crack typically costs $400–$1,500 per crack, depending on length and accessibility.

If the inspector noted 'differential settlement,' 'bowing,' or 'structural movement,' you're likely looking at foundation underpinning — steel piers, helical piles, or concrete pressed pilings. That work ranges from $1,500 to $3,500 per pier, and most repairs involve 4–12 piers. Total job costs can hit $10,000–$35,000.

Foundation issues scare lenders and appraisers. If the report uses words like 'structural' or 'significant movement,' get a structural engineer's evaluation before you proceed. Your inspector isn't a structural engineer and can't design a repair.

How to Prioritize Repairs for Negotiation

Start by grouping findings into three buckets: safety/code issues (electrical hazards, active water intrusion, structural concerns), major systems near end-of-life (roof, HVAC, water heater), and deferred maintenance (caulking, weather-stripping, minor leaks).

Safety items and major systems give you the strongest negotiation footing. Deferred maintenance is expected in any resale home — it's harder to frame as a seller concession unless there's an unusual amount of it.

Add up the high and moderate items. If the total planning-range exposure is $15,000–$25,000, you have a meaningful conversation to bring to your agent. If it's $1,200 in tune-ups and caulk, you're in normal-wear territory and probably paying for those yourself.

Your agent will help you decide whether to ask for a credit, a price reduction, or specific repairs before close. Each approach has trade-offs depending on your financing, the seller's situation, and your market.

When to Get Actual Contractor Bids

You don't need three bids for every item in the report. That's exhausting, time-consuming, and often impossible during a short inspection period.

Get real bids for anything over about $3,000 that you plan to negotiate seriously or tackle within the first six months of ownership. For smaller items, planning ranges are enough to frame your ask.

If the seller agrees to make a repair, get the scope in writing and ask for the contractor's name, license number, and proof of permit (where required). If they're offering a credit instead, the planning-range estimate is your baseline — but remember you'll be the one hiring and managing the work after you close.

What Repair Costs Don't Include

Most cost estimates assume normal access, no hidden damage, and work done to current code. They don't include costs you discover after a contractor opens a wall or pulls a permit.

They also don't include your time — meeting contractors, getting bids, managing work, living through construction. If you're buying a fixer, budget 10–20% above the estimated repair costs for surprises and hassle.

Finally, these ranges reflect contractor pricing, not DIY. If you're handy and plan to do some work yourself, your material costs will be lower — but your time isn't free, and some work (electrical, gas, structural) legally requires a licensed pro in most places.

Using Repair Costs to Frame Your Negotiation

Let's say your inspection found a 16-year-old HVAC system, a water heater showing rust, and a few electrical outlets without ground-fault protection. Planning ranges might look like $6,000–$10,000 (HVAC replacement), $1,200–$2,500 (water heater), and $400–$900 (GFCI outlets).

You're looking at $7,600–$13,400 in near-term exposure. You bring that to your agent framed as, 'We'd like to discuss a $10,000 credit to address these items.' You're not demanding a specific fix — you're acknowledging the home's condition and asking the seller to share the cost of bringing things current.

The seller might counter with $6,000, agree to replace the water heater themselves, or say no. That's negotiation. The cost ranges gave you a reasonable ask. What happens next depends on your contract terms, the market, and how badly each side wants the deal to close.

Real-world scenario

You're buying a 1980s ranch. The inspection came back with a 14-year-old HVAC system, a water heater showing sediment buildup, and a few GFCI outlets missing in the kitchen and bathrooms. You plug the issues into Buyer's Leverage and see roughly $8,000–$12,000 in near-term exposure. You're not panicking, but you also didn't budget for that in your first year. You talk to your agent, and together you decide to ask the seller for a $9,000 credit at closing. The seller counters with $6,000 and an agreement to replace the water heater before you move in. You accept, close the deal, and use the $6,000 credit to get the HVAC serviced and budget for replacement in two years. You paid for the GFCI work yourself — $450 and an afternoon with an electrician. That's a pretty common outcome.