New Construction vs Resale: Do You Need an Inspection on a New Home?

You can buy new construction with the same protection you'd have on a fifty-year-old house. It costs about the same as the inspection you'd order anyway, and the timing is the only part most people get wrong.

Here's the piece that surprises people. The village already inspected your house. So did the builder. Neither one of them works for you, and neither one was checking the same things your inspector would.

A pre-drywall inspection runs a few hundred dollars and it happens exactly once. After the drywall goes up, nobody sees that wiring again until somebody's cutting a hole in the wall to find out why the outlet died. Same house. Same money. The only thing that changed was whether you were standing there in week nine.

Do you need a home inspection on new construction?

Yes, and for a reason that has nothing to do with the builder's competence. A municipal building inspection and a private home inspection have different purposes, different scopes, and different clients. The village inspector is confirming the house meets the adopted building code. That's a minimum standard, and it's a pass or fail against a checklist. Your inspector works for you and reports what's actually wrong, including things that pass code and still aren't right. Those are two different questions, and only one of them gets answered on your behalf.

What does the village inspector actually check?

Code compliance, at scheduled points in the build.

Illinois doesn't run building inspections at the state level. The Capital Development Board says it plainly: the state does not perform plan reviews, issue building permits, or perform code inspections for privately funded construction. Your local code official is the authority, and they're enforcing whatever version of the residential code your village adopted.

That's a real function and it catches real problems. But understand what it is. The inspector is verifying that the framing, the electrical rough-in and the mechanicals meet a minimum published standard. They're not evaluating workmanship. They're not there to tell you the HVAC is undersized for the room over the garage, or that the grading slopes toward the foundation, or that somebody stepped through a duct and crimped it. Those are your problems, and they cost your money.

Now, this is where the framing matters. The average builder isn't cutting corners, and the average village inspector isn't asleep. They're both doing a job with a defined scope. The gap between those two scopes is where your inspector lives, and nobody in the transaction is paid to point that gap out to you.

When should you inspect a new construction home?

Three times, and the middle one is the one you can't get back.

Foundation, before the pour. Footings, rebar, waterproofing, drain tile. Once the concrete goes in, this is archaeology.

Pre-drywall, and this is the big one. Framing, electrical rough-in, plumbing, HVAC ducting, insulation, the fire blocking. Every system in your house is visible on exactly one day, and then it's covered for the life of the building. This inspection typically costs a few hundred dollars and it is the highest-value money you will spend on the entire purchase.

Final walkthrough, before closing. Finishes, appliances, grading, everything that got installed after drywall.

Then there's a fourth one nobody tells you about.

The eleventh-month inspection. Most builder warranties run on a 1-2-10 structure: one year on workmanship and materials, two years on systems, ten years on major structural. That one-year workmanship window is where the settling cracks, the sticking doors, the nail pops and the trim separation all show up, and it closes on the anniversary of your closing. Book an inspection at month eleven, submit the list before the window shuts, and the builder fixes it. Skip it and you own it.

Write that date down the day you close. It's the cheapest thing in this article.

Can a builder walk away from a defect?

Illinois recognizes an implied warranty of habitability on new construction, which protects a buyer against latent defects even without a written promise. Builders can and sometimes do include a waiver of it in the purchase contract.

That's as far as I'll take it, because whether a specific waiver in a specific contract is enforceable is a legal question and not mine to answer. What I can tell you is that the clause exists, that it usually sits in the paperwork you sign at the sales office months before anything gets built, and that it's worth having a real estate attorney read your builder contract before you sign it rather than after. That's a two-hundred-dollar conversation protecting a five-hundred-thousand-dollar purchase.

Have your attorney look for it specifically. Ask them what it means for you. Don't take my word or the sales office's.

Should you use the builder's preferred lender?

Sometimes. It depends entirely on whether you've compared, and most buyers never do.

Builders offer incentives through an affiliated or preferred lender because it keeps the transaction inside the house and because it lets them buy down your rate instead of cutting the price. A rate buydown doesn't show up in the closed-sale record. A price cut does, and it comps down the next twelve houses in the subdivision. That's not sinister. It's just what the incentive is for, and knowing it tells you what's actually being traded.

Here's the part worth knowing: a builder cannot legally require you to use their lender to get the house. Federal settlement procedures rules bar conditioning the sale on the use of an affiliated settlement service provider, and where an affiliated business relationship exists, it has to be disclosed to you in writing. What a builder can do is attach an incentive to their lender, which is a very different thing from a requirement. If somebody tells you it's required, that's your signal to slow down and ask for it in writing.

So run it as arithmetic instead of loyalty.

Get a full loan estimate from the builder's lender with the incentive applied. Get a second one from an outside lender without it. Compare the total cost over the years you'll actually own the house, not the monthly payment. A ten-thousand-dollar closing cost credit against a rate a quarter point higher is a good trade if you're moving in four years and a bad one if you're staying twelve. The incentive is real money. It just isn't automatically the better number, and you can't know which until you have both pages side by side.

And you can use the outside quote as leverage either direction. Plenty of builders will match.

What's an extended rate lock, and do you need one?

If your house is six to twelve months from finished, yes, and it's the financing question specific to new construction.

A standard rate lock runs thirty to sixty days. That's fine on a resale closing in five weeks. It's useless on a build that won't have a certificate of occupancy until next spring. An extended lock holds your rate for a longer window, typically at a cost, either in points paid up front or a slightly higher rate.

Two things to ask about, and ask before you sign the builder contract, not after:

A float-down. Some extended locks let you take a lower rate if the market drops during the lock period, usually once, usually with conditions. It costs something. It's worth pricing.

What happens if the build runs long. Builds run long. Ask what the extension costs, how many extensions you get, and what happens if you blow past the lock entirely. That answer belongs in your hands in writing before you're eight months in and unable to walk.

If you want the mechanics of what a buydown actually buys and what it costs, how interest rate buydowns work breaks down permanent versus temporary.

Does an appraisal work differently on new construction?

It can, and the problem is a specific one.

In a new subdivision, the only recent sales may be the builder's own sales. So the appraiser is comping your house against other houses sold by the same builder, at prices that same builder set, several of which carried incentives. Concessions on those comparable sales have to be reported and analyzed, and adjusted for how the market actually reacted to them, not dollar for dollar.

What that means practically: in a subdivision where every sale carried a large incentive, the reported prices are all inflated by the same amount in the same direction, and there's no outside sale to check them against. It usually works out. When it doesn't, you find out late.

Ask your lender early whether there are non-builder comparable sales in the area. If the answer is no, you want to know that in month two, not in month nine.

The tax bill nobody warns you about

This is the one that actually costs people money, and it's the single most common new construction surprise in this market.

Illinois assesses property as of January 1 and bills a full year in arrears. So a house that got finished in August is assessed on January 1 of that year as vacant land, or as a partial improvement if the foundation was in. That's the bill that shows up in your first year. It's small, because it's taxing dirt.

Your lender sets up your escrow against that bill. Your payment looks great.

Then the house gets on the roll at full value, the real bill arrives, your escrow analysis runs, and your payment jumps. Not by a little. It has to make up the shortfall from the prior year and fund the new, much higher bill going forward, so the increase lands roughly doubled for the first correction cycle.

Nobody lied to you. The escrow was funded off the only number that existed at the time.

Here's what it looks like with real parcels. These are two nearly identical two-story homes in the same Will County subdivision, same 2026 tax year. One was built in 2025, one in 2026. The buyers paid within twelve thousand dollars of each other.

Read the bottom two rows together. The 2026 buyer paid $346,990 for a house the county currently values at $18,986, because the assessor hasn't recorded that a house exists on that lot yet. The 2025 buyer, one year ahead of them, is being taxed on $400,543.

That is the same house at two points in the same process. The second column becomes the first column. Whatever tax figure you are looking at on a brand new build, that is where it is going, and the gap is roughly twentyfold.

Follow one of those parcels by itself and it's just as stark: 1,810 assessed in 2024, 7,683 in 2025, 133,501 in 2026. Seventeen times in one year. Seventy-four times over two.

What to do about it, and this is the whole point of the section: don't budget from the tax figure on the listing sheet, and don't budget from your first escrow analysis. Call the township assessor and ask what the fully assessed value will be once the house has been on the roll for a full year. Apply the current composite rate for that tax code. Budget from that number, and ask your lender to fund the escrow against it rather than against the land-only bill.

You can front-load the escrow voluntarily. Most people don't know that's an option.

Why your escrow payment went up covers the mechanics of the correction, and how property taxes work in Illinois covers the assessment side. A resale doesn't have this problem, because the house has been fully assessed for years and the number on the listing sheet is real.

Over five to ten years the tax difference evens out. It's year one and year two that break budgets, and it breaks them for people who did everything else right.

Do FHA, VA and USDA treat new construction differently?

Yes, and it's paperwork rather than a barrier.

Each of those programs has documentation requirements for new or proposed construction that a resale doesn't trigger. Depending on the program and the stage of construction, that can include a builder's warranty document, evidence of a certificate of occupancy, or inspection documentation. VA requires a builder warranty on new construction as a condition of the guaranty.

None of this stops you from buying new with government financing. It does mean the builder has to produce documents on your lender's schedule, and builders vary a lot in how quickly they do that. Ask your loan officer in the first week what the program requires and who is responsible for producing each item. Then ask the builder's sales office whether they've done that program before. The answer tells you more than the brochure does.

The Bottom Line

New construction isn't riskier than resale. It's differently risky, and the differences are concentrated in two places.

On the inspection side, you're trading known problems for unknown ones. A resale shows you thirty years of evidence. A new build shows you nothing, which is why the pre-drywall inspection matters so much and why the eleventh-month deadline matters more than anyone tells you. The village inspected for code. Your inspector inspects for you.

On the financing side, you're trading a five-week close for a nine-month one, which puts your rate at risk and your tax escrow on a lag. The builder's incentive is real money and might be the right call. You just have to run the second quote to find out, and a builder can't make you skip it.

Do those two things, the pre-drywall inspection and the second loan estimate, and you've handled most of what makes new construction different. Neither one is expensive. Both of them have to happen on a schedule that's already running.

Frequently Asked Questions

Can the builder refuse to let my inspector on site?

Some builder contracts restrict site access during construction, usually citing liability and insurance. It's negotiable and it's worth negotiating before you sign, not after. Ask specifically about pre-drywall access. If a builder won't allow an independent inspection at any stage, that's information about the builder, and you should weigh it accordingly.

Is new construction more expensive than a comparable resale?

Usually yes on the sticker, and the honest comparison isn't the sticker. A new build typically costs more per square foot but comes with new mechanicals, a warranty, and current code. A resale costs less and comes with a roof, a furnace and a water heater that are all somewhere in their service life. Price the replacements you can see coming, then compare.

What does the builder's warranty actually cover?

Most run a 1-2-10 structure: one year on workmanship and materials, two years on systems like plumbing, electrical and HVAC, and ten years on major structural elements. Structural coverage is narrower than people assume and generally means something that makes the home unsafe or unlivable, not a cracked driveway. Read the actual warranty document, not the summary in the brochure.

Should I buy the upgrades through the builder or do them later?

It depends on whether you can finance them and whether you'd have to tear something out. Anything behind a wall or under a floor is cheaper and far less disruptive done during the build. Anything cosmetic and surface-level, you can almost always do later for less. The builder's markup on finishes is usually the worst value in the design center; structural and mechanical upgrades are usually the best.

Does a lot premium hold its value?

Sometimes, and it's not automatic. A premium for something permanent, backing to a preserve, a cul-de-sac, a genuinely better orientation, tends to hold because the next buyer can see it too. A premium for something the market doesn't price separately often doesn't. Ask what the premium is for, then ask whether a resale buyer would pay it.

How long does new construction actually take?

Longer than the sales office estimate, generally. Weather, inspections, trade scheduling and material availability all compound. Build your rate lock, your lease end date and your move plan around a later date than you're quoted, and treat an early finish as a bonus rather than a plan.

Do I still need an attorney on a builder contract?

Yes, and arguably more than on a resale. The builder's contract is written by the builder's lawyers and it is not the standard form your attorney sees every week. The warranty terms, the access provisions, the delay clauses and any warranty waiver are all in there, and they're all negotiable before you sign and none of them are after.

If your builder handled something on this list better or worse than described, tell me. I'd rather know which builders in this market actually allow pre-drywall access than guess at it.

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Before you sign a builder contract, set up a time and we'll go through the two things that cost the most to get wrong: what your rate lock has to cover for your build timeline, and what your tax bill will actually be in year two rather than year one. Twenty minutes, and it happens before you're committed instead of after.

Brian Wittman | Blue Jean Broker
Real Estate | Mortgage | Life Insurance | Financial Literacy
Based in Manhattan, IL | Serving the Chicago Suburbs

Brian Wittman is a licensed real estate broker (Real Broker LLC), mortgage loan originator (NMLS #2646598, NEXA Mortgage, LLC, Equal Housing Lender), and life insurance producer (Levinson & Associates). This article is for educational purposes only and is not financial, lending, tax, or legal advice, an offer, or a commitment to lend; all loans are subject to credit approval. Information is accurate as of the publication date; for current details and full disclosures, visit https://bluejeanbroker.com/disclosures.