Should I Buy a New Construction Home or an Existing Home?

Builder advertising is legal, but it's built around a number almost nobody actually pays: the base price of the smallest floor plan on the least desirable lot with the base-grade finishes. Everything that makes the model home look like the model home is usually an add-on.

Here's what commonly sits outside the base price:

• Lot premium. A corner lot, a cul-de-sac, a walkout basement, a lot backing to green space instead of another house — all of these can add real money, sometimes tens of thousands of dollars.
• Structural upgrades. Extra square footage, a finished basement, an extra garage bay, or a bump-out are priced separately and can't always be added later.
• Design center selections. Countertops above the builder-grade tier, flooring upgrades, cabinet finishes, and lighting packages are where many buyers get their biggest surprise. Walking out of the design center $20,000–$50,000 over the base price is common, not rare.
• Landscaping. Some builders include only minimal sod and no trees; a finished yard may be a separate line item or entirely on you after closing.
• Window coverings. New-construction homes routinely close with bare windows. Blinds or shades are your cost, and on a two-story great room that's not a small check.
• Site and utility costs. Sloped lots, well and septic instead of municipal service, or unusual soil conditions can trigger engineering or site-prep charges that aren't in the standard price sheet.

Ask for a fully itemized, all-in price before you get emotionally attached to a model. Run that real number, not the sign number, through the mortgage payment calculator and the affordability calculator before you sign anything.

Builders often offer meaningful closing-cost credits, design-center allowances, or a rate buydown if you finance through their preferred or affiliated lender. These incentives are real and can be worth tens of thousands of dollars — but they're also structured to keep your business inside the builder's ecosystem, and the headline rate isn't the whole story.

Why you should still shop the loan:

• The rate may look great and the fees may not. A below-market rate can be paired with higher origination charges, junk fees, or a shorter lock than advertised. Compare the full Loan Estimate, not just the rate quoted verbally.
• Incentives are often conditional on using their lender. That's the leverage point — it doesn't mean their loan is the best available, only that it's the one attached to the discount. Get a competing quote and ask the builder whether the incentive can be matched if you use an outside lender; sometimes it can.
• A temporary buydown isn't a permanent rate. Many builder incentives are 2-1 or 1-0 buydowns that lower your payment for the first one or two years, then step up to the note rate. Model the payment at the *final* rate, not the teaser year, using the mortgage payment calculator.
• You can still negotiate. Ask for the incentive as a closing-cost credit instead of a rate buydown if that serves your cash-to-close needs better. Run the trade-off with the closing costs calculator.

The rule of thumb: get pre-approved with an outside lender before you walk into the sales office. It gives you a real baseline to compare the builder's offer against, and it keeps you from negotiating with only one number in hand. See should I get preapproved before looking for the mechanics.

A resale purchase agreement typically gives you an inspection contingency, a financing contingency, and sometimes an appraisal contingency, all with defined windows to walk away and get your earnest money back. Builder contracts are written by the builder's attorneys, and they tend to be considerably more favorable to the builder.

What's commonly different:

• Limited or no inspection contingency. Some builder contracts don't let you cancel over inspection findings the way a resale contract would; instead, the builder agrees to fix defects under warranty. That makes independent inspections during the build even more important, since you're catching problems before drywall closes them in rather than negotiating repairs after the fact.
• Price escalation clauses. In a rising-cost environment, some contracts allow the builder to pass along material or labor cost increases between contract signing and closing. Read this clause carefully and ask for a cap if one isn't already there.
• Completion date is an estimate, not a promise. Weather, permitting, and supply delays are common, and most builder contracts protect the builder from penalties for reasonable delays. Ask what happens to your rate lock and your current lease or sale timeline if the home isn't ready when expected.
• Deposit and earnest money terms can be larger and less refundable than a typical resale deposit, especially for custom or highly upgraded homes.
• Arbitration clauses are common in builder contracts and can limit your ability to sue over defects; understand what dispute process you're agreeing to.

Have a real estate attorney or an agent experienced with new construction review the contract before you sign — the builder's on-site rep works for the builder, not for you. If you're using an outside buyer's agent, confirm before your first visit that they can represent you; some builders require registering an agent on your first visit or lose the ability to claim a commission on your behalf.

A resale closing typically takes 30–45 days from contract to keys. New construction can take anywhere from a few weeks for a finished quick-move-in home to 9–12+ months for a home built from the ground up, longer for custom builds or in high-demand markets.

That gap matters most for your rate. A standard rate lock runs 30–60 days. If your build will take six months or more, you need one of these:

• An extended or float-down lock, often available for a fee, that covers a longer build window and sometimes lets you capture a lower rate if the market improves before closing.
• A re-lock closer to completion, which means you're exposed to rate movement in the meantime — your payment estimate today is not guaranteed.
• A builder-affiliated lock program, which may bundle the extended-lock cost into the incentive package discussed above.

Ask exactly what an extended lock costs, whether it includes a float-down if rates drop, and what happens if the build runs past the locked period — extension fees can be substantial if a delay isn't the lender's fault.

Other things that move during a long build:

• Your own financial picture. You'll be fully re-verified — income, assets, credit, and debt — close to closing. A new car loan, a job change, or a dip in credit score during a nine-month build can affect your approval even though you were approved at contract signing.
• Property taxes and insurance estimates. These are often based on incomplete information (raw land, no structure yet) at contract signing and can come in higher once the home and neighborhood are built out. See the tax reassessment section below.
• Your current housing costs. If you're renting or carrying a lease that expires before the home is ready, a delay can mean a costly month-to-month renewal or a short-term rental.

Build in a buffer, both financially and in your living situation, for the build to run longer than the builder's initial estimate.

New construction usually comes with a builder warranty — commonly one year on workmanship and materials, two years on major systems like plumbing and electrical, and a longer structural warranty, often ten years, on load-bearing elements. Read what's actually covered; cosmetic issues, normal settling cracks, and buyer-caused damage are typically excluded, and you'll need to document and report issues within specific windows to keep coverage in force.

New subdivisions are also far more likely than an established neighborhood to carry ongoing costs beyond the mortgage payment:

• Homeowners association (HOA) dues are common in new communities and fund shared amenities, common-area landscaping, and enforcement of the community's rules. Ask for the HOA budget and reserve study, not just the current dues — new HOAs sometimes underprice dues early on and raise them once reserves run short.
• Community Development District (CDD) or special assessments are used in some states, especially for master-planned communities, to finance infrastructure like roads, sewer, and amenities. These show up as a separate line on your property tax bill or as a direct assessment and can run well beyond a typical HOA fee — ask specifically whether the community has one and get the payoff schedule and current balance.
• Builder-controlled HOA board in the early years means the builder — not homeowners — often sets the budget and priorities until enough homes are sold to turn control over. Understand when that handoff happens.

An existing home in an established neighborhood may still have an HOA, but it's had years to find its real operating costs, and you can review actual financial statements and meeting minutes rather than a builder's projection.

One of the most common financial surprises in new construction is the property tax bill. Many counties assess a new home's first tax bill based on the value of the land alone, because the structure wasn't complete as of the assessment date. That first year's estimated taxes — the number your lender used to calculate your escrow payment at closing — can be dramatically lower than what you'll actually owe once the county reassesses the completed home.

When the reassessment catches up, often in year two, your tax bill can jump substantially, and your escrow account may come up short. That typically means:

• An escrow shortage notice, requiring either a lump-sum payment or a spread-out increase to your monthly payment for the following year.
• A payment that's noticeably higher than what you budgeted for at closing, even though your rate and loan amount haven't changed.

This is not unique to any one builder or lender — it's how property tax assessment cycles work in most counties. Ask your lender to estimate taxes based on the completed home's expected assessed value, not the current land-only assessment, and ask the county assessor's office directly what a comparable finished home in the subdivision is currently taxed at. Build a cushion into your budget for this, and revisit your numbers with the mortgage payment calculator and the affordability calculator using the higher estimate.

Existing homes have this figured out already — the tax bill you see at the listing is a real, current number, not a placeholder that will jump in twelve months.

Existing homes solve problems new construction can't, and it's worth being just as clear-eyed about their trade-offs.

What existing homes offer:

• Negotiation leverage. Sellers can negotiate on price, closing costs, repairs, and timeline in ways a builder — who is also selling every other lot in the subdivision at a set price — usually won't.
• Mature neighborhoods. Established trees, settled traffic patterns, known school performance, and neighbors who've been there long enough to tell you what the area is really like.
• You can inspect the actual, finished product today. No allowances, no design-center guesswork, no waiting to see how the lot drains after the first heavy rain — an inspection tells you what you're buying, now.
• A known, current tax bill and, often, HOA financials with real history instead of a builder's projection.

What you give up:

• Deferred maintenance. Roofs, water heaters, HVAC systems, and windows all have a service life, and a previous owner's neglect becomes your repair bill. Budget realistically using inspection findings, not hope — see should I put 20% down for how a smaller down payment can leave less room for surprise repairs.
• Dated systems and finishes. Older electrical panels, outdated kitchens, or a layout that doesn't fit your life may mean a renovation budget on top of the purchase price. Price this in before you compare it to a new home's higher sticker price — a $30,000 discount on an existing home isn't a discount if it needs a $40,000 kitchen and roof.
• More competition in some markets and price bands, particularly for well-priced, move-in-ready homes, which can mean less negotiating room than the general rule above suggests.
• Less predictability on efficiency and warranty coverage. Older systems may not carry any warranty, and utility costs can run higher than a new home's current energy code minimums.

The fair comparison is never sticker price versus sticker price — it's total cost of ownership over your expected hold period, including likely repairs on the existing home and likely upgrades-you'll-still-want on the new one.