New developments

Buying in a new development or next to one: what to check first.

Buying in a neighborhood that is still being built — or next to a large project that has just broken ground — changes what you are actually buying: years of construction traffic, future neighbours you cannot see yet, and resale competition from brand-new homes. It can also bring new streets, parks and services. This hub lists what to look up before you commit.

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Established neighborhood street with new homes being framed and cranes in the background — AI-generated concept illustration; not a photo of a specific place or property.

Quick answer

Before buying in or beside a new development, look up the approved plans: the preliminary or final plat, future phases, building permits and any planned road or utility work, using the city permit portal and King County iMap. Expect construction noise and traffic for the length of the build, and read the city's construction-hour rules. If you are buying from the builder, compare incentives on price, rate buydown and closing costs separately, and check whether they require the builder's lender. In a new HOA the builder (declarant) usually controls the board at first; read the budget, the turnover timeline and the reserve plan. When you sell later, new homes in later phases can compete with yours and become the comps the appraiser uses.

Plat + phases

Approved plans show how many homes, roads and parks are still coming

3 incentive types

Price reduction, rate buydown and closing-cost credits should be compared separately

Declarant control

In a new HOA the builder usually runs the board until turnover

Questions this hub answers

buying in a new development
buying a home near a new construction neighborhood
new construction neighborhood pros and cons
builder incentives
future phases of a subdivision
how new construction affects home values
new HOA declarant control

Five checks before you buy

01
Pull the plans
Search the city permit portal (many Eastside cities use MyBuildingPermit.com) and King County iMap for the plat, phases, permits and any land-use applications nearby.
02
Visit at work hours
See the site on a weekday morning: trucks, noise, dust and parking. Check the city's construction-noise hours and how long the build is expected to last.
03
Separate the incentives
Ask the builder to price the home with and without their lender. A rate buydown, a price cut and a closing-cost credit have different long-term value.
04
Read the HOA plan
Review the declaration, the builder-set budget, reserve funding and when control turns over to owners. Early budgets can rise once the builder stops subsidising.
05
Think about resale
Ask how many homes are still to be sold and at what prices. Unsold new inventory can slow resales and set the comps for your home.

Buying in or near a new development: trade-offs

Factor	Upside	Watch out for
Neighborhood	New streets, sidewalks, parks	Years of construction traffic and noise
Home condition	New systems, energy code	Punch-list items and settling
Price and incentives	Builder credits or buydowns	Incentives tied to the builder's lender
HOA	Fresh amenities	Builder-set budget can rise after turnover
Resale	Area becomes established	Competing with new homes in later phases

Subdivision site plan with lot lines, a hard hat and a pen — AI-generated concept illustration; not a photo of a specific place or property.

Checklist

New development checklist

Plat, phase map and remaining lots
Building and land-use permits nearby
Construction-hour rules and expected build length
Builder price with and without preferred lender
Purchase agreement terms on completion dates and changes
HOA declaration, budget, reserves and turnover date
Independent home inspection, even on new construction
Builder warranty terms in writing

New development FAQ

Does nearby new construction raise or lower home values?

It can do either. New amenities and an established look can help over time, while a large supply of new homes for sale can compete with resales in the short term. Look at actual sales in comparable areas rather than a general rule.

Are builder incentives worth it?

Sometimes. Compare the total cost: a rate buydown may cost the builder the same as a price cut but helps you differently, and a required lender may have higher fees. Get a competing loan estimate.

Should I get an inspection on a new home?

Yes. An independent inspector often finds items to add to the builder's punch list before closing and again before the warranty period ends.

Who runs the HOA in a new subdivision?

Usually the builder (declarant) at first, with control passing to owners under the declaration and Washington's community association statutes. Read the turnover terms and the reserve plan.

Sources

Last checked November 13, 2026. Official sources for the key rules on this page; they describe general rules, and your contract, lender, tax adviser, association documents and each agency's current rules control your specific case.

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Looking at a home in a neighborhood still under construction?

Send us the address or community name. We will pull the plat and permits, compare builder incentives against an outside loan and show how upcoming phases may affect resale.

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