Newcastle, WA Homes for Sale

Newcastle is a small city on the east side of Lake Washington, and the homes for sale here sort themselves along one line more than any other: whether you are buying inside the Issaquah school footprint or outside it. That is the decision, and it comes before floor plans, before lot size, before anything about the house itself. Everything else on this page follows from it. Homes Northwest works this market street by street and knows how those parcels are drawn, which matters when two listings a few minutes apart are not the same purchase. Start by deciding which side of that line you want to be on, then let the property type follow.

Newcastle at a Glance

ZIP codes in these listings

98059 · 98056

Typical asking price

$1,399,900 (median of 59 homes, excluding 7 land and other non-dwelling listings)

Typical sold price

$1,544,998, middle half $1,175,000-$2,300,000 (median of 200 home sales, excluding 3 land and other non-dwelling sales, past 12 months)

Typical home

2,596 sq ft (n=59) · 4 bed / 3 bath (medians, n=59)

Typical days to sell

27 days (median of 200 closed home sales, past 12 months)

Months of supply

3.5 (seller's market, homes only)

Sold-to-list

100% of asking (median per home sale, n=200) · 21% sold above asking

Data current as of

August 2026

What you are actually shopping for in Newcastle

In plain terms, buyers here are shopping for a home inside the Issaquah school footprint. That is the shape of the search. You are not choosing between a dozen distinct pockets with different characters; you are deciding whether that footprint is the thing you want to own inside of, and then working through what is available within it. Once you have answered that, the rest of the search becomes ordinary: how much house, how much yard, how much of the upkeep you want to carry yourself. Answer it first and the listing pool narrows honestly rather than by guesswork.

Homes in Issaquah Schools in Newcastle

This is the segment of Newcastle where the listings report Issaquah schools, and the houses themselves are substantial: a median sale of around $2.31 million across 88 sales, typically built in 2004. Owning one means the roof, the siding, the driveway and the yard are all on your calendar and your budget, with no fee absorbing any of it. Homes of this vintage are usually past their first round of small repairs and approaching the point where a furnace, a water heater or a roof becomes a real line item, so ask the seller which of those have already been replaced and when. Thirty days is the typical span from listing to close here.

View all Homes in Issaquah Schools in Newcastle

New construction homes in Newcastle

The newer end of Newcastle hands you a house where everything is new, under warranty and built to current code, so the first several years are yours to live in rather than renovate through. That is the practical difference from the older stock: no staging of replacements, no guessing at what the last owner deferred. The median sale sits at $1,888,000 across 81 sales, with about a month between listing and close. What you notice living in one is the absence of a project list. The furnace, the roof and the water heater all start their lives on the same day you move in, and your weekends go to unpacking and landscaping instead of scheduling contractors around a house that is already asking for attention.

View all New Construction Homes in Newcastle

Condos in Newcastle

Buy on the attached side of Newcastle and the exterior, the grounds and the roof run on somebody else's calendar. What is left to you is the interior and your own time, which is the whole trade. The median sale is $585,000 across 20 sales, with about 69 days the typical span from listing to close. In exchange for the dues you give up the decisions: you do not choose the siding, the paint or when the parking gets resurfaced, and you do not schedule any of it either. Ask what the dues actually cover before you get attached to a unit, because that line is the real difference between two similar floor plans. Day to day, you own the walls in and lock the door behind you.

See the full Condos search for Newcastle

What owning in Newcastle asks of you

The typical home here was built in 2013, with the middle half of the stock spanning 1989 to 2025. That is the age where the first big-ticket replacements begin to land, so have the seller tell you which of them have already happened rather than assuming. More than half of what sells is single family; roughly a third is condo, and on that side a monthly fee stands between you and the exterior work. Some Newcastle properties sit inside an association with rules and recorded documents, and some sit in no subdivision at all with nothing governing them but code. Establish which applies to any listing you are serious about, because it changes what you can build and what you owe. The most common layout sold is a five-bedroom, at a median of $1,850,000, and about half of closed prices land between $1 million and $2 million. A house that size is a real amount of roof, gutter and yard to keep on schedule.

What buyers filter for in Newcastle

Views are the first filter most people reach for. Territorial is what most listings report, mountains show up on roughly one in six, a lake view on about one in ten, and a golf course view on a small share, so narrowing to one of the rarer categories cuts your pool quickly. School fields are the other common filter, and they need care. The high schools the listings name are Liberty Snr High on about half and Hazen Snr High on about a quarter, with about a quarter left for the buyer to verify. At the elementary level, more than half report Newcastle and about a quarter Hazelwood Elem, with roughly one in six unspecified. Middle school shows Cougar Mountain Middle on roughly a third and Risdon Middle School on about a quarter, again about a quarter unverified. These entries are typed per property by the listing agent rather than drawn from district assignments, and boundaries move and fields go stale. Treat them as what the listing says, and confirm the current assignment for a specific address with the school district itself.

What to pin down before you make an offer

• Wildfire exposure from surrounding forested greenbelt.
• Homeowners association dues, reserves, and architectural design controls.
• Golf club membership requirements, cart path easements, and course perimeter protections.
• School district attendance boundaries and cross-district enrollment options.
• Check which fire district serves the property and get a homeowners quote early, since availability varies by location.

Buying in Newcastle with Homes Northwest

Homes Northwest works this city closely enough to tell you what a given listing actually commits you to before you write an offer, which is usually the difference between a decision that feels rushed and one that feels settled. That means sitting with you over the two paths this page has laid out, homes inside the Issaquah school footprint and new construction, and talking through which one matches how you want to spend your time and money once you have the keys. The choice is yours to make, and it is worth making deliberately, so that the home you end up in is one you are glad you chose.