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Aerial photo of Mercer Island, WashingtonPhoto: Dllu · CC BY-SA 4.0
Housing in Mercer Island

237 homes sold in Mercer Island in the last year, at a typical $2.4M

Almost every sale is a house. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Mercer Island homes are listed.

Homes for sale in Mercer IslandZillowRedfinRealtor.comMore places to look ↓
Homes sold
237
October 2025 to September 2026
Typical sale price
$2.4M
houses $2.5M · condos $669K (year to May 2026)
Price per square foot
$773
Washington $346
Paid vs. asking
98.4%
21% sold over asking
For sale now
74
September 2026 · 21 sold that month
What sold · last 12 months

11% of Mercer Island’s sales are condos, at $1.9M less than a house

221 houses and 27 condos sold in the year to May 2026. Houses draw more bidding wars.

Houses$2.5M

typical sale · 221 sold in the year to May 2026

Per square foot
$800WA $348
Days to sell
26
Sold over asking
19%
Listings with a price cut
24%
Condos$669K

typical sale · 27 sold in the year to May 2026

Per square foot
$574WA $433
Days to sell
28
Sold over asking
4%
Listings with a price cut
44%
Fewer sales

Townhouses: 4 sold, typical $1.8M

Too few sales in 12 months for reliable figures.

14 years of sales

Fewer homes sell than before 2022, at twice the 2016 price

237 sales in the last year, against 453 in 2021 and a low of 253 in 2025. The typical sale went from $1.2M in 2016 to $2.4M.

Homes soldTypical sale price
0125250375500$1.2M$1.7M$2.1M$2.6M2012: 343 sold, typical $798K’122013: 404 sold, typical $920K2014: 386 sold, typical $1M’142015: 383 sold, typical $1.1M2016: 359 sold, typical $1.2M’162017: 415 sold, typical $1.4M2018: 362 sold, typical $1.6M’182019: 349 sold, typical $1.5M2020: 390 sold, typical $1.6M’202021: 453 sold, typical $2M2022: 257 sold, typical $2.3M’222023: 254 sold, typical $2.2M2024: 266 sold, typical $2.3M’242025: 253 sold, typical $2.4MLast 12 months: 237 sold, typical $2.4MNow

Source: Redfin Data Center, MLS sales; from June 2026 each month is a 3-month rolling window, its counts divided by 3. Typical price and $/sq ft are the monthly medians, weighted by sales. Redfin stopped publishing towns’ figures by property type after May 2026, so houses and condos are shown for the year to then.

What your budget buys

What $2M buys in Mercer Island

Houseat $800 a sq ft, year to May 2026
Condoat $574 a sq ft, year to May 2026
The same money in Washingtonat $348 a sq ft, year to May 2026

Is this asking price fair?

Check a listing against what Mercer Island homes sold for

Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.

What the sales history says · 14 years of sales

Bidding wars in Mercer Island are rarer than before the pandemic, but a third fewer homes come up for sale

We read every month of Mercer Island’s home sales since 2012 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to September 2026, 237 sales.

If you’re buying in Mercer Island

  • Shop in June. It brings about 48 new listings a month, close to the busiest month, with fewer bidding wars (37% over asking).
  • Bid near asking. Buyers paid 98.4% of the list price on average; 21% paid over.
  • Move fast on good ones. Half of homes are under contract within two weeks.
Best time to buy

Spring brings both the most homes and the most bidding wars

May has the most new listings (about 49 a month), but April is the most competitive: 50% of April sales close over asking. January has the least competition (21%) but only about 22 new listings.

New listings a monthShare sold over asking
012.52537.55020%40%60%Sweet spotJan: 22 new listings a month, 21% sold over asking, 46 days to sellJFeb: 32 new listings a month, 42% sold over asking, 26 days to sellFMar: 44 new listings a month, 45% sold over asking, 9 days to sellMApr: 41 new listings a month, 50% sold over asking, 8 days to sellAMay: 49 new listings a month, 40% sold over asking, 10 days to sellMJun: 48 new listings a month, 37% sold over asking, 11 days to sellJJul: 39 new listings a month, 35% sold over asking, 11 days to sellJAug: 33 new listings a month, 29% sold over asking, 14 days to sellASep: 36 new listings a month, 31% sold over asking, 17 days to sellSOct: 27 new listings a month, 33% sold over asking, 14 days to sellONov: 14 new listings a month, 28% sold over asking, 19 days to sellNDec: 8 new listings a month, 31% sold over asking, 34 days to sellD

Averages for each calendar month, 2015 on.

How competitive is it now?

Calmer than the 2021 frenzy, and about like Washington as a whole

Mercer Island now2017–192021 peakWA now
Sold over askingShare of sales that closed above the list price21%31%58%25%
Gone within two weeksShare of homes under contract within 14 days53%54%77%38%
Price paid vs. askingAverage sale price ÷ list price98.4%100.2%106.2%99.1%
Days to sellMedian days from listing to contract2119635
Supply

49 homes for sale on a typical day

That’s 3 times the 2021 low (16), 30% fewer than in 2017–19 and well under 2012’s 95.

2012: 95 for sale’122013: 94 for sale2014: 75 for sale2015: 55 for sale’152016: 62 for sale2017: 61 for sale2018: 66 for sale’182019: 84 for sale2020: 44 for sale2021: 16 for sale’212022: 30 for sale2023: 29 for sale2024: 31 for sale’242025: 46 for saleLast 12 months: 49 for saleNow
Prices by type

Since 2019, houses are up 50%, condos 20%

A house typically sold for $2.5M in the year to May 2026 (221 sales), a condo for $669K (27).

$850K$1.5M$2.2M$2.8M2013201520172019202120232025NowHouses 2013: $1M, 356 salesHouses 2014: $1.1M, 342 salesHouses 2015: $1.2M, 330 salesHouses 2016: $1.4M, 297 salesHouses 2017: $1.6M, 349 salesHouses 2018: $1.7M, 307 salesHouses 2019: $1.7M, 305 salesHouses 2020: $1.7M, 329 salesHouses 2021: $2.2M, 366 salesHouses 2022: $2.6M, 214 salesHouses 2023: $2.3M, 220 salesHouses 2024: $2.5M, 238 salesHouses 2025: $2.5M, 223 salesHouses last 12 months: $2.5M, 221 salesHouses $2.5MCondos 2013: $286K, 45 salesCondos 2014: $338K, 42 salesCondos 2015: $390K, 49 salesCondos 2016: $449K, 49 salesCondos 2017: $454K, 55 salesCondos 2018: $490K, 53 salesCondos 2019: $558K, 41 salesCondos 2020: $582K, 53 salesCondos 2021: $588K, 82 salesCondos 2022: $651K, 38 salesCondos 2023: $640K, 30 salesCondos 2024: $651K, 25 salesCondos 2025: $679K, 26 salesCondos last 12 months: $669K, 27 salesCondos $669K

Median sale price, weighted by sales each month. Years with fewer than 4 sales of a type are left out.

Across Washington

Mercer Island ranks 136th of 191 busy Washington markets for bidding wars

Share of sales over asking in the last year, among towns with 60 or more sales. Mercer Island is in the middle of the pack.

Source: Redfin Data Center, city figures, January 2012 to September 2026 (MLS sales, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Ratios are weighted by homes sold; price cuts by homes for sale.

Before you buy in Mercer Island

Five things worth knowing

49

New listings in May

The month with the most choice. December has the fewest, about 8.

Best time to buy
A+

Schools

The schools grade for Mercer Island, from test results, graduation and how much students grow.

Schools in Mercer Island
24 min

Typical commute

The average one-way trip to work for people who live in Mercer Island.

Work & commute
Flood

Check the flood map

Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.

Natural hazards
Records

Look up any property

Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.

Nearby markets · last 12 months

Newcastle, Bellevue, Bryn Mawr-Skyway and Boulevard Park sell for less a square foot; Medina and Clyde Hill for far more

The busier markets within 25 miles of Mercer Island, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.

SoldTypical sale$/sq ftOver askingDays to sell
Bellevue1,444$1.5M$68015%20
Mercer Island237$2.4M$77321%21
Newcastle190$1.5M$57222%32
Bryn Mawr-Skyway142$702K$36719%30
Medina39$4.6M$1,2689%50
Clyde Hill32$4.4M$1,03315%37
Boulevard Park24$453K$27426%71

Redfin Data Center, October 2025 to September 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.

Selling, or renting out?

Post your home to Mercer Island, free

Selling it yourself, renting out an apartment or looking for a roommate? Post it to Mercer Island. People who follow the town see it, and so do people comparing Mercer Island with their own town. No commission, no listing fee.

Questions about buying a home in Mercer Island

What do homes sell for in Mercer Island, WA?

237 homes sold in the year to September 2026 at a typical $2.4M, $773 a square foot. Houses sold for about $2.5M, condos for about $669K in the year to May 2026.

Is Mercer Island a buyer’s or seller’s market?

A seller’s market: 74 homes were for sale in September 2026 and 21 sold, about 3.4 months of supply. Buyers paid 98.4% of asking on average.

When is the best time to buy in Mercer Island?

May brings the most new listings. The sales history shows which months have fewer bidding wars.

Where can I see homes for sale in Mercer Island?

Zillow, Redfin, Realtor.com and Homes.com all carry Mercer Island’s MLS listings; the search links above open each one filtered to Mercer Island.

Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).