Real Estate Data API

98040 Mercer Island

196 active listings out of 9.2K total properties we track in ZIP 98040 (Mercer Island, WA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
196
Median
$2.5M
+21.6%
Sold Sep
21
+90.9%
Tracked
9.2K

Download Mercer Island 98040 property data

9,199 property records for ZIP 98040 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 1.1 MB Parquet · CSV (1.7 MB)

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Zoomed out

While you're here, take in the bigger picture — maps below show Seattle metro, not just 98040. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 98040 has recorded 209 home sales. In September 2026 there were21 sales (+90.9% vs the prior month). Most recent median sale price: $2.67M.

Key Numbers
Tracked
9.2K
Active
196
Median list
$2.5M
Sales (12mo)
209
Get this data →

Right now, 196 homes are actively for sale in ZIP 98040. Median list price is $2.5M at $790/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
9.2K
Active
196
Median list
$2.5M
Sales (12mo)
209
Get this data →
Key Numbers
Tracked
9.2K
Active
196
Median list
$2.5M
Sales (12mo)
209
Get this data →
Key Numbers
Tracked
9.2K
Active
196
Median list
$2.5M
Sales (12mo)
209
Get this data →
Key Numbers
Tracked
9.2K
Active
196
Median list
$2.5M
Sales (12mo)
209
Get this data →
Key Numbers
Tracked
9.2K
Active
196
Median list
$2.5M
Sales (12mo)
209

Inventory breakdown

Distribution of the 196 currently-active listings in ZIP 98040. Full dataset covers 9.2K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 3 (1.5%)
$300K–$500K 12 (6.2%)
$500K–$750K 7 (3.6%)
$750K–$1M 8 (4.1%)
$1M–$2M 40 (20.5%)
$2M+ 125 (64.1%)
Active by bedroom count
Studio/1 bd 9
2 bd 19
3 bd 31
4 bd 70
5+ bd 59
Active by property type
Single Family 162 (82.7%)
Condo 24 (12.2%)
Lot 8 (4.1%)
Townhouse 2 (1%)
For Developers

Get Mercer Island 98040 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/98040
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "98040",
  "total_tracked": 9215,
  "active": 196,
  "median_list": 2495000
}

ZIP 98040 · Mercer Island, WA real estate: market summary

As of November 2026, Straply tracks 9,215 homes in ZIP 98040 (Mercer Island, WA), with 196 active for sale at a median list price of $2,495,000 (~$790/sq ft). Notably, home prices are climbing — the median sale price is up 22% year over year.

Median list price
$2,495,000
Median $/sq ft
$790
Active listings
196
Median sale price
$2,675,000 (+22% YoY)
Properties tracked
9,215

Frequently asked: ZIP 98040 · Mercer Island, WA real estate

What is the median home price in ZIP 98040?

The median list price in ZIP 98040 (Mercer Island, WA) is $2,495,000 (about $790 per square foot), based on 196 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 98040?

Active listings in ZIP 98040 (Mercer Island, WA) concentrate in: 64% $2m+ and 20% $1m–$2m.

Are home prices in ZIP 98040 going up or down?

The median sale price is $2,675,000, up 22% year over year. Straply tracked 209 sales here over the past 12 months.

How many homes are for sale in ZIP 98040?

Straply is tracking 196 active listings in ZIP 98040 (Mercer Island, WA) out of 9,215 properties on record as of November 2026.

How old are the homes in ZIP 98040?

Most homes in ZIP 98040 (Mercer Island, WA) were built in the 1960s. About 33% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in ZIP 98040?

ZIP 98040 (Mercer Island, WA) is mostly single-family homes (83% of listings). Also common: condos 12%.

How many bedrooms do homes in ZIP 98040 typically have?

The most common size in ZIP 98040 (Mercer Island, WA) is 4 bd.

What areas are near ZIP 98040?

Nearby markets Straply also tracks include Seattle 98118, Bellevue 98006, Seattle 98144, Bellevue 98004.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.