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Area data

Seattle, WA — ZIP 98121

Population: 21,166 (Census ACS)

Home values & appreciation

Median home value
$544,576
1-year appreciation
-5.4%
3-year appreciation
-12.0%
5-year appreciation
-12.6%
10-year appreciation
+2.5%
All-time peak (2018-08)
$716,974
House Price Index
588.1 (+2.2% YoY)

Market activity

Median sale price
$599,000
Median list price
$517,000
Median days on market
42.5 days
Sale-to-list ratio
98.3%
Active listings
143
1-year forecast
-1.6%
Days to pending
86 days
New listings (monthly)
40

Rents

Typical rent
$2,700/mo
1-year rent change
-2.5%
1BR fair-market rent
$3,210/mo
3BR fair-market rent
$4,890/mo

Affordability

Cost of living index (Above Average)
107.5 (100 = US avg)
Electricity rate (state-level)
13.1¢/kWh
Natural gas rate (state-level)
$17.60/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Natural hazards & flood risk

Overall hazard risk
Very High
Top hazards
avalanche, earthquake, inlandFlooding, heatWave, iceStorm
FEMA flood zone
A
Flood risk level
High

Climate (30-year normals)

Annual precipitation
38.4 in

Air quality

Air quality rating
Good
Median AQI (annual)
46
Days with Good air quality
214
Days with Unhealthy air quality
1

Walkability & transit

Walkability index
17.0 / 20
Transit service frequency
154

Amenities

National parks within ~60 mi
3
Nearest national park
Klondike Gold Rush - Seattle Unit National Historical Park (1 mi)
Nearest airport
King County International Airport - Boeing Field (BFI) (7 mi)
Nearest major airport
King County International Airport - Boeing Field (BFI) (7 mi)
Hospitals nearby (~15 mi)
13
Avg hospital rating
3.3 / 5
Solar radiation rating
Poor (3.5 kWh/m²/day)

Migration

Net migration
-5,092 tax filers

Housing stock

Median year housing built
2,005
Median annual property tax
$7,225
Mean commute to work
11 min
Households with broadband internet
86.3%

Employment & development

Total county employment
1,282,761
Average weekly wage
$2,389
Top industries (by employment)
Health Care, Professional Services, Information
Annual residential building permits (county)
2,030

Area data compiled from public government, academic, and industry research feeds. Data sources →

Data last updated

Most recent source refresh: Aug 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents