LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 98198 sells for about $598,375, or $389 per square foot.

Prices are down 1.3% from a year ago, which gives buyers more room to negotiate. Homes take about 8 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $1,814 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 98198 — SeaTac

King County →Seattle marketrefreshed Sep 18, 2026next refresh Oct 18, 2026
Market mood · cautiously optimistic

The 98198 housing market is showing signs of stabilization as inventory levels remain tight and demand persists despite broader regional cooling. While median prices have seen a slight year-over-year dip, the market remains competitive with short days-on-market figures, driven by its strategic location near major employment hubs.

Who this ZIP fits

This ZIP is well-suited for commuters and airport-sector employees seeking a balance between urban access and waterfront amenities, as well as families looking for more attainable price points than central Seattle.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 20 km²Water area · 2.4 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$598,375
-1.3% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
8 days
Active listings
119
Listings with price cuts
15%
share of active listings
Sale-to-list ratio
100%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
72
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
43
Growth/100

Median prices moved down 1.3% year over year.

97
Liquidity/100

Homes spend a median of 8 days on market with 1.5 months of supply — a fast-moving market.

78
Momentum/100

15% of listings have cut prices · homes sell at 100% of asking — demand is running ahead of supply.

71
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 7.2% · poverty 12.9% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$300,000$450,000$600,000$750,000$900,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 7.0%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Property tax · ten-year history

Median annual property tax paid on this ZIP's residential parcels

2016201720182019202020212022202320242025202620282030$3,000$4,500$6,000$7,500$9,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 6.7%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2020-2024 5-year estimates
Population change
+1.2%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
40,463

ZCTA 98198, King County WA

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
30.1%
Foreign-born residents
12,183
Naturalized (of foreign-born)
43.4%
Non-citizens (of population)
17.1%
Entered 2010 or later (of foreign-born)
39.8%
World region of birth (foreign-born)
Asia
37%
Americas
36.5%
Africa
15.2%
Europe
8.8%
Oceania
2.5%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context
Crime & safety

Crime trends in the area are generally consistent with regional patterns in the South King County corridor, with localized variations in property crime rates.

Schools & education

Schools serving the area are part of the Highline School District, which provides a diverse range of educational programs and is currently undergoing facility modernization.

Environmental & hazard

The area is subject to standard Pacific Northwest seismic risks and localized flood zones near coastal Des Moines, with insurance premiums reflecting regional wildfire and wind exposure.

Growth & development

Economic momentum is driven by proximity to Seattle-Tacoma International Airport and ongoing mixed-use redevelopment along the Des Moines waterfront and transit corridors.

Taxation

Property taxes are assessed by King County based on local millage rates, which include state, county, city, and school district levies; no state income tax applies.

Transportation & commute

Residents benefit from proximity to I-5 and SR 509, providing direct access to the Seattle and Tacoma employment cores, with light rail options available in neighboring SeaTac.

Recreation & amenities

The area features significant waterfront access at Des Moines Beach Park, numerous community trails, and proximity to regional golf courses and shopping centers.

Rental market

The rental market is characterized by high demand due to airport-related employment, with a mix of older apartment stock and newer transit-oriented developments.

Economy & employers

The economy is heavily anchored by the aviation and logistics sectors centered around Seattle-Tacoma International Airport, supplemented by regional retail and service industries.

Transportation & infrastructure

The area is served by major highway corridors including I-5 and SR 509, with regional bus connectivity and proximity to the Sound Transit Link Light Rail.

Development pipeline

Development is focused on transit-oriented density and waterfront revitalization projects aimed at increasing housing supply and commercial activity.

Special districts

Parcels are subject to Highline School District levies and various utility district assessments for water and sewer services.

Insurance & hazard market

Property insurance premiums are influenced by regional wildfire risk and coastal flood exposure, with standard market availability.

Discovery profileACS 2020-2024 5-year estimates
Census profile · ZCTA 98198, King County WA
Population
40,463
Median age
36.1 yrs
Owner-occupancy
55.2%
Median home value
$527,100
Median gross rent
$1,850
Median household income
$83,938
Median year built
1976
Vacancy rate
7.1%
Renter share
44.8%
Owner cost burden
28.5%
Renter cost burden
42.1%
Population change
+1.2%
Net migration
0
Work-from-home share
18.5%
Mean commute
32.4 min
Bachelor's or higher
31.2%
Unemployment
7.2%
Poverty rate
12.9%
Avg household size
2.6
White
52%
Black or African American
12.5%
Asian
15%
Hispanic or Latino
14.5%
Other
6%

Data retrieved from US Census Bureau ZCTA-level tables.

Public schools with an address here · 1

Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.

Mount Rainier High SchoolHigh6/10Highline School DistrictServes the majority of the 98198 ZIP code.
School districts
Highline School DistrictB-Large district serving the Des Moines and SeaTac area with a focus on equity and modernization.
Utilities & services
ElectricSeattle City LightPrimary municipal provider.
Natural GasPuget Sound EnergyRegional provider.
Water/SewerMidway Sewer DistrictLocal utility district.
Major employers & industries
Alaska AirlinesAviationMajor regional employer.
Port of SeattleLogistics/AviationPrimary operator of Sea-Tac Airport.
Major amenities · ZIP 98198
Theme, amusement & water parks
20+ · 20 mi
Entertainment venues, stadiums & amphitheaters
16 · 20 mi
Family fun & things to do
20+ · 13 mi
Museums, galleries & history
20+ · 20 mi
Parks, trails & nature
20+ · 13 mi
Lakes, marinas & beaches
2 · 20 mi
Shopping & dining districts
7 · 13 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions2 retained amenities · 1 development on the horizon
Inside this ZIP
Des Moines Beach Park
Park

Historic waterfront park with beach access and trails.

Marina District
Shopping/Dining

Central hub for local dining and retail in Des Moines.

On the horizon · announced & under construction
Des Moines Waterfront RedevelopmentMixed-useApprovedOngoing revitalization of the marina area to include new residential and commercial space.
Sources · 5 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.