ZIP 98188

Seatac, WA

Data based on listings and public records observed by Rufus. May not represent the entire market.

ZIP 98188 covers 13 tracked apartment buildings totaling 2,239 units in Seatac, WA, with an average asking rent of $2,241 — above the national median for this ZIP code. Asking rents span $1,350 to $6,830 across the available inventory. Occupancy of 94.4% is in line with a healthy stabilized market.

The for-sale market in this ZIP code shows a median asking price of $575,000 ($405 per square foot). For-sale listings sit on the market for an average of 88 days. As of the most recent snapshot Rufus is tracking 19 active listings. HMDA mortgage data for the county covering Seatac shows an average loan amount of $806,515 at an average interest rate of 6.72%. 86,204 loans were originated in the most recent reporting year, a denial rate close to the national average.

Rufus refreshes this ZIP code snapshot from live scraping of listing sources and public deed and mortgage records; figures are observed rather than reported by owners and may differ from marketing brochures.

Last updated 2026-07-28 · Tracked since 2025-09-04
Avg Rent
$2,241
$1,350 – $6,830
Buildings
13
Total Units
2,239
Est. Occupancy
94.4%
126 vacant (observed)

Building Vintage

Pre-1980
2
1980-1999
4
2000-2014
1
2015+
6

Largest Buildings

PropertyUnitsBuiltAvg Rent
Airmark3712018$1,920
Airmark Apartments3712018$3,288
Prose Southcenter2852025$2,428
Adara at SeaTac2202023$1,989
Avana at South Station2101979$1,799
Mariblu at Southcenter 55+ Active Adult Ap...1662019$2,699
Mariblu at Southcenter 55+ Active Adult Apartments1662019$2,769
Shannon South1281968$1,417
Newport Heights Apartments801985$1,744
Sunnydale721989$1,599
Last updated: 2026-07-20
Median Asking Price
$575,000
Median Size
1,200 sqft
Price per Sqft
$405
Avg Days on Market
88 days
Active Listings
19

Home Type Breakdown

Single Family64.1%(25)
Condo33.3%(13)
Townhome2.6%(1)
Source: HMDA / CFPB

Mortgage data is reported at the county level and may cover a broader area than the ZIP, city, or metro shown.

Avg Loan Amount
$806,515
Avg Property Value
$1,241,668
Avg Applicant Income
$273,898
Denial Rate
8.4%
Avg Interest Rate
6.72%
Originations
86,204

Loan Type Breakdown

Conventional92.7%
FHA4.5%
VA2.8%
USDA0.1%