Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$429,722$344 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $251,000 on Jun 30, 2015

31121 SE 85TH PL

PRESTON, WA 98050
2
Beds
1
Baths
1,250 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$430K
$372K low$488K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$251,000 · Jun 30, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,758 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$420,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$248,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$172,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$398,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$420,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.52 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2019
Lot (acres)The size of the land the home sits on, from county records.0.15
HeatingThe type of heating system in the home.Electric
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 120 ft²Porch · 70 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Issaquah High SchoolA+
High · Grades 9–12 · 4.8 mi
M
Issaquah Middle SchoolA-
Middle · Grades 6–8 · 4.8 mi
E
Clark Elementary SchoolA
Elementary · Grades KG–5 · 5.2 mi

District: Issaquah School District

Owner Tools

Do you own this home?
Claim this home

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

31121 Se 85th Pl measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 98% of homes in ZIP 98050
  • Costs less per square foot than 95% of homes in ZIP 98050
  • Smaller than 89% of homes in ZIP 98050
  • Has a smaller lot than 96% of homes in ZIP 98050
  • Among the oldest homes in King County

What homes are worth in ZIP 98050

Each bar is how many homes fall in that price range. The marker is this home.

This home
$430K$2.3M

This home is worth more than 2% of homes in ZIP 98050.

How it measures up in ZIP 98050

The dot is this home. The mark in the middle is the typical home in ZIP 98050.

Estimated value$429,722
CheaperTypical $1,286,358Pricier

Pricier than 2% of homes nearby

Price per ft²$344
CheaperTypical $497Pricier

Pricier than 5% of homes nearby

Living area1,250 ft²
SmallerTypical 2,770 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.15 ac
SmallerTypical 4.96 acBigger

Bigger than 4% of homes nearby

Year built1905
OlderTypical 1987Newer

Newer than 13% of homes nearby

How 31121 Se 85th Pl ranks against every home in each area.
MeasureThis homePrestonZIP 98050King County
Estimated valuepricier than$429,7224% of homes2% of homes10% of homes
Price per ft²pricier than$34410% of homes5% of homes18% of homes
Living areabigger than1,250 ft²23% of homes11% of homes24% of homes
Lot sizebigger than0.15 ac7% of homes4% of homes31% of homes
Year builtnewer than190525% of homes13% of homesalmost no homes

About 31121 Se 85th Pl

How much is 31121 Se 85th Pl, Preston, WA worth?

The TopHap Estimate for 31121 Se 85th Pl, Preston, WA is $429,722 as of Aug 30, 2026. The likely range is $371,532 to $487,912. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31121 Se 85th Pl, Preston, WA last sell?

31121 Se 85th Pl, Preston, WA last sold on Jun 30, 2015 for $251,000, according to the county's recorded deed.

How big is 31121 Se 85th Pl, Preston, WA?

31121 Se 85th Pl, Preston, WA has 2 bedrooms, 1 bathrooms, 1,250 square feet of living space and a 0.15-acre lot.

When was 31121 Se 85th Pl, Preston, WA built?

31121 Se 85th Pl, Preston, WA was built in 1905, making it 121 years old. The building has 1 story.

What schools serve 31121 Se 85th Pl, Preston, WA?

31121 Se 85th Pl, Preston, WA is assigned to Issaquah High School (high), rated A+; Issaquah Middle School (middle), rated A-; Clark Elementary School (elementary), rated A. All sit in Issaquah School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31121 Se 85th Pl, Preston, WA compare to other homes in ZIP 98050?

Among the 141 homes in ZIP 98050, it is worth more than 2% of them ($429,722 against a typical $1,286,358), its price per square foot is higher than 5% of them ($344 against a typical $497), it is bigger than 11% of them (1,250 ft² against a typical 2,770 ft²), its lot is bigger than 4% of them (0.15 ac against a typical 4.96 ac) and it is newer than 13% of them (1905 against a typical 1987). Measured against all of King County, it is worth more than 10% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 31121 Se 85th Pl, Preston, WA?

The 2026 property tax bill for 31121 Se 85th Pl, Preston, WA was $4,758. The county assessed it at $420,000.

More homes on Se 85th Pl

Closest homes

More homes in Preston 98050

Assigned schools

Explore the area

See this home in context

Open 31121 Se 85th Pl on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map