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Single Family ResidenceResidential
$372,827$690 / 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 82How 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

8315 309TH PL SE

PRESTON, WA 98050
1
Beds
1.8
Baths
540 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.
0.89 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$373K
$306K low$439K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,072 (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.$560,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$315,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$245,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$537,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$560,000

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.21 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
Lot (acres)The size of the land the home sits on, from county records.0.89
HeatingThe type of heating system in the home.Electric
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.ElevatorPorch · 60 ft²

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 · 4.6 mi
M
Issaquah Middle SchoolA-
Middle · Grades 6–8 · 4.7 mi
E
Clark Elementary SchoolA
Elementary · Grades KG–5 · 5.0 mi

District: Issaquah School District

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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

8315 309th Pl Se 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 Preston
  • Costs more per square foot than 95% of homes in Preston
  • Among the smallest homes in Preston
  • Has a bigger lot than 84% of homes in King County
  • Newer than 74% of homes in Preston

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$372,827
CheaperTypical $1,286,358Pricier

Pricier than 2% of homes nearby

Price per ft²$690
CheaperTypical $497Pricier

Pricier than 92% of homes nearby

Living area540 ft²
SmallerTypical 2,770 ft²Bigger

Smaller than almost all homes nearby

Lot size0.89 ac
SmallerTypical 4.96 acBigger

Bigger than 28% of homes nearby

Year built1985
OlderTypical 1987Newer

Newer than 47% of homes nearby

How 8315 309th Pl Se ranks against every home in each area.
MeasureThis homePrestonZIP 98050King County
Estimated valuepricier than$372,8272% of homes2% of homes7% of homes
Price per ft²pricier than$69095% of homes92% of homes85% of homes
Living areabigger than540 ft²almost no homesalmost no homesalmost no homes
Lot sizebigger than0.89 ac69% of homes28% of homes84% of homes
Year builtnewer than198574% of homes47% of homes59% of homes

About 8315 309th Pl Se

How much is 8315 309th Pl Se, Preston, WA worth?

The TopHap Estimate for 8315 309th Pl Se, Preston, WA is $372,827 as of Aug 30, 2026. The likely range is $306,262 to $439,392. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8315 309th Pl Se, Preston, WA last sell?

8315 309th Pl Se, Preston, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 8315 309th Pl Se, Preston, WA?

8315 309th Pl Se, Preston, WA has 1 bedrooms, 1.8 bathrooms, 540 square feet of living space and a 0.89-acre lot.

When was 8315 309th Pl Se, Preston, WA built?

8315 309th Pl Se, Preston, WA was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 8315 309th Pl Se, Preston, WA?

8315 309th Pl Se, 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 8315 309th Pl Se, Preston, WA compare to other homes in ZIP 98050?

Among the 141 homes in ZIP 98050, it is worth more than 2% of them ($372,827 against a typical $1,286,358), its price per square foot is higher than 92% of them ($690 against a typical $497), it is bigger than almost none of them (540 ft² against a typical 2,770 ft²), its lot is bigger than 28% of them (0.89 ac against a typical 4.96 ac) and it is newer than 47% of them (1985 against a typical 1987). Measured against all of King County, it is worth more than 7% 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 8315 309th Pl Se, Preston, WA?

The 2026 property tax bill for 8315 309th Pl Se, Preston, WA was $6,072. The county assessed it at $560,000.

Closest homes

More homes in Preston 98050

Assigned schools

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