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Single Family ResidenceResidential
$1,099,289$451 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $450,850 on Jul 30, 2004

21815 266TH PL SE

MAPLE VALLEY, WA 98038
4
Beds
2.5
Baths
2,440 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.
2.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,850 · Jul 30, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,307 (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.$986,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$343,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$643,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$894,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$986,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Elevator

Transaction History(6)

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.

E
Tahoma Elementary SchoolA
Elementary · Grades KG–5 · 1.3 mi
M
Summit Trail Middle SchoolA
Middle · Grades 6–8 · 2.4 mi
H
Tahoma Senior High SchoolA
High · Grades 9–12 · 3.9 mi

District: Tahoma School District

Neighborhood · ZIP 98038These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.34
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.244

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.34,456
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.681 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,082
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,368
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.73 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

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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

21815 266th 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 more than 86% of homes in Maple Valley 98038
  • Costs more per square foot than 84% of homes in Maple Valley 98038
  • Bigger than 71% of homes in King County
  • Has a bigger lot than 90% of homes in King County
  • Newer than 78% of homes in Hobart

What homes are worth in Maple Valley 98038

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

This home
$485K$1.7M

This home is worth more than 86% of homes in Maple Valley 98038.

How it measures up in Maple Valley 98038

The dot is this home. The mark in the middle is the typical home in Maple Valley 98038.

Estimated value$1,099,289
CheaperTypical $783,953Pricier

Pricier than 86% of homes nearby

Price per ft²$451
CheaperTypical $376Pricier

Pricier than 84% of homes nearby

Living area2,440 ft²
SmallerTypical 2,130 ft²Bigger

Bigger than 64% of homes nearby

Lot size2.49 ac
SmallerTypical 0.19 acBigger

Bigger than 86% of homes nearby

Year built1991
OlderTypical 1996Newer

Newer than 37% of homes nearby

How 21815 266th Pl Se ranks against every home in each area.
MeasureThis homeHobartMaple Valley 98038King County
Estimated valuepricier than$1,099,28970% of homes86% of homes67% of homes
Price per ft²pricier than$45158% of homes84% of homes39% of homes
Living areabigger than2,440 ft²63% of homes64% of homes71% of homes
Lot sizebigger than2.49 ac38% of homes86% of homes90% of homes
Year builtnewer than199178% of homes37% of homes67% of homes

About 21815 266th Pl Se

How much is 21815 266th Pl Se, Maple Valley, WA worth?

The TopHap Estimate for 21815 266th Pl Se, Maple Valley, WA is $1,099,289 as of Oct 21, 2026. The likely range is $1,038,674 to $1,159,904. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21815 266th Pl Se, Maple Valley, WA last sell?

21815 266th Pl Se, Maple Valley, WA last sold on Jul 30, 2004 for $450,850, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21815 266th Pl Se, Maple Valley, WA?

21815 266th Pl Se, Maple Valley, WA has 4 bedrooms, 2.5 bathrooms and 2,440 square feet of living space.

When was 21815 266th Pl Se, Maple Valley, WA built?

21815 266th Pl Se, Maple Valley, WA was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 21815 266th Pl Se, Maple Valley, WA?

21815 266th Pl Se, Maple Valley, WA is assigned to Tahoma Elementary School (elementary), rated A; Summit Trail Middle School (middle), rated A; Tahoma Senior High School (high), rated A. All sit in Tahoma School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21815 266th Pl Se, Maple Valley, WA compare to other homes in Maple Valley 98038?

Among the 12,368 homes in Maple Valley 98038, it is worth more than 86% of them ($1,099,289 against a typical $783,953), its price per square foot is higher than 84% of them ($451 against a typical $376), it is bigger than 64% of them (2,440 ft² against a typical 2,130 ft²), its lot is bigger than 86% of them (2.49 ac against a typical 0.19 ac) and it is newer than 37% of them (1991 against a typical 1996). Measured against all of King County, it is worth more than 67% 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 21815 266th Pl Se, Maple Valley, WA?

The 2026 property tax bill for 21815 266th Pl Se, Maple Valley, WA was $11,307. The county assessed it at $986,000.

More homes on 266th Pl Se

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Assigned schools

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