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Single Family ResidenceResidential
$648,433$240 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $435,000 on Nov 17, 2017

421 MAPLE AVE NW

RENTON, WA 98057
3
Beds
3
Baths
2,700 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$648K
$638K low$659K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$435,000 · Nov 17, 2017
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$203,633
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$162,906
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.73%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$405,500
FLAGSTAR BANK FSB · recorded May 17, 2021
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$39,300
BOEING EMPLOYEES CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,723 (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.$641,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$266,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$375,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$659,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$641,000

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.0.14
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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 · 380 ft²

Transaction History(8)

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

Foreclosure Filings(2)

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

M
Dimmitt Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
H
Renton High SchoolD-
High · Grades 9–12 · 0.7 mi
E
Bryn Mawr Elementary SchoolB-
Elementary · Grades KG–5 · 0.7 mi

District: Renton School District

Neighborhood · ZIP 98057These 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.149
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.263

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.15,169
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,407 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,518
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,695
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

421 Maple Ave Nw 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 72% of homes in Renton 98057
  • Costs less per square foot than 97% of homes in King County
  • Bigger than 83% of homes in Renton 98057
  • Has a smaller lot than 75% of homes in King County
  • Older than 86% of homes in King County

What homes are worth in Renton 98057

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

This home
$224K$1.1M

This home is worth more than 72% of homes in Renton 98057.

How it measures up in Renton 98057

The dot is this home. The mark in the middle is the typical home in Renton 98057.

Estimated value$648,433
CheaperTypical $533,944Pricier

Pricier than 72% of homes nearby

Price per ft²$240
CheaperTypical $352Pricier

Pricier than 8% of homes nearby

Living area2,700 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.14 ac
SmallerTypical 0.17 acBigger

Bigger than 36% of homes nearby

Year built1941
OlderTypical 1960Newer

Newer than 34% of homes nearby

How 421 Maple Ave Nw ranks against every home in each area.
MeasureThis homeRenton 98057King County
Estimated valuepricier than$648,43372% of homes31% of homes
Price per ft²pricier than$2408% of homes3% of homes
Living areabigger than2,700 ft²83% of homes79% of homes
Lot sizebigger than0.14 ac36% of homes25% of homes
Year builtnewer than194134% of homes14% of homes

About 421 Maple Ave Nw

How much is 421 Maple Ave Nw, Renton, WA worth?

The TopHap Estimate for 421 Maple Ave Nw, Renton, WA is $648,433 as of Jul 14, 2026. The likely range is $638,267 to $658,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Maple Ave Nw, Renton, WA last sell?

421 Maple Ave Nw, Renton, WA last sold on Nov 17, 2017 for $435,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 421 Maple Ave Nw, Renton, WA?

421 Maple Ave Nw, Renton, WA has 3 bedrooms, 3 bathrooms, 2,700 square feet of living space and a 0.14-acre lot.

When was 421 Maple Ave Nw, Renton, WA built?

421 Maple Ave Nw, Renton, WA was built in 1941, making it 85 years old. The building has 1 story.

What schools serve 421 Maple Ave Nw, Renton, WA?

421 Maple Ave Nw, Renton, WA is assigned to Dimmitt Middle School (middle), rated B-; Renton High School (high), rated D-; Bryn Mawr Elementary School (elementary), rated B-. All sit in Renton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Maple Ave Nw, Renton, WA compare to other homes in Renton 98057?

Among the 2,604 homes in Renton 98057, it is worth more than 72% of them ($648,433 against a typical $533,944), its price per square foot is higher than 8% of them ($240 against a typical $352), it is bigger than 83% of them (2,700 ft² against a typical 1,520 ft²), its lot is bigger than 36% of them (0.14 ac against a typical 0.17 ac) and it is newer than 34% of them (1941 against a typical 1960). Measured against all of King County, it is worth more than 31% 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 421 Maple Ave Nw, Renton, WA?

The 2026 property tax bill for 421 Maple Ave Nw, Renton, WA was $6,723. The county assessed it at $641,000.

Closest homes

More homes in Renton 98057

Assigned schools

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