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Single Family ResidenceResidential
$713,474$600 / 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 Jul 14, 2026
Last sold for $474,000 on Feb 23, 2021

18645 RENTON-MAPLE VALLEY RD SE

WA
2
Beds
1.8
Baths
1,190 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.
4.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$713K
$669K low$758K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$474,000 · Feb 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,835 (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.$672,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$371,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$301,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$622,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$672,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.46
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
40
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
99
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Highway
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 180 ft²Porch · 70 ft²

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.

Foreclosure Filings(3)

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

E
Shadow Lake Elementary SchoolB
Elementary · Grades KG–5 · 2.5 mi
M
Maple View Middle SchoolA
Middle · Grades 6–8 · 3.6 mi
H
Tahoma Senior High SchoolA+
High · Grades 9–12 · 5.5 mi

District: Tahoma 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

18645 Renton-Maple Valley Rd 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 79% of homes in Cedar Grove
  • Costs more per square foot than 94% of homes in Cedar Grove
  • Smaller than 92% of homes in Cedar Grove
  • Has a bigger lot than 93% of homes in King County
  • Older than 95% of homes in Cedar Grove

How it measures up in Cedar Grove

The dot is this home. The mark in the middle is the typical home in Cedar Grove.

Estimated value$713,474
CheaperTypical $969,980Pricier

Pricier than 21% of homes nearby

Price per ft²$600
CheaperTypical $413Pricier

Pricier than 94% of homes nearby

Living area1,190 ft²
SmallerTypical 2,420 ft²Bigger

Bigger than 8% of homes nearby

Lot size4.52 ac
SmallerTypical 2.7 acBigger

Bigger than 63% of homes nearby

Year built1930
OlderTypical 1979Newer

Newer than 5% of homes nearby

How 18645 Renton-Maple Valley Rd Se ranks against every home in each area.
MeasureThis homeCedar GroveKing County
Estimated valuepricier than$713,47421% of homes39% of homes
Price per ft²pricier than$60094% of homes71% of homes
Living areabigger than1,190 ft²8% of homes21% of homes
Lot sizebigger than4.52 ac63% of homes93% of homes
Year builtnewer than19305% of homes11% of homes

About 18645 Renton-Maple Valley Rd Se

How much is 18645 Renton-Maple Valley Rd Se, , WA worth?

The TopHap Estimate for 18645 Renton-Maple Valley Rd Se, , WA is $713,474 as of Jul 14, 2026. The likely range is $668,719 to $758,229. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18645 Renton-Maple Valley Rd Se, , WA last sell?

18645 Renton-Maple Valley Rd Se, , WA last sold on Feb 23, 2021 for $474,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 18645 Renton-Maple Valley Rd Se, , WA?

18645 Renton-Maple Valley Rd Se, , WA has 2 bedrooms, 1.8 bathrooms and 1,190 square feet of living space.

When was 18645 Renton-Maple Valley Rd Se, , WA built?

18645 Renton-Maple Valley Rd Se, , WA was built in 1930, making it 96 years old. The building has 1 story.

What schools serve 18645 Renton-Maple Valley Rd Se, , WA?

18645 Renton-Maple Valley Rd Se, , WA is assigned to Shadow Lake Elementary School (elementary), rated B; Maple View 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 18645 Renton-Maple Valley Rd Se, , WA compare to other homes in Cedar Grove?

Among the 954 homes in Cedar Grove, it is worth more than 21% of them ($713,474 against a typical $969,980), its price per square foot is higher than 94% of them ($600 against a typical $413), it is bigger than 8% of them (1,190 ft² against a typical 2,420 ft²), its lot is bigger than 63% of them (4.52 ac against a typical 2.7 ac) and it is newer than 5% of them (1930 against a typical 1979). Measured against all of King County, it is worth more than 39% 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 18645 Renton-Maple Valley Rd Se, , WA?

The 2026 property tax bill for 18645 Renton-Maple Valley Rd Se, , WA was $7,835. The county assessed it at $672,000.

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