21439 SE 258th St, Maple Valley, WA 98038 Property Records

King County property record for 21439 SE 258th St, Maple Valley, WA 98038

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 3,200 sqft · built 1995
Lot Size0.335 acres (14,584 sqft)
Owner2 Individual Names on File
Last Sale$495,000 (Nov 2005)
Tax Bill$10,760 (2026)
Deeds & MortgagesJun 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN508850-0260

Property Details

APN / Parcel Number

Primary APN508850-0260
Alternative APN
  • 508850026008

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area3,200 sqft Living Area
Gross Area3,820 sqft
1st Floor Area1,420 sqft
2nd Floor Area1,780 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1995
Effective Year BuiltEffective 1995
Lot Area14,584 sqft (0.335 acres)
Garage TypeAttached
Garage Area620 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area70 sqft
Deck Area360 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelElectric
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number508850026008
Street Address21439 SE 258TH ST
CityMAPLE VALLEY
StateWA
Zip98038-7559
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-4
Legal DescriptionMAPLE DOWNS
Legal Range06
Legal Township22
Legal Section28
Legal SubdivisionMAPLE DOWNS
Legal Block21439
Legal Lot Number26
JurisdictionKING WA
Township / Civil DivisionTAHOMA-MAPLE VALLEY
Census Block Group1
Census Block1010
Census Tract32008

Owner

21439 SE 258th St is owned and occupied by two individuals who bought it in November 2005.

Source: King County records, as of August 14, 2026

Owner of Record2 Individual Names on File
Mailing Address21439 SE 258TH ST, MAPLE VALLEY, WA 98038-7559
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 18, 2005 · Amount on File
Deed SaleNov 18, 2005 · Amount on File
Prior SaleJul 28, 1995 · Amount on File
Deed Document Number20051746
Prior Transfer DateJan 10, 1995
Prior Transfer Doc0000000036
Record UpdatedSep 20, 2026

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKING WA
Property Address21439 SE 258TH ST, MAPLE VALLEY, WA 98038-7559
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyCW TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000001847
DateJun 22, 2020
Instrument20200622001847
Lender
NameHOMEBRIDGE FINANCIAL SERVICES INC
TypeMortgage Company
AddressISELIN, NJ 08830
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term241 Months
DueJul 1, 2040

Tax Assessment & Valuation

The 2026 property tax bill for 21439 SE 258th St was $10,760.

Source: King County assessment roll, as of July 7, 2026

Property Jurisdictions

TypeName
StateWashington
CountyKing County
MunicipalityMaple Valley City
Unified School DistrictTahoma School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$10,760.00
2025$968,000 (+4.54%) Land $434,000 Building $534,000$968,000 (+4.54%) Land $434,000 Building $534,000
2024$10,200.00$926,000 Land $420,000 Building $506,000$926,000 Land $420,000 Building $506,000
2022$8,804.00$941,000 Land $237,000 Building $704,000$941,000 Land $237,000 Building $704,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 21439 SE 258th St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 23, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 21439 SE 258th St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.4% of Washington
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCOVINGTON WATER DISTRICT
serves 56,172 people · EPA ID WA5341650
Water SourcePurchased surface water from several systems
Last State InspectionOct 2024
Lead1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 294 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

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