312 20th Ave SE, Olympia, WA 98501 Property Records

Thurston County property record for 312 20th Ave SE, Olympia, WA 98501

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,522 sqft · built 1928
Lot Size0.115 acres (5,000 sqft)
Owner2 Individual Names on File
Last Sale$700,000 (Feb 2025)
Tax Bill$8,022 (2026)
Deeds & MortgagesAug 2026 Mortgage
Flood ZoneZone X (minimal risk)
APN39400700701

Property Details

APN / Parcel Number

Primary APN39400700701

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Plumbing Fixtures12 Plumbing Fixtures
Stories1 Story
Building Area2,522 sqft Living Area
1st Floor Area1,242 sqft
Upper Floors Area576 sqft
Basement Area704 sqft
Finished Basement704 sqft
FlooringWood

Exterior

Year BuiltBuilt 1928
Effective Year BuiltEffective 2009
Architectural StyleMulti-Level
Exterior MaterialWood Siding
Construction TypeWood
Roof TypeGable
Roof MaterialConcrete
Lot Area5,000 sqft (0.115 acres)
Garage TypeDetached
Garage Area240 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area220 sqft
Patio Area84 sqft

Utilities, Heating & Cooling

Cooling SystemNone
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address312 20TH AVE SE
CityOLYMPIA
StateWA
Zip98501-2968
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-6-12
Legal DescriptionSECTION 23 TOWNSHIP 18 RANGE 2W QUARTER NE SW PLAT CENTRAL ADDITION TO OLYMPIA DOCUMENT 001046 L 7 B 7 E 5F & L 8 W 45F
Legal Range02
Legal Township18
Legal Section23
Legal SubdivisionCENTRAL ADDITION TO OLYMPIA
Legal Block4
Legal Lot Number7
JurisdictionTHURSTON WA
Township / Civil DivisionOLYMPIA
Census Block Group4
Census Block4006
Census Tract10100

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the South Capitol Neighborhood Historic District
listed 1991 · 484 contributing resources · NRIS 91001516

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

312 20th Ave SE is owned and occupied by two individuals who bought it in February 2025.

Source: Thurston County records, as of August 18, 2026

Owner of Record2 Individual Names on File
Mailing Address312 20TH AVE SE, OLYMPIA, WA 98501-2968
OccupancyOwner Occupied
Owner TypeIndividual
VestingMarried Couple

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 SaleFeb 26, 2025 · Amount on File
Deed SaleFeb 26, 2025 · Amount on File
Deed Document Number20255047246
Prior Transfer DateJul 10, 2015
Prior Transfer Doc0004456613
Record UpdatedSep 20, 2026

August 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionTHURSTON WA
Recording DateAug 11, 2026
Property Address312 20TH AVE SE, OLYMPIA, WA 98501-2968
Document Number0005111702
Instrument DateAug 5, 2026
Instrument20265111702
Transaction TypeMortgage
Record UpdatedAug 18, 2026
Title CompanyCLEAREDGE TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address312 20TH AVE SE, OLYMPIA, WA 98501-2968

Mortgage

Document Number0005111702,
DateAug 11, 2026
Instrument20265111702
Lender
NamePLANET HOME LENDING
Agreement
TypeVA Mortgage
AmountAmount on Record
Term360 Months
DueSep 1, 2056
Interest
Rate6.49%
Max Rate-1%

Tax Assessment & Valuation

The 2026 property tax bill for 312 20th Ave SE was $8,022.

Source: Thurston County assessment roll, as of January 21, 2026

Property Jurisdictions

TypeName
StateWashington
CountyThurston County
MunicipalityOlympia City
Unified School DistrictOlympia School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$8,022.00
2025$760,200 Land $216,500 Building $543,700$760,200 Land $216,500 Building $543,700

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

Flood

FEMA maps place 312 20th Ave SE in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 8, 2024

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

The area around 312 20th Ave SE has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemCITY OF OLYMPIA
serves 126,966 people · EPA ID WA5363450
Water SourceGroundwater
Last State InspectionNov 2022
Lead3 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 379 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
CenturyLink
DSL
140 / 20
AT&T
Fixed Wireless
100 / 20

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