6730 Mars Ave S, Seattle, WA 98108 Property Records

King County property record for 6730 Mars Ave S, Seattle, WA 98108

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,470 sqft · built 1942
Lot Size0.136 acres (5,914 sqft)
OwnerIndividual Name on File
Last Sale$682,000 (Aug 2017)
Tax Bill$9,732 (2026)
Deeds & MortgagesSep 2021 Mortgage
Sep 2019 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN000520-0083

Property Details

APN / Parcel Number

Primary APN000520-0083
Alternative APN
  • 000520008301

Interior

Bedrooms5 Beds
Full Baths3 Baths
Stories1 Story
Building Area2,470 sqft Living Area
Gross Area2,690 sqft
1st Floor Area1,150 sqft
Upper Floors Area230 sqft
Basement Area1,090 sqft
Finished Basement1,090 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1942
Effective Year BuiltEffective 1942
Lot Area5,914 sqft (0.136 acres)
Garage TypeAttached
Garage Area220 sqft
Deck Area130 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number000520008301
Street Address6730 MARS AVE S
CitySEATTLE
StateWA
Zip98108-3640
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeNR3
Legal DescriptionMAPLE S A-D C #49 PARCEL A SEATTLE SHORT SUBDIVISION NO 2401250 REC NO 20041216900010 SD SHORT SUBDIVISION DAF-- THAT POR OF SA MAPLES DONATION CLAIM NO 49 LY IN STR 28-24-04 - CAAP ON NELY LN OF MARS AVE AT ITS NXN WITH A LN 814.10 FT SOUTH OF & PLW
Legal Range04
Legal Township24
Legal Section28
Legal SubdivisionMAPLE S A # 49
Legal Lot NumberPOR
JurisdictionKING WA
Township / Civil DivisionSEATTLE
Census Block Group1
Census Block1005
Census Tract11002

Owner

6730 Mars Ave S is owned and occupied by an individual who bought it in August 2017.

Source: King County records, as of July 7, 2026

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

Owner of RecordIndividual Name on File
Mailing Address6730 MARS AVE S, SEATTLE, WA 98108-3640
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Sep 13, 2021Deed of Trust, Mortgage · Conventional Mortgage
FINANCE OF AMERICA MORTGAGE LLC
Sep 30, 2019Deed of Trust, Mortgage · Conventional Mortgage
FINANCE OF AMERICA MORTGAGE LLC
Aug 16, 2017Quit Claim Deed, Transfer
CW TITLE
Aug 16, 2017Warranty Deed, Transfer · Conventional Mortgage
FINANCE OF AMERICA MORTGAGE LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 16, 2017 · Amount on File
Deed SaleAug 16, 2017 · Amount on File
Prior SaleMar 29, 2002 · Amount on File
Deed Document Number20171471
Prior Transfer DateAug 10, 2017
Prior Transfer Doc0000001470
Record UpdatedOct 29, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKING WA
Property Address6730 MARS AVE S, SEATTLE, WA 98108-3640
Transaction TypeMortgage
Record UpdatedSep 22, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000001474
DateSep 13, 2021
Instrument20210913001474
Lender
NameFINANCE OF AMERICA MORTGAGE LLC
TypeMortgage Company
AddressCONSHOHOCKEN, PA 19428
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueOct 1, 2051

September 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionKING WA
Property Address6730 MARS AVE S, SEATTLE, WA 98108-3640
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000002587
DateSep 30, 2019
Instrument20190930002587
Lender
NameFINANCE OF AMERICA MORTGAGE LLC
TypeMortgage Company
AddressHORSHAM, PA 19044
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueOct 1, 2049

August 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionKING WA
Recording DateAug 16, 2017
Property Address6730 MARS AVE S, SEATTLE, WA 98108-3640
Document Number0000001470
Instrument DateAug 10, 2017
Instrument201708161470
Transaction TypeTransfer
Record UpdatedAug 22, 2017
Title CompanyCW TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
AddressPO BOX 2028 ISSAQUAH WA 980270090, ISSAQUAH, WA 98027-0090

August 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionKING WA
Recording DateAug 16, 2017
Property Address6730 MARS AVE S, SEATTLE, WA 98108-3640
Document Number0000001471
Map ReferenceDOC20041216900010
Instrument DateAug 10, 2017
Instrument20170816001471
Transaction TypeTransfer
Record UpdatedJul 30, 2021
Title CompanyCW TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address6730 MARS AVE S, SEATTLE, WA 98108-3640

Mortgage

Document Number0000001472
DateAug 16, 2017
Instrument20170816001472
Lender
NameFINANCE OF AMERICA MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueSep 1, 2047

Mortgage

Document Number0000001473
DateAug 16, 2017
Instrument20170816001473
Lender
NameTCF NATIONAL BANK
TypeBank
AddressSIOUX FALLS, SD 57106
Agreement
TypeLine of Credit
AmountAmount on Record
Term360 Months
DueAug 23, 2047
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

The 2026 property tax bill for 6730 Mars Ave S was $9,732.

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

Property Jurisdictions

TypeName
StateWashington
CountyKing County
MunicipalitySeattle City
Unified School DistrictSeattle Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$9,732.00
2025$899,000 (+3.57%) Land $390,000 Building $509,000$899,000 (+3.57%) Land $390,000 Building $509,000
2024$8,764.00$868,000 Land $390,000 Building $478,000$868,000 Land $390,000 Building $478,000
2022$7,329.00$818,000 Land $299,000 Building $519,000$818,000 Land $299,000 Building $519,000

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

Flood

FEMA maps place 6730 Mars Ave S in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

The area around 6730 Mars Ave S 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 SystemSEATTLE PUBLIC UTILITIES
serves 1,161,961 people · EPA ID WA5377050
Water SourceSurface water
Last State InspectionJul 2025
Lead2 ppb (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 177 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
CenturyLink
Fiber · DSL in parts of the area
2,000 / 1,000
Astound Broadband
Cable
1,500 / 50
Verizon
Fixed Wireless
1,000 / 75

May also be available: T-Mobile, Xfinity.

Nearby Properties on Mars Ave S

Nearby Streets

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