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King County Department of Assessments

Setting values, serving the community, and promoting fairness and equity.

Department of Assessments

201 South Jackson Street,
Seattle, WA 98104

Office Hours:
Mon - Fri
8:30 a.m. to 4:30 p.m.

TEL: 206-296-7300
TTY relay: 711 or 800-833-4388

Send us mail

 
PARCEL DATA
Parcel545730-0940
NameNORTHUP ERIC R & ANDERSON J
Site Address170 PROSPECT ST 98109
Residential Area 012-009 (WC Appraisal District)
Property Name
JurisdictionSEATTLE
Levy Code0010
Property Type R
Plat Block / Building Number18
Plat Lot / Unit Number1-2
Quarter-Section-Township-Range NW-30-25-4
Legal Description
MERCERS ADD TO N SEATTLE E 85 FT
PLat Block: 18
Plat Lot: 1-2


LAND DATA
 
Highest & Best Use As If VacantSINGLE FAMILY
Highest & Best Use As ImprovedPRESENT USE
Present UseSingle Family(Res Use/Zone)
Land SqFt10,200
Acres0.23
Percentage Unusable 
UnbuildableNO
Restrictive Size ShapeNO
ZoningNR
WaterWATER DISTRICT
Sewer/SepticPUBLIC
Road AccessPUBLIC
ParkingADEQUATE
Street SurfacePAVED
Views Waterfront
Rainier
TerritorialGOOD
Olympics
Cascades
Seattle Skyline
Puget Sound
Lake Washington
Lake Sammamish
Lake/River/Creek
Other View
Waterfront Location
Waterfront Footage0
Lot Depth Factor0
Waterfront Bank
Tide/Shore
Waterfront Restricted Access
Waterfront Access RightsNO
Poor QualityNO
Proximity InfluenceNO
Designations Nuisances
Historic SiteDESIGNATED
Current Use(none)
Nbr Bldg Sites 
Adjacent to Golf FairwayNO
Adjacent to GreenbeltNO
Other DesignationNO
Deed RestrictionsNO
Development Rights PurchasedNO
EasementsNO
Native Growth Protection EasementNO
DNR LeaseNO
 
TopographyYES
Traffic Noise
Airport Noise 
Power LinesNO
Other NuisancesNO
Problems
Water ProblemsNO
Transportation ConcurrencyNO
Other ProblemsNO
Environmental
EnvironmentalNO

BUILDING
Building Number1
Year Built1905
Year Renovated0
Stories2.5
Living Units1
Grade12 Luxury
Grade Variant0
ConditionAverage
Basement Grade8 Good
1st Floor2,010
1/2 Floor640
2nd Floor2,310
Upper Floor0
Finished Basement2,120
Total Finished Area7,080
Total Basement2,120
Basement Garage0
Unfinished 1/20
Unfinished Full0
AGLA4,960
Attached Garage0
Bedrooms6
Full Baths4
3/4 Baths1
1/2 Baths1
Heat SourceGas
Heat SystemHot Water
Deck Area SqFt300
Open Porch SqFt480
Enclosed Porch SqFt0
Brick/Stone0
Fireplace Single Story2
Fireplace Muilti Story2
Fireplace Free Standing0
Fireplace Additional2
AddnlCost5000
Obsolescence0
Net Condition0
Percentage Complete0
Daylight Basement 
View UtilizationYES
Click the camera to see more pictures.
Picture of Building 1
Current Picture

Floor plan of Building 1
Current Floor Plan

Accessory Of Building Number: 1
Accessory TypePictureDescriptionSqFtGradeEff Year%ValueDate Valued
PRK:DET GAR 3608 Good1950   
 
TAX ROLL HISTORY

AccountValued YearTax YearOmit YearLevy CodeAppraised Land Value ($)Appraised Imps Value ($)Appraised Total Value ($)New Dollars ($)Taxable Land Value ($)Taxable Imps Value ($)Taxable Total Value ($)Tax Value Reason
54573009400420262027 00101,801,0001,484,0003,285,00001,801,0001,484,0003,285,000
54573009400420252026 00101,766,0001,534,0003,300,00001,766,0001,534,0003,300,000
54573009400420242025 00101,766,0003,034,0004,800,00001,766,0003,034,0004,800,000
54573009400420232024 00101,766,0003,232,0004,998,00001,766,0003,232,0004,998,000
54573009400420222023 00101,869,0003,539,0005,408,00001,869,0003,539,0005,408,000
54573009400420212022 00101,985,0002,115,0004,100,00001,985,0002,115,0004,100,000
54573009400420202021 00101,823,0001,898,0003,721,00001,823,0001,898,0003,721,000
54573009400420192020 00101,982,0001,985,0003,967,00001,982,0001,985,0003,967,000
54573009400420182019 00101,946,0001,954,0003,900,00001,946,0001,954,0003,900,000
54573009400420172018 00101,682,0001,689,0003,371,00001,682,0001,689,0003,371,000
54573009400420162017 00101,562,0001,554,0003,116,00001,562,0001,554,0003,116,000
54573009400420152016 0010896,0002,450,0003,346,0000896,0002,450,0003,346,000
54573009400420142015 0010717,0002,073,0002,790,0000717,0002,073,0002,790,000
54573009400420132014 0010677,0001,941,0002,618,0000677,0001,941,0002,618,000
54573009400420122013 0010642,0001,731,0002,373,0000642,0001,731,0002,373,000
54573009400420112012 0010672,0001,769,0002,441,0000672,0001,769,0002,441,000
54573009400420102011 0010672,0001,769,0002,441,0000672,0001,769,0002,441,000
54573009400420092010 0010631,0001,661,0002,292,0000631,0001,661,0002,292,000
54573009400420082009 00101,044,0001,856,0002,900,00001,044,0001,856,0002,900,000
54573009400420072008 0010924,0001,643,0002,567,0000924,0001,643,0002,567,000
54573009400420062007 0010821,0001,633,0002,454,0000821,0001,633,0002,454,000
54573009400420052006 0010738,0001,544,0002,282,0000738,0001,544,0002,282,000
54573009400420042005 0010679,0001,421,0002,100,0000679,0001,421,0002,100,000
54573009400420032004 0010656,0001,444,0002,100,0000656,0001,444,0002,100,000
54573009400420022003 0010329,0001,636,0001,965,0000329,0001,636,0001,965,000
54573009400420012002 0010301,0001,496,0001,797,0000301,0001,496,0001,797,000
54573009400420002001 0010262,0001,288,0001,550,00050,000262,0001,288,0001,550,000
54573009400419992000 0010226,000791,0001,017,0000226,000791,0001,017,000
54573009400419981999 0010191,000620,000811,0000191,000620,000811,000
54573009400419971998 00100000175,000567,000742,000
54573009400419961997 00100000205,000346,900551,900
54573009400419951996 00100000205,000346,900551,900

SALES HISTORY

Excise NumberRecording NumberDocument DateSale PriceSeller NameBuyer NameInstrumentSale Reason
3309978 20241209000355 12/8/2024 $3,300,000.00BRYANT LAURY P+BRYANT IRREVOCABLE TRUST LAURY +ET AL NORTHUP ERIC R+ANDERSON JENNIFERWarranty DeedNone
3162573 20211207000126 12/3/2021 $0.00BRYANT LAURY PBRYANT GIFT TRUST BILL +WILLIAM KQuit Claim DeedOther
3154170 20211025001205 10/21/2021 $0.00BRYANT WILLIAM KBRYANT IRREVOCABLE TRUST LAURY +LAURY PQuit Claim DeedOther
3154169 20211025001204 10/21/2021 $0.00BRYANT WILLIAM K+LAURY PBRYANT WILLIAM K+LAURY PQuit Claim DeedOther
1498711 199608010830 7/25/1996 $730,000.00WESTON LAUREN A+SHARON LBRYANT WILLIAM K+LAURY PStatutory Warranty DeedNone
1347799 199312152053 12/9/1993 $610,000.00FAALAND BRUCE+LINEHAN SUSANWESTON LAUREN A ET ALWarranty DeedNone

REVIEW HISTORY

Tax YearReview NumberReview TypeAppealed ValueHearing DateSettlement ValueDecisionStatus
20262503972Local Appeal$4,887,0001/1/1900$0 Completed
20252405835Local Appeal$5,342,0009/15/2025$4,800,000REVISE, ASSESSOR RECOMMENDEDCompleted
20232209103Local Appeal$5,408,0001/11/2024$5,408,000SUSTAINCompleted
2010R191423Review - Characteristics$01/1/1900$0 Completed
200969889State Appeal$2,900,0009/3/2009$2,900,000SUSTAINCompleted
20090801349Local Appeal$2,900,0003/17/2009$2,900,000SUSTAINCompleted
20050401343Local Appeal$3,258,0003/7/2005$2,100,000REVISE, ASSESSOR RECOMMENDEDCompleted
20040304774Local Appeal$3,365,0007/22/2004$2,100,000REVISECompleted
19878602204Local Appeal$347,40010/20/1986$265,000REVISECompleted
19858470893Local Appeal$299,2007/18/1985$270,000REVISECompleted

PERMIT HISTORY

Permit NumberPermit DescriptionTypeIssue DatePermit ValueIssuing JurisdictionReviewed Date
7150531-CN Construct substantial alterations to one-family dwelling, per plan., Remodel8/14/2026$250,000SEATTLE 
7152680-EL Related to permit 7129561-EL. Additional circuits added to scope; increasing from 66 to 88 circuits. Electrical work for remodel in following areas: complete basement remodel, first floor kitchen and bathroom remodel, second floor remodel of three be 7/13/2026$0SEATTLE 
7129561-EL Electrical work for a remodel in the following areas: complete basement remodel; first?floor kitchen and bathroom remodel; second?floor remodel of three bedrooms, two bathrooms, a laundry room, and a family room; and third?floor family room.,  2/16/2026$0SEATTLE8/6/2026
7101174-CN Construct alterations to one-family dwelling, subject to field inspection (STFI)., Remodel8/16/2025$250,000SEATTLE8/6/2026
7068544-EL To replace three(3) knob and tube circuits with Romex wires.,  2/3/2025$3,250SEATTLE8/12/2025
6142823 Remodel master suite on 2nd floor of existing SFRRemodel6/12/2007$4,000SEATTLE10/21/2008
712479 Approx. 670 sq. ft. of SF historic landmark; remodel 3rd floor with some partition changes in house Remodel3/23/2000$25,000SEATTLE7/28/2000

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