skip to main content

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
Parcel766670-0465
NameKING COUNTY-WASTE WATER
Site Address4501 EAST MARGINAL WAY S 98134
Geo Area 35-30
Spec Area
Property NameMETRO PUMPING STATION
JurisdictionSEATTLE
Levy Code0010
Property Type C
Plat Block / Building Number380
Plat Lot / Unit Number1 TO 6
Quarter-Section-Township-Range SE-18-24-4
Legal Description
SEATTLE TIDE LDS EXT #1 POR OF LOTS 1 TO 6 LY WEST OF W MGN OF E MARGINAL WAY S AS ESTAB BY ORD 32881 & LY EAST OF LN BEG ON S MGN OF S OREGON ST 110 FT W OF SD E MARGINAL WAY S AS ESTAB BY SD ORD 32881 TH S PLW SD W MGN TO NWLY MGN OF DIAGONAL AVE S
PLat Block: 380
Plat Lot: 1 TO 6


LAND DATA
 
Highest & Best Use As If VacantREGIONAL LAND USE
Highest & Best Use As ImprovedPRESENT USE
Present UseUtility, Public
Land SqFt29,700
Acres0.68
Percentage Unusable 
UnbuildableNO
Restrictive Size ShapeNO
ZoningMML U/85
WaterWATER DISTRICT
Sewer/SepticPUBLIC
Road AccessPUBLIC
ParkingADEQUATE
Street Surface
Views Waterfront
Rainier
Territorial
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 Site
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
 
Topography
Traffic Noise
Airport Noise 
Power LinesNO
Other NuisancesNO
Problems
Water ProblemsNO
Transportation ConcurrencyNO
Other ProblemsNO
Environmental
EnvironmentalNO

BUILDING
Building Number1
Building DescriptionMETRO PUMPING STATION
Number Of Buildings Aggregated1
Predominant UseOFFICE BUILDING (344)
ShapeRect or Slight Irreg
Construction ClassMASONRY
Building QualityAVERAGE
Stories1
Building Gross Sq Ft4,577
Building Net Sq Ft4,577
Year Built1969
Eff. Year1980
Percentage Complete100
Heating SystemFORCED AIR UNIT
SprinklersNo
Elevators 
123
Click the camera to see more pictures.
Picture of Building 1
Current Picture
Section(s) Of Building Number: 1
Section NumberSection UseDescriptionStoriesHeightFloor NumberGross Sq FtNet Sq Ft
3 BASEMENT, UNFINISHED (703) 130 1,6621,662
2 STORAGE WAREHOUSE (406) 121 1,4571,457
1 OFFICE BUILDING (344) 112 1,4581,458


 





TAX ROLL HISTORY

This is a government owned parcel.
Change to state law (RCW 84. 40.045 and 84.40.175) by the 2013 Legislature eliminated revaluation of government owned parcels.

SALES HISTORY


REVIEW HISTORY


PERMIT HISTORY

Permit NumberPermit DescriptionTypeIssue DatePermit ValueIssuing JurisdictionReviewed Date
7064795-EL INSTALLATION OF A WIRELESS FIRE ALARM COMMUNICATOR. THE NEW COMMUNICATOR WILL BE TIED INTO THE EXISTING FACP,  1/13/2025$1,000SEATTLE5/21/2026

HOME IMPROVEMENT EXEMPTION