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
Parcel642080-0000
Name 
Site Address4123 CALIFORNIA AVE SW 98116
Geo Area 45-25
Spec Area 700-225
Property NameOSBORN CONDOMINIUM
JurisdictionSEATTLE
Levy Code0010
Property Type K
Plat Block / Building Number
Plat Lot / Unit Number
Quarter-Section-Township-Range SW-14-24-3
Legal Description

PLat Block:
Plat Lot:


LAND DATA
  Click the camera to see more pictures.
Picture
Highest & Best Use As If VacantMULTI-FAMILY DWELLING
Highest & Best Use As ImprovedPRESENT USE
Present UseCondominium(Mixed Use)
Land SqFt11,571
Acres0.27
Percentage Unusable 
UnbuildableNO
Restrictive Size ShapeNO
ZoningNC1-55 (M)
WaterWATER DISTRICT
Sewer/SepticPUBLIC
Road AccessPUBLIC
ParkingADEQUATE
Street SurfacePAVED
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 NoiseHIGH
Airport Noise 
Power LinesNO
Other NuisancesNO
Problems
Water ProblemsNO
Transportation ConcurrencyNO
Other ProblemsNO
Environmental
EnvironmentalNO

BUILDING
Building Number1
Building DescriptionOffice Condo-Unit 101/102
Number Of Buildings Aggregated1
Predominant UseOPEN OFFICE (820)
ShapeRect or Slight Irreg
Construction ClassREINFORCED CONCRETE
Building QualityGOOD
Stories1
Building Gross Sq Ft2,473
Building Net Sq Ft2,473
Year Built2007
Eff. Year2007
Percentage Complete100
Heating SystemWARMED AND COOLED AIR
Sprinklers 
Elevators 
Section(s) Of Building Number: 1
Section NumberSection UseDescriptionStoriesHeightFloor NumberGross Sq FtNet Sq Ft
1 CONDO, OFFICE (845) 180 1,4061,406
2 CONDO, OFFICE (845) 180 1,0671,067


Apartment / Condo Complex Data 
Complex TypeMixed Res and Cml Condo
Complex Description26 Res Units + 2 Coml Units
Value Distribution MethodPcnt Land Val
# of Bldgs1
# of Stories5
# of Units26
Avg Unit Size908
Land Per Unit445
Project LocationAVERAGE
Project AppealABOVE AVERAGE
% With View0
Construction ClassREINFORCED CONCRETE
Building QualityGOOD
ConditionAverage
Year Built2006
Eff Year2006
% Complete100
ElevatorsY
Security SystemY
FirePlaceN
LaundryPRIVATE
Kitchens
# of Meals0
Founder's Fee
Apt ConversionN
Condo Land TypeFee Simple






TAX ROLL HISTORY


SALES HISTORY


REVIEW HISTORY


PERMIT HISTORY

Permit NumberPermit DescriptionTypeIssue DatePermit ValueIssuing JurisdictionReviewed Date
7140439-EL Separate lights and plugs in mech room and pit between 4 separate circuits in existing subpanel located in elevator machine room.,  4/28/2026$0SEATTLE 
7140335-RF Single zone Ductless Minisplit-Indoor unit to be located in mechanical control room downstairs int he parking garage. Line set will NOT penetrate through any floors, concrete, Shaft, or anything other than the drywalled mechanical room. Outdoor unOther4/28/2026$5,600SEATTLE 
7136583-EL Equipment room: Replace existing disconnect in machine room with new fusible disconnect Relocate the disconnect location closer to door Refeed controller from new disconnect location Provide a 3/4" empty chase for fire alarm Install (1) j-b 4/2/2026$0SEATTLE 
7136562-EL add 1) fire alarm relay for elevator recall.,  4/2/2026$0SEATTLE 
7113452-RF Installation of refrigerant lines, Other10/24/2025$1,550SEATTLE 
7113249-EL Installation of Heat pump,  10/23/2025$1,552SEATTLE 
7029384-RF New 30,000 BTU Heat Pump., Other6/7/2024$19,000SEATTLE11/21/2024
7029383-EL New Dedicated Circuit for Heat Pump.,  6/6/2024$1,500SEATTLE11/21/2024
6966342-RF New 20,000 BTU Heat Pump, Other5/23/2023$8,000SEATTLE11/21/2024
6966337-EL Dedicated Circuit for Heat Pump,  5/23/2023$1,500SEATTLE11/21/2024
6950643-RF New 20,000 BTU Heat Pump, Other3/3/2023$4,000SEATTLE11/21/2024
6950594-RF New 20,000 BTU Heat Pump, Other3/1/2023$4,000SEATTLE11/21/2024
6946819-RF Install single zone ductless mini split, Other2/9/2023$8,000SEATTLE11/21/2024

HOME IMPROVEMENT EXEMPTION