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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

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PARCEL DATA
Parcel942810-0020
NamePREYLOCK REDMOND LLC
Site Address10545 WILLOWS RD NE
Geo Area 90-30
Spec Area 510-30
Property NameWillow Creek Corp. Center - Building #2
JurisdictionREDMOND
Levy Code2025
Property Type C
Plat Block / Building Number
Plat Lot / Unit Number2
Quarter-Section-Township-Range SE-34-26-5
Legal Description
WILLOW CREEK CORPORATE CENTER BSP
PLat Block:
Plat Lot: 2


LAND DATA
 
Picture
Highest & Best Use As If VacantCOMMERCIAL SERVICE
Highest & Best Use As ImprovedPRESENT USE
Present UseHigh Tech/High Flex
Land SqFt106,768
Acres2.45
Percentage Unusable 
UnbuildableNO
Restrictive Size ShapeNO
ZoningBP
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 Noise
Airport Noise 
Power LinesNO
Other NuisancesNO
Problems
Water ProblemsNO
Transportation ConcurrencyNO
Other ProblemsNO
Environmental
EnvironmentalNO

BUILDING
Building Number1
Building DescriptionOffice Building
Number Of Buildings Aggregated1
Predominant UseOFFICE BUILDING (344)
ShapeVery Irreg
Construction ClassREINFORCED CONCRETE
Building QualityAVERAGE/GOOD
Stories2
Building Gross Sq Ft50,903
Building Net Sq Ft50,028
Year Built1998
Eff. Year2010
Percentage Complete100
Heating SystemCOMPLETE HVAC
SprinklersYes
ElevatorsYes
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
1 OPEN OFFICE (820) 2120 50,90350,028


 





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
94281000200920262027 20254,804,50012,964,40017,768,90004,804,50012,964,40017,768,900
94281000200920252026 20254,804,50014,322,20019,126,70004,804,50014,322,20019,126,700
94281000200920242025 20254,804,50014,781,50019,586,00004,804,50014,781,50019,586,000
94281000200920232024 20254,804,50014,781,50019,586,00004,804,50014,781,50019,586,000
94281000200920222023 20254,804,50013,093,00017,897,50004,804,50013,093,00017,897,500
94281000200920212022 20253,630,10012,254,80015,884,90003,630,10012,254,80015,884,900
94281000200920202021 20253,203,00010,200,70013,403,7001,063,5003,203,00010,200,70013,403,700
94281000200920192020 20252,242,10010,098,10012,340,20002,242,10010,098,10012,340,200
94281000200920182019 20251,921,8009,184,40011,106,20001,921,8009,184,40011,106,200
94281000200920172018 20251,708,2007,906,9009,615,10001,708,2007,906,9009,615,100
94281000200920162017 20201,601,5007,350,5008,952,00001,601,5007,350,5008,952,000
94281000200920152016 20201,601,5006,543,1008,144,60001,601,5006,543,1008,144,600
94281000200920142015 20201,601,5006,543,1008,144,60001,601,5006,543,1008,144,600
94281000200920132014 20201,601,5006,034,0007,635,50001,601,5006,034,0007,635,500
94281000200920122013 20201,601,5006,034,0007,635,50001,601,5006,034,0007,635,500
94281000200920112012 20201,601,5006,034,0007,635,50001,601,5006,034,0007,635,500
94281000200920102011 20201,601,5007,026,7008,628,20001,601,5007,026,7008,628,200
94281000200920092010 20201,601,5008,623,90010,225,40001,601,5008,623,90010,225,400
94281000200920082009 20201,494,7008,400,2009,894,9009,894,9001,494,7008,400,2009,894,900

SALES HISTORY

Excise NumberRecording NumberDocument DateSale PriceSeller NameBuyer NameInstrumentSale Reason
2945839 20180806000008 8/2/2018 $135,996,730.00BRE WA OFFICE OWNER LLC PREYLOCK REDMOND LLC Special Warranty DeedOther
2744986 20150723000964 7/15/2015 $7,669,941.00ARDEN REALTY LPBRE WA OFFICE OWNER LLCDEEDNone

REVIEW HISTORY

Tax YearReview NumberReview TypeAppealed ValueHearing DateSettlement ValueDecisionStatus
20262501812Local Appeal$19,126,7005/27/2026$19,126,700SUSTAINCompleted
2026107348State Appeal$19,126,7001/1/1900$0 Active
20252403145Local Appeal$19,586,00011/17/2025$19,586,000SUSTAINCompleted
201792677State Appeal$8,952,00010/10/2019$8,370,000REVISECompleted
20171602464Local Appeal$8,952,0003/22/2017$8,952,000SUSTAINCompleted

PERMIT HISTORY

Permit NumberPermit DescriptionTypeIssue DatePermit ValueIssuing JurisdictionReviewed Date
MECH-2024-08754 Modification of existing ductwork to add additional system capacity for future expansion. Addition of exhaust fan and roof vent hood for BOFA filter system. Adding CDA piping to remodeled lab space on level 2. (1) exhaust fan (1) other - roof vent 20Other1/14/2025$227,734REDMOND8/4/2025
BLDG-2024-04892 Change of Occupancy - 2021 IBC - Interior remodel of finishes that will change the existing assembly "training/meeting" spaces to general lab/work room spaces and change of occupancy. Scope of work is limited to minor drywall work casework flooringRemodel1/7/2025$2,000REDMOND8/4/2025
ELEC-2024-08558 M24259 - Avalore L2 IPM and Strand Buildout: Job 7011164 - Provide and install (49) light fixtures Provide and install (4) 225amp 3p Breakers Provide and install (67) receptacles., Other12/5/2024$183,180REDMOND8/4/2025
MECH-2024-08069 (1) Other- installation of (4) additional VAVs and (15) GRDs with associated ductwork to increase heating and cooling capacity of the current installed system. 2021 IMC, Other12/2/2024$125,573REDMOND8/4/2025
BLDG-2024-06600 COMM TI - 2021 IBC - Avalore 2nd floor - TENANT IMPROVEMENT ON FLOOR 2 OF APPROXIMATELY 9 725 GSF OF OFFICE AND LAB SPACE. NEW OFFICE AREAS TO INCLUDE OFFICE AND STORAGE. NEW FLOORING PARTITIONS AND FINISHES. Total area of construction = 9725 sf, Remodel11/20/2024$850,000REDMOND8/4/2025
BLDG-2018-08310 COMM TI - Interior build-out for an office and audio suite facility of 4 815 sq ft. Structural scope includes isolated concrete slabs and structural reinforcing., Remodel3/8/2019$1,250,000REDMOND7/30/2020
BLDG-2019-01067 SOPA #57190 253-218-3375 single layer overlay over existing single layer BUR. We will install single layer of 1/2in HD ISO mechanically fastened per manufacturers specs. install single layer 60 MIL TPO mechanically fastened per manufactures specs. 20Other2/21/2019$66,414REDMOND7/30/2020
BLDG-2018-04344 CHANGE OF OCCUPANCY - SEA 114 WCA - Facebook/Oculus - Interior build-out for an office and clean room facility with some exterior improvements. Demolition of existing interior partition walls ceiling lighting doors. Build out of entire building to Remodel8/9/2018$5,163,095REDMOND7/30/2020
BLDG-2016-09490 COMM TI- Aricent- Willows BLDG A- Non-structural interior remodel which includes removing and adding new partitions doors and finishes. STE 200 & 205, Remodel12/7/2016$115,000REDMOND8/9/2017
BLDG-2013-02337 Marvell - Tenant improvement consisting of new walls for new offices, conference rooms, break coffee area and server room. Area of construction is 4,626 sq ft, Remodel5/22/2013$93,000REDMOND6/23/2014
B120425 REMOVAL OF INTERIOR WALLS TO EXPAND OPEN OFFICE AREA. REMOVAL OF RECEPTION DESK. NEW INTERIOR WALLS TO CREATE LOBBY SPACE. NEW CEILING GRID WITH RELATED LIGHT FIXTURES. AREA OF CONSTRUCTION IS 21,823 SQ FT., Remodel8/30/2012$66,000REDMOND6/23/2014
B120424 DEMOLITION OF INTERNAL WALLS AND DOORS WITH CLEANING AND STRIPPING OF FLOOR TO BE LEFT AT EXPOSED CONCRETE SLAB., Remodel8/30/2012$58,000REDMOND6/23/2014
B120323 New break room and file/storage area within suite 120. Tenant improvement for signature leasing. Area of construction 4335 sf.Remodel7/12/2012$38,000REDMOND6/23/2014

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Notice mailing date: 08/27/2026