Thurston County Assessor
Parcel Number: 14514220100
 
Situs Address: 20301 SW VAN DYKE RD
 
Owner: COWLES, ISAAC
Address:20301 SW VAN DYKE RD
 ROCHESTER, WA 98579
 
Owner: RIEKEN COWLES, AMBERLYN
Address:233 ST HELENS AVE APT 101
 TACOMA, WA 98402-2587
 
Taxpayer: COWLES, ISAAC & AMBERLYN
Address:20301 SW VAN DYKE RD
 ROCHESTER, WA 98579
 
Abbreviated Legal:14-15-4W .84A PT E2-NW4-NW4 COM NE COR S 273F WLY 229F NLN ON RD 2
 
Date: 2/21/2026
 
Sect/Town/Range:14 15 4W
 
Size:0.84 Acres
UseCode:11 Single Unit
TCA Number:490
Neighborhood:08B2
Property Type:RES
Total Living Units:1
Taxable:YES
Active Exemptions:None
Fire District:FIRE DISTRICT #01
Fire District:W THURSTON RFA
School District:ROCHESTER S.D. #401
 
Water Source:WELL
Sewer Type:SEPTIC

Market Values

Tax Year2026202520242023202220212020201920182017
Assessment Year2025202420232022202120202019201820172016
 
Market Value Land$139,600$136,400$108,600$79,300$86,100$60,400$48,700$50,800$47,100$42,100
Market Value Buildings$273,200$262,000$275,200$309,300$191,100$188,600$174,900$174,900$146,800$126,000
Market Value Total$412,800$398,400$383,800$388,600$277,200$249,000$223,600$225,700$193,900$168,100

Residential Structures

Year Built1926 Fireplaces/Wood Stoves1
Construction1 1/2 STORY Heat TypeSPACE-HEATER
Construction QualityAVERAGE Fuel TypeOIL
Physical ConditionAVERAGE Foundation TypeCONCRETE
Number of Bedrooms3 Exterior Wall TypeWOOD-SIDING
Full Baths1 Roofing MaterialCOMPOSITION
Partial Baths0     
   
Residence Square Footage
Main Finished Area1496
Upper Finished Area788
Basement Square Footage
Basement Area1496
Misc Structures
Open Porch48
Covered Porch272

Detached Structures

StructureYear BuiltSquare FeetQualityCondition
 
FRAME-GARAGE1926432FAIRVERY-POOR

Land Characteristics

Land Flag1100
 
Lot Square Footage36590
 
Lot Acreage0.84
 
Effective FrontageNot Listed
 
Effective DepthNot Listed
 
Land Influence(s)No Influences Listed

Sales

Sale Date:12/19/2016
Price:$195,000
Excise:385559
Sale Type:PERSNL REPRESNT DEED
Recording Number:4540372
Seller:WILLIAMS JEANNE
Buyer:COWLES ISAAC
Multiple Parcel Sale:N
 

The Assessor's Office maintains property records on approximately 112,000 parcels in Thurston County for tax purposes. Though records are updated regularly, the accuracy and timeliness of published data cannot be guaranteed. Any person or entity that relies on information obtained from this website does so at his or her own risk. Neither Thurston County nor the Assessor will be held liable for damage or losses caused by use of this information. All critical information should be independently verified.
 

Office of the Assessor

Steven J. Drew, Assessor
3000 Pacific Ave SE, Olympia WA 98501
Customer Service (360)867-2200 -- Fax (360)867-2201 -- TDD (360)754-2933