Thurston County Assessor
Parcel Number: 13934411000
 
Situs Address: 3909 OYSTER BAY RD NW
 
Owner: CAHILL, KATHY
Address:603 W BROAD ST
 NEVADA CITY, CA 95959-2117
 
Taxpayer: CAHILL, KATHY
Address:603 W BROAD ST
 NEVADA CITY, CA 95959-2117
 
Abbreviated Legal:Section 34 Township 19 Range 3W Quarter NE SE LL04118258TC LT 1 Document 3731440
 
Date: 2/22/2026
 
Sect/Town/Range:34 19 3W
 
Size:4.95 Acres
UseCode:11 Single Unit
TCA Number:346
Neighborhood:QZU4
Property Type:RES
Total Living Units:1
Taxable:YES
Active Exemptions:None
Fire District:FIRE DISTRICT #13
School District:GRIFFIN S.D. #324
 
Water Source:WELL
Sewer Type:SEPTIC

Market Values

Tax Year2026202520242023202220212020201920182017
Assessment Year2025202420232022202120202019201820172016
 
Market Value Land$246,700$239,500$253,900$203,500$188,200$153,100$127,700$121,000$112,200$107,750
Market Value Buildings$459,400$453,700$454,200$397,300$338,300$285,300$277,700$269,300$250,400$216,000
Market Value Total$706,100$693,200$708,100$600,800$526,500$438,400$405,400$390,300$362,600$323,750

Residential Structures

Year Built1915 Fireplaces/Wood Stoves2
Construction2 STORY Heat TypeHTPUMP/AC
Construction QualityGOOD Fuel TypeELECTRIC
Physical ConditionVERY-GOOD Foundation TypeCONCRETE
Number of Bedrooms3 Exterior Wall TypeWOOD-SIDING
Full Baths1 Roofing MaterialCOMPOSITION
Partial Baths1     
   
Residence Square Footage
Main Finished Area840
Upper Finished Area624
Basement Square Footage
Basement Finished Area532
Basement Area672
Misc Structures
Covered Porch54
Patio383
Balcony18

Detached Structures

StructureYear BuiltSquare FeetQualityCondition
 
BARN-NO LOFT19703600AVERAGEAVERAGE
GRNHSE (RES)2016367GOODAVERAGE

Land Characteristics

Land Flag9150
 
Lot Square FootageNot Listed
 
Lot Acreage4.95
 
Effective FrontageNot Listed
 
Effective DepthNot Listed
 
Land Influence(s)No Influences Listed

Sales

Sale Date:11/29/202106/06/201907/22/2014
Price:$714,000$542,500$380,000
Excise:E022157540725377887
Sale Type:STATUTRY WARNTY DEEDSTATUTRY WARNTY DEEDSTATUTRY WARNTY DEED
Recording Number:490154146879014402123
Seller:GROSSO JAMESMCGOVERN DANIELHORVATH SCOTT
Buyer:CAHILL KATHYGAMBLIN AMYMCGOVERN DANIEL
Multiple Parcel Sale:NNN
 
Sale Date:12/04/2006
Price:$500,000
Excise:358854
Sale Type:STATUTRY WARNTY DEED
Recording Number:3886694
Seller:BALDWIN ROBERT & ROBIN
Buyer:OSULLIVAN KELLY
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