Parcel 02-0171-00-00

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Owners

KOOPMAN, ALEXANDER A

PO BOX 575
OSHKOSH, WI 54903-0575

Parcel Summary

Location 533 WASHINGTON AVE
PAD Type Code 119: Duplex
Zoning TR-10
Acreage 0.314

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
4179Oshkosh School District
70Winnebago County
Ward 02

Legal Description

LOTS 4 & 5 BLK Y WARD R B & CONKLINS ADDN

Assessed Value History

Assessment Year 2026 2025 2024 2023 2022 2021 2020
Land Value$29,600$29,600$29,600$17,400$17,400$17,400$17,400
Building Value$198,700$198,700$198,700$85,000$85,000$83,500$83,500
Total Value$228,300$228,300$228,300$102,400$102,400$100,900$100,900
Average Assessment Ratio0.00000.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$0$233,700$238,200$148,000$136,600$121,800$113,400
Parcel Acres0.3140.3100.3100.3100.3100.3100.310
Tax Classification(s)ResidentialResidentialResidentialResidentialResidentialResidentialResidential

Document/Transfer/Sales History

Document
Number		Sale DateDeed TypeV/ISale ValidationReal
Estate
Value		Multi
Parcel
Sale		Ownership
15981712012-03-233 - Quit claimImproved5 - Not a market sale$85,900Grantor: KOOPMAN PROPERTIES LLC
Grantee: KOOPMAN, ALEXANDER A
15914232011-12-293 - Quit claimImproved5 - Not a market sale$85,900Grantor: KOOPMAN, ALEXANDER A
Grantee: KOOPMAN PROPERTIES LLC
15491992010-08-311 - WarrantyImproved2 - Valid improved sale$86,500Grantor: YANG, MAI VUE
Grantee: KOOPMAN, ALEXANDER A
14485272007-09-071 - WarrantyImproved2 - Valid improved sale$80,900Grantor: SPIEGELBERG ENTERPRISES
Grantee: YANG, MAI VUE

Building Information

Building # 1, Section # 1, Duplex

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Duplex1920C+3404100.00%Average

Building Data

DescriptionUnits/Details
Living/Apart. Units2
Stories2 story
Roof TypeNo Code
Basement TypeBelow Grade
Exterior WallAlum/vinyl
Masonry Adjustment (SF +/-)0
HeatingGas, forced air
Air ConditioningNo A/C
Bedrooms8
Bath-Full3
Bath-Half1
Whirlpool0
Additional Fixtures2
Hot Tub0
Plumbing Rough In0
Family Rooms0
Other Rooms3
Masonry Fireplace Stacks0
Masonry Fireplace Openings0
Masonry Additional Stories0
Metal Fireplace Stacks0
Metal Fireplace Openings0
Metal Additional Stories0
Gas Fireplace Openings0

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
1F/01,848100%1,848
2NDFLR1,322100%1,322
B1,562100%1,562
DK-W172100%172
HS234100%234
1F/0=[MULTIPLIER=1;ORIG=0,0] N4 W2 L2U2 N4 U2R2 E2 N34 E32 S22 E10 S24 W10 S6 W18 N6 W14 $ B=[MULTIPLIER=1;ORIG=0,0] N4 W2 L2U2 N4 U2R2 E2 N12 E13 N22 E19 S22 E10 S24 W10 S6 W18 N6 W14 $ DK-W=[MULTIPLIER=1;ORIG=14,6] E18 N6 E10 S10 W28 N4 $ 2NDFLR=[MULTIPLIER=1;ORIG=0,0] N34 E13 S6 E19 S4 E10 S24 W10 S6 W18 N6 W14 $ HS=[MULTIPLIER=1;ORIG=16,-28] N18 E13 S18 W13

Land Lines

Land LineTax ClassificationAcresSq. Ft.WidthDepthValue
1Residential0.3113,660$29,600

Photo

parcel image

Disclaimer

All parcel data on this page is for use by the City of Oshkosh Assessor's Office for assessment purposes only. The summary data on this page may not be a complete representation of the parcel or of the improvements thereon. Building information, including unit counts and number of permitted units, should be verified with the appropriate City Department. Zoning information should be verified with Community Development. This is a true and accurate copy of the property assessment records of the City of Oshkosh Assessor's Office, Winnebago County, as of January 1, 2026.