Parcel 12-0820-00-00

Owners

GIESE, DARLENE R

1236 ONTARIO ST
OSHKOSH, WI 54901-3660

Parcel Summary

Location 1236 ONTARIO ST
PAD Type Code 119: Duplex
Zoning SR-9
Acreage 0.126

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
704179Oshkosh School District
70Winnebago County
Ward 12

Assessed Value History

Assessment Year 2026 2025 2024 2023 2022 2021 2020
Land Value$21,600$21,600$21,600$14,900$14,900$14,900$14,900
Building Value$165,600$165,600$165,600$85,000$85,000$85,000$85,000
Total Value$187,200$187,200$187,200$99,900$99,900$99,900$99,900
Average Assessment Ratio0.00000.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$0$191,700$195,300$144,400$133,200$120,500$112,300
Parcel Acres0.1260.1300.1300.1300.1300.1300.130
Tax Classification(s)ResidentialResidentialResidentialResidentialResidentialResidentialResidential

Document/Transfer/Sales History

Document
Number
Sale DateDeed TypeV/ISale ValidationReal
Estate
Value
Multi
Parcel
Sale
Ownership
19469732025-06-1914 - Transfer on deathImproved5 - Not a market sale$195,300Grantor: DARLENE R GIESE
Grantee: KURT P GIESE
13552402005-05-131 - WarrantyImproved5 - Not a market sale$89,900Grantor: GIESE, KURT P
Grantee: GIESE, DARLENE R
11512442001-10-191 - WarrantyImproved2 - Valid improved sale$85,500Grantor: BREISTER, DAVID/CECILIA
Grantee: GIESE, KURT P
08403581993-06-30Improved2 - Valid improved sale$49,900Grantee: BREISTER, DAVID/CECILIA

Building Information

Building # 1, Section # 1, Duplex

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Duplex1920C1905100.00%Good

Building Data

DescriptionUnits/Details
Living/Apart. Units2
Stories2 story w/attic
Roof TypeNo Code
Basement TypeBelow Grade
Exterior WallAlum/vinyl
Masonry Adjustment (SF +/-)0
HeatingGas, forced air
Air ConditioningA/C (same ducts)
Bedrooms4
Bath-Full2
Bath-Half0
Whirlpool0
Additional Fixtures2
Hot Tub0
Plumbing Rough In0
Family Rooms0
Other Rooms4
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/0969100%969
2NDFLR936100%936
B936100%936
OFP195100%195
UNFIN264100%264
1F/0=[MULTIPLIER=1;ORIG=0,0] N36 E26 S7 E1 S12 W1 S17 W11 D3L2 W5 L2U3 W6 $ B=[MULTIPLIER=1;ORIG=0,0] N36 E26 S36 W26 $ OFP=[MULTIPLIER=1;ORIG=1,0] E5 D3R2 E5 R2U3 E10 S9 W24 N9 $ 2NDFLR=[MULTIPLIER=1;ORIG=0,0] N36 E26 S36 W26

Building # 2, Section # 1, Garage

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Garage1993C0100.00%Good

Building Data

DescriptionUnits/Details
Width22
Depth22

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI484100%484
OBI=[MULTIPLIER=1;ORIG=24,-38] N22 E22 S22 W22

Land Lines

Land LineTax ClassificationAcresSq. Ft.WidthDepthValue
1Residential0.135,50250.00110.00$21,600

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.