Parcel 12-5213-00-00

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Owners

MORTENSEN, JON R/LORI A

750 OLSON AVE
OSHKOSH, WI 54901-1152

Parcel Summary

Location 750 OLSON AVE
PAD Type Code 101: Ranch
Zoning SR-3
Acreage 0.414

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
4179Oshkosh School District
70Winnebago County
Ward 12

Legal Description

LOT 23 BLK 2 OLSON ACRES

Assessed Value History

Assessment Year 2025 2024 2023 2022 2021 2020
Land Value$36,800$36,800$26,300$26,300$26,300$26,300
Building Value$214,000$214,000$116,100$116,100$116,100$116,100
Total Value$250,800$250,800$142,400$142,400$142,400$142,400
Average Assessment Ratio0.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$256,800$261,700$205,800$189,900$171,800$160,100
Parcel Acres0.4100.4100.4100.4100.4100.410
Tax Classification(s)ResidentialResidentialResidentialResidentialResidentialResidential

Document/Transfer/Sales History

Document
Number		Sale DateDeed TypeV/ISale ValidationReal
Estate
Value		Multi
Parcel
Sale		Ownership
10605961999-06-01Improved2 - Valid improved sale$93,000Grantee: MORTENSEN, JON R/LORI A
07512761990-08-28Improved2 - Valid improved sale$68,000

Building Information

Building # 1, Section # 1, Ranch

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Ranch1977C+1584100.00%Average

Building Data

DescriptionUnits/Details
Living/Apart. Units1
Stories1 story
Roof TypeNo Code
Basement TypeBelow Grade
Exterior WallWood
Masonry Adjustment SF0
HeatingGas, hot water
Air ConditioningNo A/C
Bedrooms3
Bath-Full1
Bath-Half1
Whirlpool0
Additional Fixtures0
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/01,584100%1,584
B1,584100%1,584
CP496100%496
OFP16100%16
OFP72100%72
1F/0=[MULTIPLIER=1;ORIG=0,0] N24 E12 N4 E16 S4 E32 S28 W20 N4 W40 $ OFP=[MULTIPLIER=1;ORIG=22,0] E18 S4 W18 N4 $ CP=[MULTIPLIER=1;ORIG=32,-24] N4 W4 N12 E32 S16 W28 $ OFP=[MULTIPLIER=1;ORIG=28,-24] N4 E4 S4 W4 $ B=[MULTIPLIER=1;ORIG=0,0] N24 E12 N4 E16 S4 E32 S28 W20 N4 W40

Building # 2, Section # 1, FRAME OR CB DETACHED GARAGE

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
FRAME OR CB DETACHED GARAGE1977C0100.00%Average

Building Data

DescriptionUnits/Details
Width24
DEPTH30

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI720100%720
OBI=[MULTIPLIER=1;ORIG=28,-45] N30 E24 S30 W24

Building # 3, Section # 1, FRAME UTILITY SHED

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
FRAME UTILITY SHED1977C0100.00%Average

Building Data

DescriptionUnits/Details
Width8
DEPTH20

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI160100%160
OBI=[MULTIPLIER=1;ORIG=0,-33] N20 E8 S20 W8

Land Lines

Land LineTax ClassificationAcresSq. Ft.WidthDepthValue
1Residential0.4118,038110.00164.00$36,800

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 December 09, 2025.