Parcel 10-0297-00-00

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Owners

MERTEN, GREGORY/SHIRLEY

815 GRAND ST
OSHKOSH, WI 54901-4001

Parcel Summary

Location 815 GRAND ST
PAD Type Code 109: Basic Single Story
Zoning TR-10
Acreage 0.177

Assigned Districts

State CodeDistrict Name
001200FVTC
266City of Oshkosh
704179Oshkosh School District
70Winnebago County
Ward 10

Legal Description

N 56 FT OF LOT 5 BLK P BALDWIN KNAPP & FITZGERALD ADDN

Assessed Value History

Assessment Year 2026 2025 2024 2023 2022 2021 2020
Land Value$23,100$23,100$23,100$13,600$13,600$13,600$13,600
Building Value$135,400$135,400$135,400$78,100$78,100$78,100$78,100
Total Value$158,500$158,500$158,500$91,700$91,700$91,700$91,700
Average Assessment Ratio0.00000.97670.95840.69200.74990.82870.8894
Estimated Fair Market Value$0$162,300$165,400$132,500$122,300$110,700$103,100
Parcel Acres0.1770.1800.1800.1800.1800.1800.180
Tax Classification(s)ResidentialResidentialResidentialResidentialResidentialResidentialResidential

Document/Transfer/Sales History

Document
Number		Sale DateDeed TypeV/ISale ValidationReal
Estate
Value		Multi
Parcel
Sale		Ownership
19337202024-10-2914 - Transfer on deathImproved5 - Not a market sale$0Grantor: MERTEN, GREGORY/SHIRLEY
Grantee: MERTEN, GREGORY/SHIRLEY
07929151992-03-31Improved2 - Valid improved sale$39,900Grantee: MERTEN, GREGORY/SHIRLEY

Building Information

Building # 1, Section # 1, Basic Single Story

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Basic Single Story1920C1296100.00%Average

Building Data

DescriptionUnits/Details
Living/Apart. Units1
Stories1 story
Roof TypeNo Code
Basement TypeBelow Grade
Exterior WallAsbestos
Masonry Adjustment (SF +/-)0
HeatingGas, forced air
Air ConditioningA/C (same ducts)
Bedrooms2
Bath-Full1
Bath-Half0
Whirlpool0
Additional Fixtures2
Hot Tub0
Plumbing Rough In0
Family Rooms0
Other Rooms3
Masonry Fireplace Stacks0
Masonry Fireplace Openings0
Masonry Additional Stories0
Metal Fireplace Stacks2
Metal Fireplace Openings2
Metal Additional Stories0
Gas Fireplace Openings0

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
1F/01,296100%1,296
B1,296100%1,296
EFP96100%96
EFP132100%132
OFP24100%24
1F/0=[MULTIPLIER=1;ORIG=0,0] N16 E2 N30 E28 S42 W6 S4 W24 $ B=[MULTIPLIER=1;ORIG=0,0] N16 E2 N30 E28 S42 W6 S4 W24 $ EFP=[MULTIPLIER=1;ORIG=9,-46] N8 E12 S8 W12 $ EFP=[MULTIPLIER=1;ORIG=15,0] E9 N4 E5 S12 W14 N8 $ OFP=[MULTIPLIER=1;ORIG=0,0] E6 S4 W6 N4

Building # 2, Section # 1, Garage

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Garage1920C0100.00%Average

Building Data

DescriptionUnits/Details
Width18
Depth24

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI432100%432
OBI=[MULTIPLIER=1;ORIG=26,-60] N24 E18 S24 W18

Building # 3, Section # 1, Utility shed

StyleYear BuiltQuality/GradeHeated Sq Ft% CompleteCondition
Utility shed1920C0100.00%Average

Building Data

DescriptionUnits/Details
Width8
Depth18

Sub Areas

TypeGross AreaPercent of BaseAdjusted Area
OBI144100%144
OBI=[MULTIPLIER=1;ORIG=26,-66] W8 S18 E8 N18

Land Lines

Land LineTax ClassificationAcresSq. Ft.WidthDepthValue
1Residential0.187,72856.00138.00$23,100

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.