1010 Dunn St, Portage, WI 53901 Property Records

Columbia County property record for 1010 Dunn St, Portage, WI 53901

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · built 1842
Lot Size	0.219 acres (9,540 sqft)
Owner	Individual Name on Record
Last Sale	$192,000 (Jun 2024)
Tax Bill	$3,077 (2025)
Deeds & Mortgages	Oct 2023 Sale
Flood Zone	Zone X (minimal risk)
APN	`11271-1410`

Property Details

APN / Parcel Number

Primary APN	`11271-1410`
Alternative APN	`2230998`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Stories	1 Story

Exterior

Year Built	Built 1842
Exterior Material	Aluminum/Vinyl
Lot Area	9,540 sqft (0.219 acres)
Garage Type	Detached
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1010 DUNN ST
City	PORTAGE
State	WI
Zip	53901-1634
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	50' OFF SLY END OF LOTS 1, 2 & 3, LESS 15' OFF WLY SIDE OF LOT 3 AND NLY 10' OF LOTS 15 & 16, BLK 11, DUNN HASKILL & TENNEY'S
Legal Range	09E
Legal Township	12N
Legal Section	06
Legal Subdivision	DH&T ADD
Legal Block	11
Legal Lot Number	1-16
Jurisdiction	COLUMBIA WI
Township / Civil Division	PORTAGE
Census Block Group	1
Census Block	1013
Census Tract	970402

Owner

Source: Columbia County records, as of February 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	1010 DUNN ST, PORTAGE, WI 53901-1634
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 24, 2024 · Amount on Record
Deed Sale	Jun 24, 2024 · Amount on Record
Prior Sale	Oct 6, 2023
Deed Document Number	975850
Record Updated	Jun 8, 2026

October 2023: Survivorship Deed, Transfer

Document Type	Survivorship Deed
Jurisdiction	COLUMBIA WI
Recording Date	Oct 6, 2023
Property Address	1010 DUNN ST, PORTAGE, WI 53901-1634
Document Number	0000969830
Instrument Date	Oct 6, 2023
Instrument	969830
Transaction Type	Transfer
Record Updated	Dec 1, 2023

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1010 DUNN ST, PORTAGE, WI 53901-1634

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1010 DUNN ST, PORTAGE, WI 53901-1634

Tax Assessment & Valuation

Source: Columbia County assessment roll, as of January 1, 2025

Property Jurisdictions

Type	Name
State	Wisconsin
County	Columbia County
Municipality	Portage City
Unified School District	Portage Community School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,077.00 (+28.21%) Homeowner's exemption	$160,100 (+6.59%) Land $15,700 Building $144,400	$177,802 (+12.95%) Land $17,436 Building $160,366
2023	$2,400.00 (+7.67%) Homeowner's exemption	$150,200 (+17.71%) Land $15,700 Building $134,500	$157,410 (+14.91%) Land $16,454 Building $140,956
2022	$2,229.00 Homeowner's exemption	$127,600 Land $15,700 Building $111,900	$136,981 Land $16,854 Building $120,127

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective May 15, 2016

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · above 57% of Wisconsin
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	PORTAGE WATERWORKS serves 10,437 people · EPA ID WI1110039
Water Source	Groundwater
Last State Inspection	Nov 2025
Lead	6 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 389 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 50
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20