303 E Conant St, Portage, WI 53901 Property Records

Columbia County property record for 303 E Conant St, Portage, WI 53901

Property Summary

Property Type	Single Family Home
Lot Size	0.157 acres (6,882 sqft)
Owner	Company Name on Record
Tax Bill	$1,099 (2025)
Deeds & Mortgages	Jul 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`11271-563`

Property Details

APN / Parcel Number

Primary APN	`11271-563`
Alternative APN	`2231815`

Exterior

Lot Area	6,882 sqft (0.157 acres)

Location & Zoning

Street Address	303 E CONANT ST
City	PORTAGE
State	WI
Zip	53901-2251
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 10, BLK 186, JJ GUPPEYS
Legal Range	09E
Legal Township	12N
Legal Section	05
Legal Subdivision	JJ GUPPEY
Legal Block	186
Legal Lot Number	10
Jurisdiction	COLUMBIA WI
Township / Civil Division	PORTAGE
Census Block Group	4
Census Block	4005
Census Tract	970500

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Listed Area	Within Portage Canal listed 1977 · 4 contributing resources · NRIS 77000030

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

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	Company Name on Record
Mailing Address	1819 SAINT ALBERT THE GREAT DR, SUN PRAIRIE, WI 53590-3543
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Jun 8, 2026

July 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	COLUMBIA WI
Recording Date	Jul 20, 2018
Property Address	303 E CONANT ST, PORTAGE, WI 53901-2271
Document Number	0000905648
Instrument Date	Jul 18, 2018
Instrument	905648
Transaction Type	Transfer
Record Updated	Aug 24, 2018

Transaction

Amount	Amount Recorded
Tax	$120.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1819 SAINT ALBERT THE GREAT DR SUN PRAIRIE WI 535903543, SUN PRAIRIE, WI 53590-3543

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	$1,099.00 (+34.85%)	$55,800 (+13.88%) Land $11,400 Building $44,400	$61,969 (+20.67%) Land $12,660 Building $49,309
2023	$815.00	$49,000 Land $11,400 Building $37,600	$51,352 Land $11,947 Building $39,405

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	2 (2008)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Jun 2008 · Severe Storms, Tornadoes, And Flooding
Claims by Event	Severe Storms, Tornadoes, And Flooding, Jun 2008 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 372 locations within half a mile, as of December 31, 2025

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