1806 Chadbourne Ave, Madison, WI 53726 Property Records

Dane County property record for 1806 Chadbourne Ave, Madison, WI 53726

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,956 sqft · built 1914
Lot Size	0.055 acres (2,400 sqft)
Owner	Individual Name on File
Last Sale	$356,000 (Nov 2011)
Tax Bill	$11,196 (2024)
Deeds & Mortgages	Mar 2026 Line of Credit May 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`0709-222-3120-7`

Property Details

APN / Parcel Number

Primary APN	`0709-222-3120-7`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	1,956 sqft Living Area
1st Floor Area	808 sqft
2nd Floor Area	728 sqft
Attic Area	112 sqft
Basement Area	728 sqft
Finished Basement	420 sqft
Family Room	Family Room
Flooring	Wood
Interior Walls	Plaster

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1975
Architectural Style	Traditional
Exterior Material	Aluminum/Vinyl
Foundation Type	Concrete
Roof Material	Asphalt
Lot Area	2,400 sqft (0.055 acres)
Lot Dimensions	60 ft deep x 40 ft wide
Driveway	Driveway
Driveway Area	76 sqft
Porch	Enclosed Porch
Porch Area	368 sqft
Patio Area	182 sqft

Utilities, Heating & Cooling

Cooling System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1806 CHADBOURNE AVE
City	MADISON
State	WI
Zip	53726-4045
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	HIS-UH, TR-C3
Legal Description	UNIVERSITY HEIGHTS, BLK 26, W 40 FT OF S 1/2 OF LOT 17
Legal Range	09
Legal Township	07
Legal Section	22
Legal Subdivision	UNIVERSITY HEIGHTS
Legal Block	26
Legal Lot Number	17
Jurisdiction	DANE WI
Township / Civil Division	MADISON
Census Block Group	2
Census Block	2015
Census Tract	902

Owner

1806 Chadbourne Ave is owned and occupied by an individual who bought it in November 2011.

Source: Dane County records, as of January 22, 2026

Owner of Record	Individual Name on File
Co-owner	Co-owner on File
Mailing Address	1806 CHADBOURNE AVE, MADISON, WI 53726-4045
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 3, 2026	Deed of Trust, Mortgage · Line of Credit UW CU
May 7, 2020	Deed of Trust, Mortgage · Conventional Mortgage UNIVERSITY/WI CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 30, 2011 · Amount on File
Deed Sale	Nov 30, 2011 · Amount on File
Deed Document Number	4817650
Record Updated	Jun 8, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	1806 CHADBOURNE AVE, MADISON, WI 53726-4045
Transaction Type	Mortgage
Record Updated	Mar 19, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0006083679
Date	Mar 3, 2026
Instrument	6083679

Lender

Name	UW CU
Type	Credit Union
Address	MADISON, WI 53744

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Mar 2, 2056

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	1806 CHADBOURNE AVE, MADISON, WI 53726-4045
Document Number	0005589146
Instrument Date	May 7, 2020
Transaction Type	Mortgage
Record Updated	Jun 17, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	1806 CHADBOURNE AVENUE MADISON WI MADISON WI 53726, MADISON, WI 53726

Mortgage

Document Number	0005589146
Date	May 15, 2020
Instrument	5589146

Lender

Name	UNIVERSITY/WI CU
Type	Credit Union
Address	MADISON, WI

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	144 Months
Due	May 14, 2032

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Wisconsin
County	Dane County
Municipality	Madison City
Unified School District	Madison Metropolitan School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$652,400 Land $164,000 Building $488,400
2024	$11,196.00		$652,400
2023		$609,700 Land $153,300 Building $456,400
2022	$10,721.00

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

Flood

FEMA maps place 1806 Chadbourne Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 20, 2026 · 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 Policies	1 in force

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

Wildfire risk around 1806 Chadbourne Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 97.9% of Wisconsin
Wildfire Likelihood	Under 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	MADISON WATER UTILITY serves 272,000 people · EPA ID WI1130224
Water Source	Groundwater
Last State Inspection	Apr 2023
Lead	2 ppb (2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Lead service line inventory Oct 2024
Monitoring and Reporting	1 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 554 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
LiteWire Fixed Wireless · Fiber in parts of the area	100 / 25
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Four Lakes Broadband, T-Mobile.

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