521 E Mifflin St, Madison, WI 53703 Property Records

Dane County property record for 521 E Mifflin St, Madison, WI 53703

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,146 sqft · built 1869
Lot Size	0.058 acres (2,509 sqft)
Owner	Company Name on File
Last Sale	$210,000 (May 2020)
Tax Bill	$5,688 (2025)
Deeds & Mortgages	May 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`0709-133-1502-8`

Property Details

APN / Parcel Number

Primary APN	`0709-133-1502-8`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,146 sqft Living Area
Gross Area	1,824 sqft
1st Floor Area	678 sqft
2nd Floor Area	468 sqft
Basement Area	678 sqft
Flooring	Wood
Interior Walls	Plaster

Exterior

Year Built	Built 1869
Effective Year Built	Effective 1967
Architectural Style	Old Style
Exterior Material	Aluminum/Vinyl
Roof Material	Asphalt
Lot Area	2,509 sqft (0.058 acres)
Lot Dimensions	66 ft deep x 38 ft wide
View / Lot	Traffic
Driveway	Concrete Driveway
Driveway Area	96 sqft
Porch	Open Frame Porch
Porch Area	136 sqft

Utilities, Heating & Cooling

Cooling System	Window A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	521 E MIFFLIN ST
City	MADISON
State	WI
Zip	53703-4612
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PD
Legal Description	ORIGINAL PLAT, BLK 117, NE 38.9 FT OF SW 1/2 OF LOT 10.
Legal Range	09E
Legal Township	07N
Legal Section	13
Legal Quarter	3
Legal Subdivision	ORIGINAL PLAT, BLK 117, NE 38.9 FT OF SW
Legal Block	117
Legal Lot Number	10
Jurisdiction	DANE WI
Township / Civil Division	MADISON
Census Block Group	2
Census Block	2000
Census Tract	1707

Owner

Source: Dane County records · APN 0709-133-1502-8

Assessment roll updated March 16, 2026 · Last verified April 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 File
Mailing Address	906 SAUK RIDGE TRL, MADISON, WI 53717-1187
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	May 26, 2020 · Amount on Record
Deed Sale	May 26, 2020 · Amount on Record
Prior Sale	Feb 14, 2012 · Amount on Record
Deed Document Number	20205592443
Record Updated	Jun 08, 2026

May 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DANE WI
Recording Date	May 26, 2020
Property Address	521 E MIFFLIN ST, MADISON, WI 53703-4612
Document Number	0005592443
Instrument Date	May 19, 2020
Instrument	5592443
Transaction Type	Transfer
Record Updated	Sep 08, 2022
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$630.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	906 SAUK RIDGE TRL, MADISON, WI 53717-1187

Mortgage

Document Number	0005592444
Date	May 26, 2020
Instrument	5592444

Lender

Name	UNION FEDERAL SAVINGS & LOAN

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

Source: Dane County records · Assessment roll updated March 16, 2026 · Last verified April 2026

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

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$5,688.00 (+16.06%)	$309,800 (+21.02%) Land $90,500 Building $219,300
2024	$4,901.00 (+4.28%)		$281,600 (+9.38%)
2023		$256,000 Land $90,500 Building $165,500	$257,442
2022	$4,700.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 20, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: Hoyos Consulting.

Based on FCC filings for 261 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MADISON WATER UTILITY serves 272,000 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.