302 Koster St, Madison, WI 53713 Property Records

Dane County property record for 302 Koster St, Madison, WI 53713

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 728 sqft · built 1933
Lot Size	0.999 acres (43,547 sqft)
Owner	Individual Name on File
Last Sale	$310,000 (Dec 2025)
Tax Bill	$4,644 (2024)
Deeds & Mortgages	Jul 2025 Line of Credit Dec 2025 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`0709-351-1206-4`

Property Details

APN / Parcel Number

Primary APN	`0709-351-1206-4`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	728 sqft Living Area
1st Floor Area	538 sqft
Basement Area	446 sqft

Exterior

Year Built	Built 1933
Effective Year Built	Effective 1958
Architectural Style	Bungalow
Exterior Material	Aluminum/Vinyl
Foundation Type	Block
Roof Material	Asphalt
Lot Area	43,547 sqft (0.999 acres)
Garage Type	Detached
Garage Area	800 sqft
Driveway	Driveway
Driveway Area	120 sqft
Parking Spaces	3 Parking Spaces

Exterior Amenities

Porch	Enclosed Porch
Porch Area	657 sqft
Shed	1 Shed
Shed Area	80 sqft
Greenhouse	190 sqft

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	302 KOSTER ST
City	MADISON
State	WI
Zip	53713-1406
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	TR-C1
Legal Description	PART NE 1/4 OF NE 1/4 SEC 35, T7N, R9E - COM AT NE COR SD SEC, TH W 397.3 FT, TH S 0 DEG 53 MIN W 516.7 FT TO NELY LN OF
Legal Range	09
Legal Township	07
Legal Section	35
Legal Subdivision	PART NE 1/4 OF NE 1/4 SEC 35, T7N, R9E
Jurisdiction	DANE WI
Township / Civil Division	MADISON
Census Block Group	4
Census Block	4011
Census Tract	1401

Owner

302 Koster St is owned and occupied by an individual who bought it in December 2025.

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

Owner of Record	Individual Name on File
Co-owner	Co-owner on File
Mailing Address	302 KOSTER ST, MONONA, WI 53713-1406
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
Jul 10, 2025	Deed of Trust, Mortgage · Line of Credit UW CU
Dec 23, 2025	Warranty Deed, Transfer · Conventional Mortgage THOMPSON KANE & CO INC
Sep 30, 2019	Warranty Deed, Transfer · Conventional Mortgage CITIZENS BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 23, 2025 · Amount on File
Deed Sale	Dec 23, 2025 · Amount on File
Prior Sale	Sep 30, 2019 · Amount on File
Deed Document Number	6071578
Record Updated	Jun 8, 2026

July 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DANE WI
Property Address	302 KOSTER ST, MADISON, WI 53713-1406
Transaction Type	Mortgage
Record Updated	Jan 7, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0006038548
Date	Jul 10, 2025
Instrument	6038548

Lender

Name	UW CU
Type	Credit Union
Address	MADISON, WI 53744

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jul 9, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DANE WI
Recording Date	Dec 23, 2025
Property Address	302 KOSTER ST, MADISON, WI 53713-1406
Document Number	0006071578
Instrument Date	Dec 9, 2025
Instrument	6071578
Transaction Type	Transfer
Record Updated	Jan 7, 2026

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$930.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	302 KOSTER ST, MONONA, WI 53713-1406

Mortgage

Document Number	0006071579
Date	Dec 23, 2025
Instrument	6071579

Lender

Name	THOMPSON KANE & CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

September 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DANE WI
Recording Date	Sep 30, 2019
Property Address	302 KOSTER ST, MADISON, WI 53713-1406
Document Number	0005526440
Instrument Date	Sep 24, 2019
Instrument	5526440
Transaction Type	Transfer
Record Updated	Jun 14, 2021

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$518.70
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1207 SWEENEY DR, MIDDLETON, WI 53562-3750

Mortgage

Document Number	0005526441
Date	Sep 30, 2019
Instrument	5526441

Lender

Name	CITIZENS BANK NA

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Interest

Rate Type	Fixed Rate

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		$267,100 (-) Land $144,800 Building $122,300
2024	$4,644.00	$267,100 (+9.02%) Land $144,800 Building $122,300	$267,100
2023		$245,000 Land $132,800 Building $112,200
2022	$4,173.00

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

Flood

FEMA maps place 302 Koster St 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	2 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 302 Koster St 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 342 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
LiteWire Fixed Wireless	100 / 25

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

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