Dane County property record for 323 Koster St, Madison, WI 53713 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1992 |
| Square Footage | 720 sqft Living Area |
| Lot Size | 10,380 sqft (0.238 acres) |
| Garage | Attached, 288 sqft |
| Last Sale | $114,700 (2005) |
| Tax Bill | $4,636.00 (2024) |
| Primary APN | 0709-351-1109-0 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 720 sqft Living Area |
| 1st Floor | 720 sqft 1st Floor |
| Basement Area | 660 sqft Basement |
| Stories | 1 Stories |
| Primary Flooring | Carpet Flooring |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Exterior |
| Construction Type | Wood Construction |
| Foundation Type | Concrete Foundation |
| Roof Material | Asphalt Roof |
| Lot Area | 10,380 sqft (0.238 acres) |
| Driveway | 1 Driveway |
| Driveway Area | 140 sqft Driveway |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 288 sqft Garage |
| Sewage | Municipal Sewage |
|---|---|
| Water Source | Commercial Water Source |
| Street Address | 323 KOSTER ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53713-1405 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | CERTIFIED SURVEY MAP NO 4850, RECORDED IN DANE COUNTY REGISTER OF DEEDS IN VOL 2 1 PAGE 252 OF CERTIFIED SURVEYS. LOT 4 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 35 |
| Legal Subdivision | CERTIFIED SURVEY MAP NO 4850, RECORDED |
| Legal Lot Number | 4 |
| Jurisdiction | DANE WI |
| Minor Civil Division | MADISON |
| Census Blockgroup | 4 |
| Census Block | 4025 |
| Census Tract | 1401 |
Source: Dane County records · APN 0709-351-1109-0
Assessment roll updated January 1, 2025 · Last verified February 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 File |
|---|---|
| Mailing Address | 319 KOSTER ST, MADISON, WI 53713-1405 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 10, 2005 · Amount on Record |
| Deed Sale | Nov 10, 2005 · Amount on Record |
| Deed Doc Number | 4131319 |
| Record Refreshed | Jun 08, 2026 |
Source: Dane County records · Assessment roll updated January 1, 2025 · Last verified February 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Dane County |
| Municipality | Madison City |
| Unified School District | Madison Metropolitan School District (PK - 12) |
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 | $255,100 (+9.02%) Land $71,100 Building $184,000 | ||
| 2024 | $4,636.00 (+10.43%) | $255,100 | |
| 2023 | $234,000 Land $65,200 Building $168,800 | ||
| 2022 | $4,198.00 |
Source: FEMA National Flood Hazard Layer, Dane County (55025C), updated September 20, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 5% of the US · above 12% of Wisconsin |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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