Lake County property record for 509 S Harth Ave, Madison, SD 57042
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 6 ba · 1,464 sqft · built 1909 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,776 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21570-00200-040-10 |
| Primary APN | 21570-00200-040-10 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 6 Baths |
| Building Area | 1,464 sqft Living Area |
| Basement Area | 640 sqft |
| Unfinished Basement | 640 sqft |
| Year Built | Built 1909 |
|---|---|
| Effective Year Built | Effective 1909 |
| Lot Area | 15,246 sqft (0.35 acres) |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Street Address | 509 S HARTH AVE |
|---|---|
| City | MADISON |
| State | SD |
| Zip | 57042-3425 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 3-4 BLK 2 FRAUTSCHYS ADD #1944M |
| Legal Subdivision | FRAUTSCHYS ADD |
| Legal Block | 2 |
| Legal Lot Number | 3-4 |
| Jurisdiction | LAKE SD |
| Township / Civil Division | MADISON |
| Census Block Group | 2 |
| Census Block | 2075 |
| Census Tract | 960201 |
Source: Lake County records, as of September 23, 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 Record |
|---|---|
| Mailing Address | 509 S HARTH AVE, MADISON, SD 57042-3425 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Lake County assessment roll, as of October 24, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Lake County |
| Municipality | Madison City |
| Unified School District | Madison Central School District 39-2 (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,776.00 (-5.83%) | $123,200 (-) Land $24,000 Building $99,200 | $123,200 Land $24,000 Building $99,200 |
| 2025 | $1,886.00 (+3.46%) | $123,200 (-) Land $24,000 Building $99,200 | |
| 2024 | $1,823.00 (+5.87%) | $123,200 (+6.76%) Land $24,000 Building $99,200 | |
| 2023 | $1,722.00 (+23.97%) | $115,400 Land $20,900 Building $94,500 | |
| 2022 | $1,389.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective November 20, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 3 (2019) |
| Most Recent Claim | Sep 2019 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 93% of South Dakota |
|---|---|
| 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MADISON serves 6,191 people · EPA ID SD4600199 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023) action level 15 ppb |
| 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.
Source: FCC Broadband Data Collection, based on 157 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 2,000 / 350 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
May also be available: GigFire, Interlakes Wireless, Verizon.
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