Lake County property record for 520 S Grant Ave, Madison, SD 57042
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,052 sqft · built 1972 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,412 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21740-00000-060-12 |
| Primary APN | 21740-00000-060-12 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,052 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 15,246 sqft (0.35 acres) |
| Garage Type | Attached |
| Garage Area | 1,344 sqft |
| Street Address | 520 S GRANT AVE |
|---|---|
| City | MADISON |
| State | SD |
| Zip | 57042-3505 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 EXC N 176'& EXC S60'THEREOF; AND W70'S147' LOT 7 EXC S60' CO AUD 2ND ADD #2155M-2 |
| Legal Subdivision | CO AUD 2ND ADD |
| Legal Lot Number | 6,7 |
| Jurisdiction | LAKE SD |
| Township / Civil Division | MADISON |
| Census Block Group | 1 |
| Census Block | 1030 |
| Census Tract | 960201 |
Source: Lake County records, as of September 23, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 520 S GRANT AVE, MADISON, SD 57042-3505 |
| 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 | $2,412.00 (-3.79%) | $167,300 (-) Land $21,600 Building $145,700 | $167,300 Land $21,600 Building $145,700 |
| 2025 | $2,507.00 (+5.25%) | $167,300 (-) Land $21,600 Building $145,700 | |
| 2024 | $2,382.00 (+3.66%) | $167,300 (+6.15%) Land $21,600 Building $145,700 | |
| 2023 | $2,298.00 (+20.69%) | $157,600 Land $18,800 Building $138,800 | |
| 2022 | $1,904.00 |
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 |
| Flood Insurance Cost | Premium on File median of 32 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 14 (2010–2019) |
| Claims Outside the SFHA | 1 of 14 |
| 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 98% of the US · lower than 96% of South Dakota |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 163 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midco Cable | 1,250 / 60 |
| Bluepeak Cable · Fiber in parts of the area | 1,000 / 30 |
| Starlink Satellite | 280 / 30 |
May also be available: GigFire, Interlakes Wireless, Verizon.
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