Lake County property record for 423 N Egan Ave, Madison, SD 57042
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 7 ba · 1,840 sqft · built 1919 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,490 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 21120-00900-000-10 |
| Primary APN | 21120-00900-000-10 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 7 Baths |
| Stories | 2 Stories |
| Building Area | 1,840 sqft Living Area |
| Basement Area | 899 sqft |
| Unfinished Basement | 899 sqft |
| Year Built | Built 1919 |
|---|---|
| Effective Year Built | Effective 1919 |
| Lot Area | 6,970 sqft (0.16 acres) |
| Garage Type | Detached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 423 N EGAN AVE |
|---|---|
| City | MADISON |
| State | SD |
| Zip | 57042-2138 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N1/3 NE1/4 BLK 9 KENNEDY'S EXT #1350M |
| Legal Block | 9 |
| Legal Lot Number | 9 |
| Jurisdiction | LAKE SD |
| Township / Civil Division | MADISON |
| Census Block Group | 2 |
| Census Block | 2069 |
| Census Tract | 960202 |
Source: Lake County assessment roll, as of October 24, 2025
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 | 423 N EGAN AVE, MADISON, SD 57042-2138 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Jun 8, 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 |
|---|---|---|
| 2025 | $2,490.00 (+5.2%) | $163,200 (-) Land $21,400 Building $141,800 |
| 2024 | $2,367.00 (+3.63%) | $163,200 (+6.25%) Land $21,400 Building $141,800 |
| 2023 | $2,284.00 (+22.99%) | $153,600 Land $18,600 Building $135,000 |
| 2022 | $1,857.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective November 20, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 42 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 42 in force |
| Nearby Flood Claims | 21 (1993–2019) |
| Claims Outside the SFHA | 5 of 21 |
| 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 | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 332 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midcontinent Communications Cable | 1,250 / 60 |
| Clarity Telecom Cable · Fiber in parts of the area | 1,000 / 30 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Interlakes Wireless, LTD Broadband, T-Mobile USA.
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