Brookings County property record for 21857 477th Ave, Aurora, SD 57002
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,848 sqft · built 1947 |
| Lot Size | 9.6 acres (418,176 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,222 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 219801094926400 |
| Primary APN | 219801094926400 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 12 Plumbing Fixtures |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,848 sqft Living Area |
| 1st Floor Area | 1,829 sqft |
| Upper Floors Area | 1,451 sqft |
| Basement Area | 969 sqft |
| Finished Basement | 568 sqft |
| Unfinished Basement | 1,022 sqft |
| Family Room | Family Room |
| Flooring | Laminate Plank |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 2012 |
| Exterior Material | Wood |
| Construction Type | Mixed |
| Foundation Type | No Foundation |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 418,176 sqft (9.6 acres) |
| Garage Type | Mixed |
| Garage Area | 728 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
|---|---|
| Porch Area | 272 sqft |
| Deck Area | 84 sqft |
| Shed | 1 Shed |
| Stable | 384 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 21857 477TH AVE |
|---|---|
| City | AURORA |
| State | SD |
| Zip | 57002-7108 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 550' OF E 760' OF SE 1/4 SEC 26-109-49 9.60 AC |
| Legal Range | 49 |
| Legal Township | 109 |
| Legal Section | 26 |
| Jurisdiction | BROOKINGS SD |
| Township / Civil Division | TRENTON |
| Census Block Group | 3 |
| Census Block | 3106 |
| Census Tract | 958600 |
Source: Brookings County records · APN 219801094926400
Assessment roll updated May 11, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21857 477TH AVE, AURORA, SD 57002-7108 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Corporate Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Brookings County records · Assessment roll updated May 11, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Brookings County |
| County Subdivision | Trenton Township |
| Unified School District | Elkton School District 05-3 (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $6,222.00 | $569,600 Building $569,600 |
| 2025 | $6,222.00 |
Source: FEMA National Flood Hazard Layer as of April 22, 2025 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (2019) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Sep 2019 · Severe Storms, Tornadoes, And Flooding |
| Claims by Event |
|
| Wildfire Risk | Low lower than 93% of the US · lower than 89% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Interstate Telecommunications Cooperative Fiber | 1,000 / 1,000 |
| LTD Broadband Fixed Wireless | 150 / 130 |
| Midcontinent Communications Fixed Wireless | 100 / 20 |
Based on FCC filings for 2 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | BIG SIOUX COMMUNITY WATER SYSTEM private · serves 5,800 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2023 |
| Lead | 1 ppb (2024) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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