Brookings County property record for 21856 477th Ave, Aurora, SD 57002
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,046 sqft · built 1908 |
| Lot Size | 4.24 acres (184,694 sqft) |
| Owner | 2 Trust Names on Record |
| Tax Bill | $1,837 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 219801094925300 |
| Primary APN | 219801094925300 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,046 sqft Living Area |
| 1st Floor Area | 1,312 sqft |
| Basement Area | 1,072 sqft |
| Finished Basement | 396 sqft |
| Unfinished Basement | 1,072 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1944 |
| Exterior Material | Wood Siding |
| Construction Type | Mixed |
| Foundation Type | No Foundation |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 184,694 sqft (4.24 acres) |
| Porch | Slab |
|---|---|
| Porch Area | 20 sqft |
| Patio Area | 192 sqft |
| Shed | 1 Shed |
| Granary | Granary |
| Cooling System | None |
|---|---|
| Heating System | Floor/Wall Furnace |
| Street Address | 21856 477TH AVE |
|---|---|
| City | AURORA |
| State | SD |
| Zip | 57002-7108 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 440' OF W 420' OF NW 1/4 SW 1/4 SEC 25-109-49 4.24 AC |
| Legal Range | 49 |
| Legal Township | 109 |
| Legal Section | 25 |
| Jurisdiction | BROOKINGS SD |
| Township / Civil Division | TRENTON |
| Census Block Group | 3 |
| Census Block | 3105 |
| Census Tract | 958600 |
Source: Brookings County records, as of July 20, 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 Record |
|---|---|
| Mailing Address | 21856 477TH AVE, AURORA, SD 57002-7108 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Corporate Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Brookings County assessment roll, as of May 11, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Brookings County |
| County Subdivision | Trenton Township |
| Unified School District | Elkton School District 05-3 (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,837.00 | $178,400 Building $178,400 |
| 2025 | $1,837.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective April 22, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
|
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 99.8% of the US · lower than 99.5% of South Dakota |
|---|---|
| Wildfire Likelihood | Under 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 | BIG SIOUX COMMUNITY WATER SYSTEM private · serves 5,800 people · EPA ID SD4600429 |
|---|---|
| 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, 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 2 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ITC Fiber | 1,000 / 1,000 |
| GigFire Fixed Wireless | 150 / 130 |
| Midco Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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