Brookings County property record for 21838 473rd Ave, Brookings, SD 57006
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,176 sqft · built 1924 |
| Lot Size | 8.05 acres (350,658 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,814 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 213001094929200 |
| Primary APN | 213001094929200 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,176 sqft Living Area |
| 1st Floor Area | 832 sqft |
| Basement Area | 688 sqft |
| Unfinished Basement | 688 sqft |
| Flooring | Wood |
| Interior Walls | Plaster |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1945 |
| Exterior Material | Wood |
| Construction Type | Mixed |
| Foundation Type | No Foundation |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 350,658 sqft (8.05 acres) |
| Garage Type | Detached |
| Garage Area | 1,200 sqft |
| Porch | Slab |
|---|---|
| Porch Area | 32 sqft |
| Deck Area | Deck Area |
| Shed | 1 Shed |
| Shed Area | 288 sqft |
| Granary | 1,152 sqft |
| Pole Barn | 1,200 sqft |
| Cooling System | None |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 21838 473RD AVE |
|---|---|
| City | BROOKINGS |
| State | SD |
| Zip | 57006-7114 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PETERSON'S ADDN LOT 1 NW 1/4 SEC 29-109-49 8.05 AC |
| Legal Range | 49 |
| Legal Township | 109 |
| Legal Section | 29 |
| Legal Subdivision | PETERSONS ADDN |
| Legal Lot Number | 1 |
| Jurisdiction | BROOKINGS SD |
| Township / Civil Division | TRENTON |
| Census Block Group | 3 |
| Census Block | 3109 |
| Census Tract | 958600 |
21838 473rd Ave is owned and occupied by an individual.
Source: Brookings County records, as of July 20, 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 | 21838 473RD AVE, BROOKINGS, SD 57006-7114 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 21838 473rd Ave was $1,814, up 0.1% from the year before.
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 | Brookings School District 05-1 (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,814.00 (+0.06%) | $173,200 Building $173,200 |
| 2025 | $1,813.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21838 473rd Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2019.
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 |
|---|---|
| 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.
Wildfire risk around 21838 473rd Ave is low, with a 0.01% annual chance of wildfire.
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 | 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 | 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 3 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ITC Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Midco Fixed Wireless | 100 / 20 |
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