Brown County property record for 40955 129th St, Groton, SD 57445
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2,210 sqft · built 1935 |
| Lot Size | 14.3 acres (622,908 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $2,458 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 16341246010001 |
| Primary APN | 16341246010001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 2,210 sqft Living Area |
| 1st Floor Area | 1,420 sqft |
| Basement Area | 468 sqft |
| Unfinished Basement | 468 sqft |
| Flooring | Carpet |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asbestos |
| Lot Area | 622,908 sqft (14.3 acres) |
| Garage Area | 1,200 sqft |
| Porch | Slab |
| Porch Area | 244 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 16341246010001 |
|---|---|
| Street Address | 40955 129TH ST |
| City | GROTON |
| State | SD |
| Zip | 57445-5500 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | W 745' OF N 845' NE 34-124-60 EX RD (14.3AC) |
| Legal Range | 60 |
| Legal Township | 124 |
| Legal Section | 34 |
| Jurisdiction | BROWN SD |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 4 |
| Census Block | 4260 |
| Census Tract | 952000 |
Source: Brown County records, as of September 23, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 40955 129TH ST, GROTON, SD 57445-5500 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Brown County assessment roll, as of January 13, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Brown County |
| County Subdivision | Riverside Township |
| Unified School District | Groton Area School District 06-6 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,458.00 (+0.04%) | $259,749 (+13.94%) Land $122,151 Building $137,598 | $259,749 Land $122,151 Building $137,598 |
| 2025 | $2,457.00 (+3.67%) | $227,970 (+27.64%) Land $104,650 Building $123,320 | |
| 2024 | $2,370.00 (+29.44%) | ||
| 2023 | $1,831.00 (+8.6%) | $178,607 Land $79,350 Building $99,257 | |
| 2022 | $1,686.00 |
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 March 30, 2015 · 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 Claims | 9 (2010–2011) |
| Claims Outside the SFHA | 4 of 9 |
| Most Recent Claim | Sep 2011 · river or lake 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 | Moderate above 54% of the US · above 43% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.1% 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 | BROWN-DAY-MARSHALL RWS private · serves 5,673 people · EPA ID SD4600882 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2022 |
| Lead | 2 ppb (2025) 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) |
|---|---|
| Northern Valley Communications Fiber | 1,000 / 200 |
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