Brown County property record for 39870 139th St, Groton, SD 57445
| Property Type | Mobile Home |
|---|---|
| Details | 3 bd · 1 ba · 2,100 sqft · built 1980 |
| Lot Size | 158 acres (6,882,480 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,056 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 24141226220 |
| Primary APN | 24141226220 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 25 Plumbing Fixtures |
| Total Rooms | 1 Room |
| Stories | 1 Story |
| Building Area | 2,100 sqft Living Area |
| 1st Floor Area | 1,229 sqft |
| Basement Area | 2,448 sqft |
| Unfinished Basement | 1,440 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Mobile Home |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 6,882,480 sqft (158 acres) |
| Lot Dimensions | 140 ft deep x 75 ft wide |
| Garage Area | 660 sqft |
| Porch | Slab |
| Porch Area | 184 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | 24141226220 |
|---|---|
| Street Address | 39870 139TH ST |
| City | GROTON |
| State | SD |
| Zip | 57445-6504 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | SE 14-122-62 |
| Legal Range | 62 |
| Legal Township | 122 |
| Legal Section | 14 |
| Jurisdiction | BROWN SD |
| Township / Civil Division | GEM |
| Census Block Group | 3 |
| Census Block | 3039 |
| Census Tract | 951900 |
39870 139th St, a mobile home, is owned and occupied by an individual.
Source: Brown County records, as of September 23, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 39870 139TH ST, GROTON, SD 57445-6504 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 39870 139th St was $6,056.
Source: Brown County assessment roll, as of January 13, 2026
| Type | Name |
|---|---|
| State | South Dakota |
| County | Brown County |
| County Subdivision | Gem Township |
| Unified School District | Aberdeen School District 06-1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,056.00 | $693,604 (+1.45%) Land $539,669 Building $153,935 | $703,604 Land $539,669 Building $163,935 |
| 2025 | $6,056.00 (+4.23%) Additional exemption filed | $683,677 Land $526,034 Building $157,643 | |
| 2024 | $5,810.00 (+3.47%) | ||
| 2023 | $5,615.00 (-1.99%) Additional exemption filed | $589,495 Land $449,044 Building $140,451 | |
| 2022 | $5,729.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 39870 139th St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2010.
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 Policies | 3 in force |
| Nearby Flood Claims | 2 (2010) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Apr 2010 · 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 39870 139th St is moderate, ranking above 59% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 59% of the US · above 56% 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 | WEB WATER DEVELOPMENT ASSOCIATION private · serves 20,750 people · EPA ID SD4601089 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2024 |
| 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 1 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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