Lawrence County property record for 630 W Mason St, Spearfish, SD 57783
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 1,073 sqft · built 1900 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,900 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 32750-01100-080-00 |
| Primary APN | 32750-01100-080-00 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Building Area | 1,073 sqft Living Area |
| 1st Floor Area | 783 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Lot Area | 6,970 sqft (0.16 acres) |
| Lot Dimensions | 100 ft deep x 70 ft wide |
| Account Number | R20974 |
|---|---|
| Street Address | 630 W MASON ST |
| City | SPEARFISH |
| State | SD |
| Zip | 57783-1715 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WEST ADDITION E 70' OF LOTS 7 & 8 BLK 11 PLAT BK2 PG 60 |
| Legal Subdivision | WEST ADDITION |
| Legal Block | 11 |
| Legal Lot Number | 7-8 |
| Jurisdiction | LAWRENCE SD |
| Township / Civil Division | SPEARFISH |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 966303 |
Source: Lawrence County assessment roll, as of September 2, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 630 W MASON ST, SPEARFISH, SD 57783-1715 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Lawrence County assessment roll, as of September 2, 2025
| Type | Name |
|---|---|
| State | South Dakota |
| County | Lawrence County |
| Municipality | Spearfish City |
| Unified School District | Spearfish School District 40-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,900.00 (-4.38%) | $182,450 (+27.13%) Land $63,000 Building $119,450 | |
| 2024 | $1,987.00 (+5.58%) | ||
| 2023 | $158,400 Land $38,500 Building $119,900 | ||
| 2022 | $1,882.00 | $143,520 Land $38,500 Building $105,020 |
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 April 29, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 8 in force |
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 80% of the US · lower than 85% of South Dakota |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SPEARFISH serves 13,803 people · EPA ID SD4600311 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | 3 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 311 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Midcontinent Communications Cable | 1,250 / 250 |
| Clarity Telecom Cable · Fiber in parts of the area | 1,000 / 30 |
| BHT Investment Holdings Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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