519 W Mason St, Spearfish, SD 57783 Property Records

Lawrence County property record for 519 W Mason St, Spearfish, SD 57783

Property Summary

Property TypeSingle Family Home
Details2 ba · 848 sqft · built 1920
Lot Size0.2 acres (8,712 sqft)
OwnerIndividual Name on Record
Tax Bill$2,307 (2025)
Flood ZoneZone X (minimal risk)
APN32570-04500-130-10

Property Details

APN / Parcel Number

Primary APN32570-04500-130-10
Alternative APN
  • R19311

Interior

Full Baths2 Baths
Plumbing Fixtures6 Plumbing Fixtures
Building Area848 sqft Living Area
1st Floor Area848 sqft
Basement Area192 sqft
Unfinished Basement192 sqft

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1920
Lot Area8,712 sqft (0.2 acres)
Lot Dimensions150 ft deep x 58.6 ft wide

Location & Zoning

Account NumberR19311
Street Address519 W MASON ST
CitySPEARFISH
StateSD
Zip57783-1712
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionRAMSDELL ADDITION LOT 13 EX THE W 58.55' BLK 45 PLAT BK1 PG200
Legal SubdivisionRAMSDELL ADDITION
Legal Block45
Legal Lot Number13
JurisdictionLAWRENCE SD
Township / Civil DivisionSPEARFISH
Census Block Group1
Census Block1011
Census Tract966303

Owner

Source: Lawrence County records, as of May 27, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address28 VAN BUREN ST, DEADWOOD, SD 57732-1432
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Lawrence County assessment roll, as of September 2, 2025

Property Jurisdictions

TypeName
StateSouth Dakota
CountyLawrence County
MunicipalitySpearfish City
Unified School DistrictSpearfish School District 40-2 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$2,307.00 (-3.15%)$176,530 (+57.32%) Land $83,440 Building $93,090
2024$2,382.00 (+28.48%)
2023$136,030 Land $52,700 Building $83,330
2022$1,854.00$112,210 Land $48,300 Building $63,910

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective April 29, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 9 (5% premium discount)
Nearby Flood Policies8 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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 85% of South Dakota
Wildfire Likelihood0.02% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSPEARFISH
serves 13,803 people · EPA ID SD4600311
Water SourceGroundwater
Last State InspectionMar 2026
Lead3 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 311 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Midco
Cable
1,250 / 250
Bluepeak
Cable · Fiber in parts of the area
1,000 / 30
Wisp West
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Verizon.

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