13331 Grizzly Gulch Rd, Keystone, SD 57751 Property Records

Pennington County property record for 13331 Grizzly Gulch Rd, Keystone, SD 57751

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 932 sqft · built 1950
Lot Size	361 acres (15,741,634 sqft)
Owner	2 Individual Names on File
Tax Bill	$888 (2025)
Flood Zone	Zone X (minimal risk)
APN	`70-17-100-906`

Property Details

APN / Parcel Number

Primary APN	`70-17-100-906`
Alternative APN	`16163`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Building Area	932 sqft Living Area

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Architectural Style	Rustic
Lot Area	15,741,634 sqft (361 acres)
Deck Area	200 sqft

Location & Zoning

Account Number	16163
Street Address	13331 GRIZZLY GULCH RD
City	KEYSTONE
State	SD
Zip	57751
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S17, T2S, R06E, BLACK HILLS MERIDIAN, BLL ON GRIZZLY CREEK #5 (LOT A)
Legal Range	06E
Legal Township	02S
Legal Section	17
Legal Subdivision	BLACK HILLS MERIDIAN
Legal Lot Number	A
Jurisdiction	PENNINGTON SD
Township / Civil Division	MOUNT RUSHMORE
Census Block Group	1
Census Block	1084
Census Tract	11005

Owner

Source: Pennington County records · APN 70-17-100-906

Assessment roll updated August 26, 2025 · Last verified April 2026

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	410 S 6TH ST, BERESFORD, SD 57004-2126
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

Source: Pennington County records · Assessment roll updated August 26, 2025 · Last verified April 2026

Property Jurisdictions

Type	Name
State	South Dakota
County	Pennington County
Unified School District	Hill City School District 51-2 (PK - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$888.00 (-19.27%)	$73,500 (-5.41%) Building $73,500
2023	$1,100.00 (+20.35%)	$77,700 Building $77,700
2022	$914.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Pennington County (46103C), as of June 11, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 461030110051, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 17 policies
Nearby Flood Policies	17 in force
Nearby Flood Claims	3 (1995–2001)
Claims Outside the SFHA	2 of 3
Most Recent Claim	Jul 2001 · river or lake flooding
Claims by Event	Flooding, May 1995 · 2 claims

Wildfire

Wildfire Risk	High above 75% of the US · above 86% of South Dakota
Wildfire Likelihood	0.3% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Hanson Communications Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 7 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system SD4602309, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SOUTHERN BLACK HILLS WATER private · serves 947 people
Water Source	Groundwater
Last State Inspection	Mar 2026
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.