331 Johnsville Rd, Keymar, MD 21757 Property Records

Carroll County property record for 331 Johnsville Rd, Keymar, MD 21757

Property Summary

Property TypeSingle Family Home
Details1 ba · 1,040 sqft · built 1979
Lot Size1.01 acres (43,996 sqft)
Owner2 Individual Names on File
Tax Bill$2,900 (2026)
Flood ZoneZone X (minimal risk)
APN10-005078

Property Details

APN / Parcel Number

Primary APN10-005078
Alternative APN
  • 005078

Interior

Full Baths1 Bath
Stories1 Story
Building Area1,040 sqft Total Area

Exterior

Year BuiltBuilt 1979
Effective Year BuiltEffective 1979
Exterior MaterialSiding
Roof MaterialComposition Shingle
Lot Area43,996 sqft (1.01 acres)
Deck Area389 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
SewerConnected

Location & Zoning

Account Number005078
Street Address331 JOHNSVILLE RD
CityKEYMAR
StateMD
Zip21757-9017
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeAGRIC
Legal DescriptionLT. 1.014 AC SE/S JOHNSVILLE RD SW OF MIDDLEBURG
JurisdictionCARROLL MD
Township / Civil Division10, MIDDLEBURG
Census Block Group1
Census Block1050
Census Tract510000

Owner

331 Johnsville Rd, a single family home, is owned by two individuals.

Source: Carroll County records, as of October 20, 2026

Owner of Record2 Individual Names on File
Mailing Address315 JOHNSVILLE RD, KEYMAR, MD 21757-9017
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2026 property tax bill for 331 Johnsville Rd was $2,900, up 6.5% from the year before.

Source: Carroll County assessment roll, as of September 8, 2026

Property Jurisdictions

TypeName
StateMaryland
CountyCarroll County
Unified School DistrictCarroll County Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$2,900.00 (+6.54%)$253,600 Land $125,100 Building $128,500$253,600 Land $125,100 Building $128,500
2025$2,722.00
2023$2,326.00$205,900 Land $125,100 Building $80,800$205,900 Land $125,100 Building $80,800

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

Flood

FEMA maps place 331 Johnsville Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective March 11, 2016 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 16 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies16 in force
Nearby Flood Claims45 (1978–2021)
Claims Outside the SFHA8 of 45
Most Recent ClaimSep 2021 · river or lake flooding
Claims by Event
  • Severe Storms And Flooding, Jan 1996 · 13 claims

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

Wildfire risk around 331 Johnsville Rd is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · above 41% of Maryland
Wildfire Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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

Internet Providers

Source: FCC Broadband Data Collection, based on 11 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Glo Fiber
Fiber
8,000 / 8,000
Starlink
Satellite
280 / 30
T-Mobile
Fixed Wireless
100 / 20

Cell Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on Johnsville Rd

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