643 Union St, Frederick, MD 21701 Property Records

Frederick County property record for 643 Union St, Frederick, MD 21701 · Last verified August 2026

Property Highlights

Property TypeAgriculture / Farming > General Agricultural/Rural
Bathrooms2.5 Baths
Architecture StyleTownhouse
Year BuiltBuilt 2025
Square Footage2,660 sqft Gross Area
Lot Size2,340 sqft (0.054 acres)
GarageAttached, 260 sqft
Tax Bill$2,281.00 (2025)

Property Details

APN / Parcel Number

Primary APN02-607357
Alternative APN
  • 607357

Interior

Full Baths2.5 Baths
Partial Baths1 Partial Baths
Building Area2,660 sqft Gross Area
1st Floor800 sqft 1st Floor
Stories3 Stories

Exterior

Year BuiltBuilt 2025
Effective Year BuiltEffective 2025
Architectural StyleTownhouse Style
Construction TypeFrame Construction
Roof MaterialComposition Shingle Roof
Lot Area2,340 sqft (0.054 acres)
Garage TypeAttached Garage
Garage Area260 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemHVAC Heating
SewageMunicipal Sewage

Location & Zoning

Account Number607357
Street Address643 UNION ST
CityFREDERICK
StateMD
Zip21701-3687
Property UsageAgriculture or Farming Property Usage
TypeAgriculture / Farming > General Agricultural/Rural
Legal DescriptionLOT 40 2,340 SQ FT RENN QUARTER PHASE 3
JurisdictionFREDERICK MD
Minor Civil Division2, FREDERICK
Census Blockgroup2
Census Block2027
Census Tract772200

Owner

Source: Frederick County records · APN 02-607357

Assessment roll updated August 7, 2026 · Last verified August 2026

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

Owner of RecordCompany Name on File
Mailing Address4800 HAMPDEN LN, 800, BETHESDA, MD 20814-2956
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record RefreshedSep 20, 2026

Tax Assessment & Valuation

Source: Frederick County records · Assessment roll updated August 7, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateMaryland
CountyFrederick County
MunicipalityFrederick City
Unified School DistrictFrederick County Public Schools (PK - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2026$396,367$407,100 Land $130,000 Building $277,100
2025$2,281.00

Flood & Wildfire

643 Union St is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · Frederick County (24021C), updated November 6, 2024

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Values are read at the parcel center point; lenders make the official flood determination.

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release

Individually ListedOld National Pike Milestones
listed 1975 · 69 contributing resources · NRIS 75002107

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Nearby Properties on Union St

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