402 Potomac Ave, Baltimore (Rosedale), MD 21237 Property Records

Baltimore County property record for 402 Potomac Ave, Baltimore, MD 21237

Property Summary

Property TypeDistribution Warehouse (Regional)
Details5,428 sqft · built 1938
Lot Size0.114 acres (5,000 sqft)
Owner2 Individual Names on File
Last Sale$135,000 (Aug 2001)
Tax Bill$1,807 (2023)
APN15-1504350850

Property Details

APN / Parcel Number

Primary APN15-1504350850
Alternative APN
  • 1504350850

Interior

Stories1 Story
Building Area5,428 sqft Total Area

Exterior

Year BuiltBuilt 1938
Construction TypeBrick
Fire ResistanceWood or Wood & Steel Frame
Lot Area5,000 sqft (0.114 acres)
Lot Dimensions100 ft deep x 50 ft wide
Loading Dock140 sqft

Utilities, Heating & Cooling

SewerConnected

Location & Zoning

Account Number1504350850
Street Address402 POTOMAC AVE
CityBALTIMORE
StateMD
Zip21237-3111
Property CategoryIndustrial
Property TypeIndustrial > Distribution Warehouse (Regional)
Local Zoning CodeDR5.5
Legal DescriptionLT 936-937 300 E LINDEN AVE CHESACO PARK
Legal SubdivisionCHESACO PARK
Legal Lot Number936,937 937
JurisdictionBALTIMORE MD
Township / Civil Division15
Census Block Group3
Census Block3032
Census Tract450100

Owner

402 Potomac Ave, an industrial property, is owned and occupied by two individuals who bought it in August 2001.

Source: Baltimore County records, as of September 22, 2023

Owner of Record2 Individual Names on File
Mailing Address402 POTOMAC AVE # 404, 404, BALTIMORE, MD 21237-3111
OccupancyOwner Occupied
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
Last SaleAug 9, 2001 · Amount on File
Deed SaleAug 9, 2001 · Amount on File
Deed Document Number215104
Deed Book / Page16142 / 357
Record UpdatedJun 7, 2026

Tax Assessment & Valuation

Source: Baltimore County assessment roll, as of July 1, 2023

Property Jurisdictions

TypeName
StateMaryland
CountyBaltimore County
Unified School DistrictBaltimore County Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2023$1,807.00 Homeowner's exemption$256,600 Land $60,000 Building $196,600$256,600 Land $60,000 Building $196,600

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

Flood

FEMA has no flood map on file for 402 Potomac Ave; there have been 8 flood claims nearby since 1979.

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

FEMA Flood ZoneNot on file
Nearby Flood Policies7 in force
Nearby Flood Claims8 (1979–2011)
Claims Outside the SFHA4 of 8
Most Recent ClaimApr 2011 · tidal / storm surge
Claims by Event
  • Hurricane Isabel, Sep 2003 · 2 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

The area around 402 Potomac Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemCITY OF BALTIMORE
serves 1,600,000 people · EPA ID MD0300002
Water SourceSurface water
Last State InspectionOct 2024
Lead3 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityTotal trihalomethanes
not recorded as resolved · Apr 2026
E. coli
resolved · Sep 2022
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting2
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 163 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Verizon
Fiber
980 / 880
Believe Broadband
Fixed Wireless
500 / 100
T-Mobile
Fixed Wireless
100 / 20

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