Baltimore County · 21093

509 COLLEGE AVE

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Total assessment
$340,800
Land use
Residential (R)

Assessment

Additional detail for this property — owner, sale history, and structure information — isn't available yet.

Land useResidential (R)
Total assessment$340,800 (cycle 2026)

Permits

1
TypeStatusDescriptionCostIssued
Res. Permit - Alteration/AdditionOPENConstruct addition on side of SFD. Basement level to be 1 bedroom, 1 full bath, and sitting area (17.3' X 36' = 576sf) Irregular shape. Second level to be relocated kitchen and sitting room (17.3' X 36' = 576sf) Irregular shape. Construct exterior stairs to basement level of addition (11' X 4.6' = 50sf). Interior alts to reconfigure partition walls to convert existing kitchen into pantry and laundry room and relocate stairs to the basement into the new addition (15' X 10' = 150sf). Overal$45,000Sep 10, 2024

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Data freshness: city-311: 2026-07-12; city-ecb-citations: 2026-07-12; city-housing-inspections: 2026-07-12; city-permits: 2026-07-12; city-real-property: 2026-07-12; city-vbn: 2026-07-12; county-permits: 2026-07-12; sdat-properties: 2026-07-12;

Official sources: Maryland SDAT, Baltimore City permits.