Baltimore County · 21237
309 PATAPSCO AVE
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- Total assessment
- $542,900
- Land use
- Residential (R)
Assessment
Additional detail for this property — owner, sale history, and structure information — isn't available yet.
| Land use | Residential (R) |
|---|---|
| Total assessment | $542,900 (cycle 2026) |
Permits
5| Type | Status | Description | Issued |
|---|---|---|---|
| Comm. Permit - Sprinkler * | ISSUE | INSTALL A NEW SPRINKLER SYSTEM IN BASEMENT ONLY | EXISTING FIRST FLOOR AND SECOND FLOOR WITHOUT | ANY ALTERATION OR MODIFICATION. LARGEST PIPE | SIZE 1". 21 TOTAL HEADS. PUBLIC WATER | Jan 20, 2016 |
| Res. Permit - Alteration/Addition * | ISSUE | CONSTRUCT OPEN WOOD DECK W/STEPS TO GRADE ON | REAR (WATERSIDE) OF SFD. 24'X12'=288SF | CONST PLAN WAIVED-YAP. EXISTING HOME AND | PROPOSED DECK (BOTH) IS OUT OF FLOOD PLAIN AS | PER DAD DAVE-YAP. | Jul 22, 2015 |
| Res. Permit - Sprinkler * | ISSUE | INSTALL NFPA 13D FIRE PROTECTION SPIRNKLER | SYSTEM. SYSTEM TO HAVE 21 HEADS, LARGEST PIPE | SIZE 1-1/2", 3/4" WATER METER. REFER TO B849532 | Oct 17, 2014 |
| Res. Permit - Alteration/Addition * | ISSUE | CBCA. CONSTRUCT COVERED PORCH 13'9"X4=55SF | USING PRE-ENGINEERED ROOF TRUSSES ATTACHED TO | FRONT OF STATE APPROVED INDUSTRIALIZED DWELLING | CONSTRUCTED UNDER B849532. | Aug 11, 2014 |
| Res. Permit - New Dwelling * | CLOSED | SFD - NOT PATTERN BOOK : CBCA. CONSTRUCT FOUNDATION & ERECT STATE | APPROVED INDUSTRIALIZED SFD 2-STY W/UNFINISHED | BSMT, 1-CAR GARAGE, 3 BDRM & AREAWAY PER PLANS | 27'7"X40X35'3-3/4"=2923SF. SEE B849537 FOR | CONSTRUCTED ON-SITE WOOD FRAME COVERED FRONT | PORCH. EXISTING SFD RAZED UNDER B811156. | Aug 11, 2014 |
Records marked with * are matched by address, not a direct account link. Data is informational only.
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.