Baltimore County · 21030
20 JEFFERSON AVE
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- Total assessment
- $642,433
- 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 | $642,433 (cycle 2026) |
Permits
4| Type | Status | Description | Cost | Issued |
|---|---|---|---|---|
| Res. Permit - Alteration/Addition | OPEN | Construct addition 28'x14'=392sf on rear of SFD to be a 14'x14' screened-in porch and a 14'x14' open deck with steps to grade. | $44,000 | Sep 2, 2025 |
| Res. Permit - New Dwelling | ISSUE | PP#15-017-19, THE SEVERN, ELEVATION 3. CONSTRUCT 2STY SFD W/FINISHED AREAWAY BASEMENT TO BE RECREATION ROOM & BATHROOM. 2 CAR F/L GARAGE, 2' REAR EXTENSION, FIREPLACE (OUTSIDE PROJECTION NOT TO EXCEED 4'X10'). 4 BEDROOMS. OPTIONS 1,3,5,8. 46'X38'X40'=4383SF. SPRINKLERS REQ'D. NOT PATTERN BOOK. BPR APPROVED CONSTRUCTION DOCUMENTS TO BE KEPT SITE FOR INSPECTOR. EROSION AND SEDIMENT CONTROL INSPECTION MUST BE SCHEDULED AND PASSED PRIOR TO ANY BUILDING ACTIVITY. | $275,000 | Jun 17, 2024 |
| Res. Permit - Sprinkler | ISSUE | Install new NFPA 13D system with 43 sprinkler heads. Largest pipe size 1", meter size 1", related permit R23-08638 | $3,000 | Feb 14, 2024 |
| Res. Permit - Grading | ISSUE | GRADE 19615 FOR FUTURE SFD. PERMIT | EXPIRES 2 YEARS FROM DATE OF ISSUE.ALSO USING | TAX ID#S 0816003743,0816003744,0816003745 | — | May 24, 2021 |
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.