Baltimore City · 21230
403 WARREN AVE
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- Total assessment
- $759,300
- Land use
- Residential (R)
- Year built
- 1864
- Last sale
- Nov 6, 2025
Assessment
| Owner | DELLA-DAVIS, MARY (TR) |
|---|---|
| Land use | Residential (R) |
| Total assessment | $759,300 (cycle 2026) |
| Last sale | Nov 6, 2025 |
| Year built | 1864 |
| Zoning | R-7 |
| Vacant | — |
Permits
3| Type | Description | Cost | Issued |
|---|---|---|---|
| COM2020 | FEDERAL HILL HISTORIC DISTRICT - INSTALL ONE RESIDENTIAL HVAC CONDENSER ON UPPER ROOF; WILL NOT BE VISIBLE FROM STREET LEVEL. INSTALL ONE RESIDENTIAL CONDENSER AND ONE MINI-SPLIT CONDENSER ON ROOF OF GARAGE IN REAR OF BUILDING ON HAMBURG STREET; REFRIGERANT LINES WILL BE RUN ON EXTERIOR OF BUILDING; LINE COVERS MATCH GARAGE WALL COLOR; WILL NOT BE VISIBLE FROM STREET. ALL WORK TO BE COMPLETED AS PER INFORMATION/PLANS/SPECS IN CHAP FILES.INSTALL (1) 24000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) 36000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) 20000 BTU AIR-CON SYSTEM, HEAT PUMP AS PER CODE. | $45,000 | Mar 10, 2020 |
| COM2020 | SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: UPGRADE SERVICE FROM 100 AMP TO 200 AMP SERVICE, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE. | $1,000 | Feb 14, 2020 |
| COM2020 | AS PER CHAP:AT REAR EXISTING ROOFTOP DECK: REMOVE EXISTING DECKING BOARDS AND REPLACE WITH TREX TRANSCEND COMPOSITE DECKING BOARDS; REPLACE DETERIORATED JOISTS AS NEEDED; REMOVE EXISTING RAILINGS AND REINSTALL AFTER INSTALLING NEW DECK BOARDS; POSTS AND BEAMS TO REMAIN; EXISTING TRAPDOOR FOR DECK ACCESS TO REMAIN; NO CHANGE IN 40’ X 17’ DECK DIMENSIONS. ALL WORK TO BE COMPLETED AS PER INFORMATION/PLANS/SPECS IN CHAP FILES. | $31,000 | Feb 11, 2020 |
Violations
0No violations on record.
Inspections
0No inspections on record.
Nearby recent activity
- permit: BRCMJul 9, 2026 · 130 m · 418 E CROSS ST
- violation: HCD-Sanitation PropertyJul 8, 2026 · 68 m · 444 GRINDALL ST
- violation: PM 305.2.2Jun 30, 2026 · 67 m · 444 GRINDALL ST
- violation: HCD-Sanitation PropertyJun 25, 2026 · 68 m · 444 GRINDALL ST
- violation: HCD-Sanitation PropertyJun 25, 2026 · 69 m · 442 GRINDALL ST
- permit: BRCMJun 24, 2026 · 79 m · 327 WARREN AVE
- violation: SW-Dirty AlleyJun 4, 2026 · 114 m · 405 GRINDALL ST
- violation: HCD-Illegal DumpingMay 28, 2026 · 106 m
- violation: SW-Dirty AlleyMay 13, 2026 · 116 m · 407 GRINDALL ST
- violation: HCD-Sanitation PropertyMay 5, 2026 · 130 m · 444 E CROSS ST
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.