Baltimore City · 21207
4607 HADDON AVE
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- Total assessment
- $276,933
- Land use
- Residential (R)
- Year built
- 1948
- Last sale
- Mar 20, 2026
Assessment
| Owner | CALVIT, STEPHEN (TR) |
|---|---|
| Land use | Residential (R) |
| Total assessment | $276,933 (cycle 2026) |
| Last sale | Mar 20, 2026 |
| Year built | 1948 |
| Zoning | R-1 |
| Vacant | — |
Permits
11| Type | Description | Cost | Issued |
|---|---|---|---|
| USE2023 | USE AS A SINGLE-FAMILY DWELLING. | — | Sep 7, 2023 |
| COM2023 | REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2022-76205:INSTALL (1) 42000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) 42000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY) AS PER CODE.) Original Permit Description:(COM2022-76205) INSTALL (1) 42000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) 42000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY) AS PER CODE. | — | Aug 8, 2023 |
| COM2023 | Extend Original Permit.(original permit:COM2022-72733:SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): REMOVAL OF NON-STRUCTURAL WALLS, DRYWALL AND REMOVAL OF ALL ASSOCIATED DEBRIS, FRAMING TO CREATE NEW PARTITION WALLS, INSTALL NEW DRYWALL, INSTALL NEW INTERIOR DOORS, INSTALL NEW FINISHES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS, *SEPARATE PERMIT WILL BE PULLED FOR ANY MEP WORK. (*NOTES: 1. ALL HABITABLE AREAS WILL MAINTAIN MINIMUM CEILING HEIGHT OF 7', 2. ALL HALLWAYS WILL MAINTAIN MINIMUM WIDTH OF 36'', 3. ALL BEDROOMS WILL MAINTAIN 70SQ.FT FOR ONE OCCUPANT OR 50SQ/FT PER OCCUPANT, 4. ALL BATHROOMS WILL MAINTAIN ENOUGH CLEAR FLOOR SPACE FOR CLEARANCE OF PLUMBING FIXTURES)) Original Permit Description:(COM2022-72733) SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): REMOVAL OF NON-STRUCTURAL WALLS, DRYWALL AND REMOVAL OF ALL ASSOCIATED DEBRIS, FRAMING TO CREATE NEW PARTITION WALLS, INSTALL NEW DRYWALL, INSTALL NEW INTERIOR DOORS, INSTALL NEW FINISHES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS, *SEPARATE PERMIT WILL BE PULLED FOR ANY MEP WORK. (*NOTES: 1. ALL HABITABLE AREAS WILL MAINTAIN MINIMUM CEILING HEIGHT OF 7', 2. ALL HALLWAYS WILL MAINTAIN MINIMUM WIDTH OF 36'', 3. ALL BEDROOMS WILL MAINTAIN 70SQ.FT FOR ONE OCCUPANT OR 50SQ/FT PER OCCUPANT, 4. ALL BATHROOMS WILL MAINTAIN ENOUGH CLEAR FLOOR SPACE FOR CLEARANCE OF PLUMBING FIXTURES) | — | Aug 3, 2023 |
| COM2023 | AMEND PERMIT: CHANGE PLUMBER AND GAS CONTRACTOR . REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2022-75751:INSTALL (11) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (1) 90000 BTU FUEL-BURNING EQUIP AS PER CODE.) Original Permit Description:(COM2022-75751) INSTALL (11) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (1) 90000 BTU FUEL-BURNING EQUIP AS PER CODE. | — | Jul 26, 2023 |
| COM2023 | SCOPE OF WORK: EXTERIOR ALTERATIONS TO INCLUDE: FENCE CONSTRUCTION FINISH HEIGHT OF 6', 337 LINEAR FEET, 4X4 POSTS, 8 FEET APART ON MINIMUM OF 12'' DEEP FOOTERS, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS (*NOTES: 1. ALL FENCING AND FOOTER WORK WILL BE DONE WITHIN PRIVATE PROPERTY LINES) | $9,615 | Jul 8, 2023 |
| COM2023 | EXTEND ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2022-72733:SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): REMOVAL OF NON-STRUCTURAL WALLS, DRYWALL AND REMOVAL OF ALL ASSOCIATED DEBRIS, FRAMING TO CREATE NEW PARTITION WALLS, INSTALL NEW DRYWALL, INSTALL NEW INTERIOR DOORS, INSTALL NEW FINISHES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS, *SEPARATE PERMIT WILL BE PULLED FOR ANY MEP WORK. (*NOTES: 1. ALL HABITABLE AREAS WILL MAINTAIN MINIMUM CEILING HEIGHT OF 7', 2. ALL HALLWAYS WILL MAINTAIN MINIMUM WIDTH OF 36'', 3. ALL BEDROOMS WILL MAINTAIN 70SQ.FT FOR ONE OCCUPANT OR 50SQ/FT PER OCCUPANT, 4. ALL BATHROOMS WILL MAINTAIN ENOUGH CLEAR FLOOR SPACE FOR CLEARANCE OF PLUMBING FIXTURES)) Original Permit Description:(COM2022-72733) SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): REMOVAL OF NON-STRUCTURAL WALLS, DRYWALL AND REMOVAL OF ALL ASSOCIATED DEBRIS, FRAMING TO CREATE NEW PARTITION WALLS, INSTALL NEW DRYWALL, INSTALL NEW INTERIOR DOORS, INSTALL NEW FINISHES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS, *SEPARATE PERMIT WILL BE PULLED FOR ANY MEP WORK. (*NOTES: 1. ALL HABITABLE AREAS WILL MAINTAIN MINIMUM CEILING HEIGHT OF 7', 2. ALL HALLWAYS WILL MAINTAIN MINIMUM WIDTH OF 36'', 3. ALL BEDROOMS WILL MAINTAIN 70SQ.FT FOR ONE OCCUPANT OR 50SQ/FT PER OCCUPANT, 4. ALL BATHROOMS WILL MAINTAIN ENOUGH CLEAR FLOOR SPACE FOR CLEARANCE OF PLUMBING FIXTURES) | — | Jan 27, 2023 |
| COM2022 | INSTALL (1) 42000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) 42000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY) AS PER CODE. | $6,800 | Aug 5, 2022 |
| COM2022 | install (25) # branch circuits/feeders , (1) 200 amps existing electrical meters as per code. | $6,500 | Aug 3, 2022 |
| COM2022 | INSTALL (11) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (1) 90000 BTU FUEL-BURNING EQUIP AS PER CODE. | $6,000 | Jul 29, 2022 |
| COM2022 | SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): REMOVAL OF NON-STRUCTURAL WALLS, DRYWALL AND REMOVAL OF ALL ASSOCIATED DEBRIS, FRAMING TO CREATE NEW PARTITION WALLS, INSTALL NEW DRYWALL, INSTALL NEW INTERIOR DOORS, INSTALL NEW FINISHES, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS, *SEPARATE PERMIT WILL BE PULLED FOR ANY MEP WORK. (*NOTES: 1. ALL HABITABLE AREAS WILL MAINTAIN MINIMUM CEILING HEIGHT OF 7', 2. ALL HALLWAYS WILL MAINTAIN MINIMUM WIDTH OF 36'', 3. ALL BEDROOMS WILL MAINTAIN 70SQ.FT FOR ONE OCCUPANT OR 50SQ/FT PER OCCUPANT, 4. ALL BATHROOMS WILL MAINTAIN ENOUGH CLEAR FLOOR SPACE FOR CLEARANCE OF PLUMBING FIXTURES) | $90,000 | Jul 20, 2022 |
| COM2022 | SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): TAKING DOWN DRYWALL AND TILE FLOORS AND REMOVAL OF ALL ASSOCIATED DEBRIS, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE, *THIS PERMIT IS FOR INTERIOR DEMOLITION ONLY, SEPARATE PERMIT WILL BE PULLED FOR ANY INTERIOR RENOVATIONS/TENANT FITOUT | $2,000 | Mar 28, 2022 |
Violations
0No violations on record.
Inspections
0No inspections on record.
Nearby recent activity
- violation: HCD-CCE Building Permit ComplaintJun 18, 2026 · 90 m · 3704 HILLSDALE RD
- violation: HCD-Sanitation PropertyJun 18, 2026 · 90 m · 3704 HILLSDALE RD
- violation: HCD-Zoning InvestigationJun 12, 2026 · 148 m · 3712 GWYNN OAK AVE
- permit: BRCMMay 11, 2026 · 95 m · 3702 GWYNN OAK AVE
- violation: PM 305.2.2May 7, 2026 · 87 m · 3700 GWYNN OAK AVE
- violation: PM 305.2.2May 7, 2026 · 111 m · 3610 GWYNN OAK AVE
- violation: PM 305.7May 7, 2026 · 126 m · 3608 GWYNN OAK AVE
- violation: HCD-Sanitation PropertyMay 6, 2026 · 70 m · 3620 GWYNN OAK AVE
- violation: HCD-Sanitation PropertyMay 6, 2026 · 71 m · 3618 GWYNN OAK AVE
- violation: HCD-Sanitation PropertyMay 6, 2026 · 78 m · 3616 GWYNN OAK AVE
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: 2026-07-11; sdat-properties: 2026-07-12;
Official sources: Maryland SDAT, Baltimore City permits.