Baltimore City · 21205
724 N WOLFE ST
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- Total assessment
- $7,504,867
- Land use
- Exempt Commercial (EC)
- Year built
- 1926
- Last sale
- Feb 12, 1990
Assessment
| Owner | JOHNS HOPKINS HOSPITAL, THE |
|---|---|
| Land use | Exempt Commercial (EC) |
| Total assessment | $7,504,867 (cycle 2026) |
| Last sale | Feb 12, 1990 — $23,000 |
| Year built | 1926 |
| Zoning | H |
| Vacant | — |
Permits
24| Type | Description | Cost | Issued |
|---|---|---|---|
| COM2024 | IN NORTH PLANT - 724 N. WOLFE STREET - SCOPE OF WORK: -------- INTERIOR ALTERATIONS (EQUIPMENT) ----------- THE ADDITION OF ONE PUMP, ONE VFD FOR THE PUMP, AND ASSOCIATED FEEDER. AS PER PLANS AS PER CODE. | $250,000 | Jan 2, 2025 |
| COM2024 | AMEND PERMIT: CHANGE ELECTRICAL CONTRACTOR . (ORIGINAL PERMIT:COM2022-01940:ADDITION OF A TIER 4 DIESEL GENERATOR AND ALL ASSOCIATED AUXILIARY EQUIPMENT, PIPING, CONTROLS, AND ELECTRICAL EQUIPMENT WITHIN THE NORTH ENERGY PLANT AS PER PLANS AS PER CODE.) Original Permit Description:(COM2022-01940) ADDITION OF A TIER 4 DIESEL GENERATOR AND ALL ASSOCIATED AUXILIARY EQUIPMENT, PIPING, CONTROLS, AND ELECTRICAL EQUIPMENT WITHIN THE NORTH ENERGY PLANT AS PER PLANS AS PER CODE. | — | Jun 4, 2024 |
| COM2022 | ADDITION OF A TIER 4 DIESEL GENERATOR AND ALL ASSOCIATED AUXILIARY EQUIPMENT, PIPING, CONTROLS, AND ELECTRICAL EQUIPMENT WITHIN THE NORTH ENERGY PLANT AS PER PLANS AS PER CODE. | $4,745,000 | Feb 16, 2024 |
| COM2023 | AMEND PERMIT: CHANGE ELECTRICAL CONTRACTOR . EXTEND ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2019-01586:FIRE ALARM PERMIT (1) NAC BOOSTER PANEL, (1) MANUAL PULL STATION, (18) SMOKE DETECTORS, (9) HORN/STROBE DEVICES, (32) FA RELAY MODULES, (37) PRESSURE/TAMPER SWITCHES AS PER PLANS AS PER CODE. ) Original Permit Description:(COM2019-01586) FIRE ALARM PERMIT (1) NAC BOOSTER PANEL, (1) MANUAL PULL STATION, (18) SMOKE DETECTORS, (9) HORN/STROBE DEVICES, (32) FA RELAY MODULES, (37) PRESSURE/TAMPER SWITCHES AS PER PLANS AS PER CODE. | — | Apr 5, 2023 |
| COM2021 | INSTALLATION OF TWO NEW CHILLERS, TWO 15 KV STARTERS, ONE MOTOR CONTROL CENTER, EIGHT CHILLED/CONDENSER WATER PUMPS AND ASSOCIATED PIPING AND ELECTRICAL CONTROLS, ONE EXTERIOR WALL OPENING AND ONE INTERIOR WALL OPENING, FOURTEEN CONCRETE EQUIPMENT PADS AS PER PLANS AS PER CODE. | $13,000,000 | Jan 25, 2022 |
| COM2021 | Extend Original Permit.(original permit:COM2020-73952:REPLACE EXISTING UNDERGROUND 8'' STEAM PIPING AND 2'' PUMP CONDENSATE PIPING WITH NEW 8'' STEAM AND 4'' PUMP CONDENSATE PIPING. TIE-IN TO EXISTING STEAM SYSTEMS IN SCHOOL OF NURSING BUILDING AND MRI BUILDING. AS PER CODE.) Original Permit Description:(COM2020-73952) REPLACE EXISTING UNDERGROUND 8'' STEAM PIPING AND 2'' PUMP CONDENSATE PIPING WITH NEW 8'' STEAM AND 4'' PUMP CONDENSATE PIPING. TIE-IN TO EXISTING STEAM SYSTEMS IN SCHOOL OF NURSING BUILDING AND MRI BUILDING. AS PER CODE. | — | Mar 16, 2021 |
| COM2021 | Extend Original Permit.(original permit:COM2019-03854:INSTALL A TOTAL OF 462 SPRINKLERS FROM EXISTING ZONE CONTROL ASSEMBLY. BREAKDOWN: 131 SPRINKLERS IN BASEMENT 182 SPRINKLERS ON FIRST FLOOR 149 SPRINKLERS ON SECOND FLOOR ALL WORK SHALL BE IN ACCORDANCE WITH NFPA 13, AND LOCAL CODES AS PER PLANS AS PER CODE. ) Original Permit Description:(COM2019-03854) INSTALL A TOTAL OF 462 SPRINKLERS FROM EXISTING ZONE CONTROL ASSEMBLY. BREAKDOWN: 131 SPRINKLERS IN BASEMENT 182 SPRINKLERS ON FIRST FLOOR 149 SPRINKLERS ON SECOND FLOOR ALL WORK SHALL BE IN ACCORDANCE WITH NFPA 13, AND LOCAL CODES AS PER PLANS AS PER CODE. | — | Feb 8, 2021 |
| COM2021 | REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2019-02660:INSTALL 111 SPRINKLERS IN EXISTING BOILER ROOM, SYSTEM TO BE A WET PIPE TYPE, CONNECTED TO EXISTING ZONE ASSEMBLY. ALL WORK PER NFPA 13, AS PER PLANS AS PER CODE.) Original Permit Description:(COM2019-02660) INSTALL 111 SPRINKLERS IN EXISTING BOILER ROOM, SYSTEM TO BE A WET PIPE TYPE, CONNECTED TO EXISTING ZONE ASSEMBLY. ALL WORK PER NFPA 13, AS PER PLANS AS PER CODE. | — | Feb 8, 2021 |
| COM2021 | REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2019-03188:INSTALL 150 NEW SPRINKLERS FROM EXISTING ZONE CONTROL ASSEMBLY. ALL WORK TO BE IN ACCORDANCE WITH NFPA 13 AS PER PLANS AS PER CODE.) Original Permit Description:(COM2019-03188) INSTALL 150 NEW SPRINKLERS FROM EXISTING ZONE CONTROL ASSEMBLY. ALL WORK TO BE IN ACCORDANCE WITH NFPA 13 AS PER PLANS AS PER CODE. | — | Feb 8, 2021 |
| COM2021 | REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2019-03010:INSTALL 65 NEW SPRINKLERS FROM EXISTING STANDPIPE, SYSTEM IS A WET PIPE SPRINKLER SYSTEM WORK SHALL BE IN ACCORDANCE WITH NFPA 13, AND LOCAL CODES AS PER PLANS AS PER CODE.) Original Permit Description:(COM2019-03010) INSTALL 65 NEW SPRINKLERS FROM EXISTING STANDPIPE, SYSTEM IS A WET PIPE SPRINKLER SYSTEM WORK SHALL BE IN ACCORDANCE WITH NFPA 13, AND LOCAL CODES AS PER PLANS AS PER CODE. | — | Feb 8, 2021 |
| COM2020 | SCOPE OF WORK:--EXTERIOR ALTERATIONS--STRUCTURAL MODIFICATION REQUIRED TO REINFORCE BUILDING ELEMENTS TO SUPPORT NEW CHILLERS, STEEL FRAMEWORK ON ROOF TO SUPPORT NEW COOLING TOWERS. REPLACEMENT OF EXISTING CHILLED WATER SYSTEM EQUIPMENT AND CONTROLS IN NORTH ENERGY PLANT, INCLUDES REPLACEMENT OF COOLING TOWERS, TWO CHILLERS, PUMPS, MOTOR CONTROL CENTER, ELECTRICAL SUBSTATION, --AS PER PLANS --ALL WORK TO BE DONE TO CODE. ****SEPARATE PERMITS ARE REQUIRED FOR SPRINKLER, FIRE ALARM, AND DETECTION SYSTEMS. *** | $30,000,000 | Oct 7, 2020 |
| COM2020 | REPLACE EXISTING UNDERGROUND 8'' STEAM PIPING AND 2'' PUMP CONDENSATE PIPING WITH NEW 8'' STEAM AND 4'' PUMP CONDENSATE PIPING. TIE-IN TO EXISTING STEAM SYSTEMS IN SCHOOL OF NURSING BUILDING AND MRI BUILDING. AS PER CODE. | $1,126,151 | Aug 17, 2020 |
| COM2019 | INSTALL A TOTAL OF 462 SPRINKLERS FROM EXISTING ZONE CONTROL ASSEMBLY. BREAKDOWN: 131 SPRINKLERS IN BASEMENT 182 SPRINKLERS ON FIRST FLOOR 149 SPRINKLERS ON SECOND FLOOR ALL WORK SHALL BE IN ACCORDANCE WITH NFPA 13, AND LOCAL CODES AS PER PLANS AS PER CODE. | $138,600 | Jan 13, 2020 |
| COM2019 | amend permit: add electrical contractor . (original permit:com2019-02852:replacement of existing chilled water system equipment and controls in north energy plant, includes replacement of cooling towers, one chiller, pumps, motor control center, structural modifications required to reinforce building elements to support new chiller, steel framework on roof for new cooling towers as per plans as per code. sprinkler and fire alarm to be submitted separately.) original permit description:(com2019-02852) replacement of existing chilled water system equipment and controls in north energy plant, includes replacement of cooling towers, one chiller, pumps, motor control center, structural modifications required to reinforce building elements to support new chiller, steel framework on roof for new cooling towers as per plans as per code. sprinkler and fire alarm to be submitted separately. | — | Dec 4, 2019 |
| COM2019 | install 150 new sprinklers from existing zone control assembly. all work to be in accordance with nfpa 13 as per plans as per code. | $45,000 | Nov 27, 2019 |
| COM2019 | install 65 new sprinklers from existing standpipe, system is a wet pipe sprinkler system work shall be in accordance with nfpa 13, and local codes as per plans as per code. | $19,500 | Nov 27, 2019 |
| COM2019 | replacement of existing chilled water system equipment and controls in north energy plant, includes replacement of cooling towers, one chiller, pumps, motor control center, structural modifications required to reinforce building elements to support new chiller, steel framework on roof for new cooling towers as per plans as per code. sprinkler and fire alarm to be submitted separately. | $14,000,000 | Nov 27, 2019 |
| COM2019 | install 111 sprinklers in existing boiler room, system to be a wet pipe type, connected to existing zone assembly. all work per nfpa 13, as per plans as per code. | $33,000 | Nov 27, 2019 |
| COM2019 | amend to add electrical contractor:(original permit:com2018-03883:replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm.) original permit description:(com2018-03883) replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm. | — | Sep 10, 2019 |
| COM2019 | install (1) # annual testing inspection rebuild 1" backflow preventer, test and certify per code. | $600 | Jul 23, 2019 |
| COM2019 | fire alarm permit (1) nac booster panel, (1) manual pull station, (18) smoke detectors, (9) horn/strobe devices, (32) fa relay modules, (37) pressure/tamper switches as per plans as per code. | $35,000 | Jun 27, 2019 |
| COM2019 | amend permit: add hvac contractor . (original permit:com2018-03883:replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm.) original permit description:(com2018-03883) replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm. | — | Jan 9, 2019 |
| COM2019 | amend to add plumbing contractor:(original permit:com2018-03883:replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm.) original permit description:(com2018-03883) replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm. | — | Jan 9, 2019 |
| COM2018 | replacement of existing chilled water system equipment, piping, electrical and controls in north power plant, includes replacement of cooling towers, chillers, pumps, electrical distribution substations and motor control centers (structural modifications required to reinforce building elements) new structural steel framework on roof for new cooling tower support, demolition of existing cooling towers on roof, hvac modifications and additions to accommodate equipment rooms, as per plans as per code. separate permit required for sprinkler system and fire alarm. | $100,000,000 | Jan 2, 2019 |
Violations
0No violations on record.
Inspections
0No inspections on record.
Nearby recent activity
- permit: BCCMJul 2, 2026 · 98 m · 1800 E MADISON ST
- permit: BCCMJun 11, 2026 · 125 m · 855 N WOLFE ST
- permit: BCCMJun 11, 2026 · 143 m · 1809 ASHLAND AVE
- permit: BCCMApr 7, 2026 · 49 m · 1836 E MONUMENT ST
- permit: BCCMApr 3, 2026 · 143 m · 1809 ASHLAND AVE
- permit: BCCMMar 17, 2026 · 143 m · 1809 ASHLAND AVE
- permit: BCCMOct 20, 2025 · 120 m · 733 N BROADWAY
- permit: BCCMOct 15, 2025 · 120 m · 733 N BROADWAY
- permit: BUSESep 10, 2025 · 103 m · 800 N WOLFE ST
- permit: COM2024Sep 5, 2025 · 49 m · 1836 E MONUMENT 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.