# Building permits at 427 Cornwall St, Baltimore, MD 10 permits on record here. The newest, Nov 8, 2024: To use as (2) dwelling units. Within a quarter mile, the city has issued 23 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Nov 8, 2024 | Other | to use as (2) dwelling units. | Not listed | [USE2024-55568](https://nearbypermits.com/baltimore/permit/USE2024-55568/) | | Aug 12, 2024 | Mechanical (HVAC) | reinstate original permit.(original permit:com2023-59009:install (1) 24000 btu air-con system, heat pump, (1) 18000 btu air-con system, heat pump, (1) # new distribution system (1-2 family), (3) 50 cfm exhaust systems, (1) 60000 btu fuel-burning equip(furnace) as per code.) original permit descripti | Not listed | [COM2024-77373](https://nearbypermits.com/baltimore/permit/COM2024-77373/) | | Jul 14, 2024 | Plumbing | reinstate original permit.(original permit:com2023-62380:install (3) # plumbing fixtures, (3) # plumbing fixtures, (2) # plumbing fixtures, (1) # plumbing fixtures, (2) # plumbing fixtures, (2) # plumbing fixtures, (1) # sanitary connection, new interior, (1) # water service pipe, new interior, (2) | Not listed | [COM2024-73771](https://nearbypermits.com/baltimore/permit/COM2024-73771/) | | Jul 7, 2024 | Alteration or repair | extend original permit.(original permit:com2024-50446:interior alterations to include: category 1 interior demolition: demo kitchen cabinets and replace kitchen cabinets, install 8 interior doors same size and locations, repair/replace approximately 1500 sq ft of drywall, install 600 sq ft of r-49 i | Not listed | [COM2024-71617](https://nearbypermits.com/baltimore/permit/COM2024-71617/) | | Jan 5, 2024 | Alteration or repair | interior alterations to include: category 1 interior demolition: demo kitchen cabinets and replace kitchen cabinets, install 8 interior doors same size and locations, repair/replace approximately 1500 sq ft of drywall, install 600 sq ft of r-49 insulation in attic, install new trim, install new lvp | $40,000 | [COM2024-50446](https://nearbypermits.com/baltimore/permit/COM2024-50446/) | | Dec 23, 2023 | Electrical | install (2) 100 amps existing electrical meters, (30) # branch circuits/feeders, (60) # fixtures/devices, (1) 200 amps electric service up to 600v (#amps) as per code. | $3,000 | [COM2023-90977](https://nearbypermits.com/baltimore/permit/COM2023-90977/) | | Apr 24, 2023 | Alteration or repair | extend original permit.(original permit:com2022-83304:interior alterations to include: category 1 interior demolition: demo kitchen cabinets and replace kitchen cabinets, install 8 interior doors same size and locations, repair/replace approximately 1500 sq ft of drywall, install 600 sq ft of r-49 i | Not listed | [COM2023-62841](https://nearbypermits.com/baltimore/permit/COM2023-62841/) | | Apr 14, 2023 | Plumbing | install (3) # plumbing fixtures, (3) # plumbing fixtures, (2) # plumbing fixtures, (1) # plumbing fixtures, (2) # plumbing fixtures, (2) # plumbing fixtures, (1) # sanitary connection, new interior, (1) # water service pipe, new interior, (2) 40000 btu fuel-burning equip, (2) 25000 btu fuel-burning | $15,000 | [COM2023-62380](https://nearbypermits.com/baltimore/permit/COM2023-62380/) | | Mar 28, 2023 | Mechanical (HVAC) | install (1) 24000 btu air-con system, heat pump, (1) 18000 btu air-con system, heat pump, (1) # new distribution system (1-2 family), (3) 50 cfm exhaust systems, (1) 60000 btu fuel-burning equip(furnace) as per code. | $11,000 | [COM2023-59009](https://nearbypermits.com/baltimore/permit/COM2023-59009/) | | Oct 6, 2022 | Alteration or repair | interior alterations to include: category 1 interior demolition: demo kitchen cabinets and replace kitchen cabinets, install 8 interior doors same size and locations, repair/replace approximately 1500 sq ft of drywall, install 600 sq ft of r-49 insulation in attic, install new trim, install new lvp | $25,000 | [COM2022-83304](https://nearbypermits.com/baltimore/permit/COM2022-83304/) | ## Within ¼ mi since May 1, 2026 23 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 4, 2026 | [406 Cornwall St](https://nearbypermits.com/baltimore/address/406-cornwall-st/) | 220 ft NW | Mechanical (HVAC) | Replace 2.5-ton A/C, and evaporator coil with same. Install disconnects for 2.5-ton A/C. | $8,383 | [BRCM-26-013841](https://nearbypermits.com/baltimore/permit/BRCM-26-013841/) | ### This block (250 to 1,000 ft), 21 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [328 Drew St](https://nearbypermits.com/baltimore/address/328-drew-st/) | 550 ft N | Alteration or repair | paint interior of house, install new vinyl flooring on first floor, install new carpet on second floor, replace kitchen counter top | $2,500 | [BRCM-26-019603](https://nearbypermits.com/baltimore/permit/BRCM-26-019603/) | | Sep 17, 2026 | [457 Anglesea St](https://nearbypermits.com/baltimore/address/457-anglesea-st/) | 590 ft SW | Electrical | 19 Circuits | $150 | [BRCM-26-019053](https://nearbypermits.com/baltimore/permit/BRCM-26-019053/) | | Aug 14, 2026 | [338 Elrino St](https://nearbypermits.com/baltimore/address/338-elrino-st/) | 580 ft NE | Other | 200 ampere service upgrade | $2,000 | [BRCM-26-016708](https://nearbypermits.com/baltimore/permit/BRCM-26-016708/) | | Aug 14, 2026 | [5710 Eastern Ave](https://nearbypermits.com/baltimore/address/5710-eastern-ave/) | 870 ft W | Electrical | Replacing existing 100kw generator set and 3 circuits as per code. - (same wall and same location) | $1,000 | [BCCM-26-003501](https://nearbypermits.com/baltimore/permit/BCCM-26-003501/) | | Aug 4, 2026 | [442 Bonsal St](https://nearbypermits.com/baltimore/address/442-bonsal-st/) | 440 ft W | Mechanical (HVAC) | Replace existing 2.5 ton ac and 70k btu furnace | $10,024 | [BRCM-26-015883](https://nearbypermits.com/baltimore/permit/BRCM-26-015883/) | | Jul 31, 2026 | [6213 Eastern Ave](https://nearbypermits.com/baltimore/address/6213-eastern-ave/) | 760 ft SE | Electrical | Replace 1 old 200 amps electrical panel and 1 100 amps sub-panel as per code. Replace 2 carbon monoxide alarms 1 in 1st floor and 1 in basement area. | $5,000 | [BCCM-26-003350](https://nearbypermits.com/baltimore/permit/BCCM-26-003350/) | | Jul 28, 2026 | [413 Drew St](https://nearbypermits.com/baltimore/address/413-drew-st/) | 280 ft NE | Alteration or repair | Replace exterior door thru the home depot - same size, $500 - william orwig h: | $500 | [BRCM-26-014639](https://nearbypermits.com/baltimore/permit/BRCM-26-014639/) | | Jul 10, 2026 | [351 Elrino St](https://nearbypermits.com/baltimore/address/351-elrino-st/) | 640 ft NE | Plumbing | main sewer line repair (NO ROW WORK) | $10,789 | [BRCM-26-000741](https://nearbypermits.com/baltimore/permit/BRCM-26-000741/) | | Jun 30, 2026 | [457 Anglesea St](https://nearbypermits.com/baltimore/address/457-anglesea-st/) | 590 ft SW | Electrical | 1 kitchen sink 1 garbage disposal 1 washer box 1 electric water heater 2 toilets 2 lavatories 1 bathtub 1 hose Bibb 1 ice maker | $2,500 | [BRCM-26-013633](https://nearbypermits.com/baltimore/permit/BRCM-26-013633/) | | Jun 30, 2026 | [457 Anglesea St](https://nearbypermits.com/baltimore/address/457-anglesea-st/) | 590 ft SW | Mechanical (HVAC) | Heat pump AC 2.5 ton Ductwork 2-bathroom exhaust fan 1 dryer exhaust fan | $2,300 | [BRCM-26-013136](https://nearbypermits.com/baltimore/permit/BRCM-26-013136/) | | Jun 30, 2026 | [457 Anglesea St](https://nearbypermits.com/baltimore/address/457-anglesea-st/) | 590 ft SW | Electrical | 1 Sub panel 125 amps, 28 receptacles, 16 lights, 9 switches, 6 smoke detectors | $950 | [BRCM-26-013135](https://nearbypermits.com/baltimore/permit/BRCM-26-013135/) | | Jun 25, 2026 | [432 Bonsal St](https://nearbypermits.com/baltimore/address/432-bonsal-st/) | 430 ft W | Plumbing | 1 Gas stove 120,000 btu | $1,000 | [BRCM-26-013341](https://nearbypermits.com/baltimore/permit/BRCM-26-013341/) | | Jun 21, 2026 | [348 Elrino St](https://nearbypermits.com/baltimore/address/348-elrino-st/) | 530 ft NE | Other | Flooring and tile work. Cabinets and patch walls. | $20,000 | [BRCM-26-011894](https://nearbypermits.com/baltimore/permit/BRCM-26-011894/) | | Jun 16, 2026 | [305 Elrino St](https://nearbypermits.com/baltimore/address/305-elrino-st/) | 900 ft NE | Other | | $5,000 | [BRCM-26-011980](https://nearbypermits.com/baltimore/permit/BRCM-26-011980/) | | Jun 15, 2026 | [305 Elrino St](https://nearbypermits.com/baltimore/address/305-elrino-st/) | 900 ft NE | Electrical | install 4 circuits, 200 amp service, 9 plumbing fixtures, water and waste reconstruction, new duct work, 90k btu heat pump, 3 ton hvac comdenser | $8,200 | [BRCM-26-012255](https://nearbypermits.com/baltimore/permit/BRCM-26-012255/) | | Jun 5, 2026 | [400 Gusryan St](https://nearbypermits.com/baltimore/address/400-gusryan-st/) | 940 ft E | Alteration or repair | Scope of work: Exterior alterations to include: Install a parking pad in the rear of property. No curb cut is required as the pad will go into the alley. as per code as per plans | $2,000 | [BRCM-26-007653](https://nearbypermits.com/baltimore/permit/BRCM-26-007653/) | | May 28, 2026 | [432 Bonsal St](https://nearbypermits.com/baltimore/address/432-bonsal-st/) | 430 ft W | Electrical | Install 200 amp service, 3 circuits, new duct work, 400 cfm exhaust 6 plumbing fixtures, plumbing ground work, waste and water reconstruction, install. 2 Ton condenser | $4,200 | [BRCM-26-011069](https://nearbypermits.com/baltimore/permit/BRCM-26-011069/) | | May 28, 2026 | [315 Cornwall St](https://nearbypermits.com/baltimore/address/315-cornwall-st/) | 650 ft N | Plumbing | Replace 40-gallon 40,000 Btu gas water heater with the same. | $3,424 | [BRCM-26-011025](https://nearbypermits.com/baltimore/permit/BRCM-26-011025/) | | May 11, 2026 | [432 Bonsal St](https://nearbypermits.com/baltimore/address/432-bonsal-st/) | 430 ft W | Other | | $5,500 | [BRCM-26-009932](https://nearbypermits.com/baltimore/permit/BRCM-26-009932/) | | May 3, 2026 | [437 Folcroft St](https://nearbypermits.com/baltimore/address/437-folcroft-st/) | 810 ft E | Electrical | Upgrade electrical service from 100 amp to 200 amps | $3,000 | [BRCM-26-009303](https://nearbypermits.com/baltimore/permit/BRCM-26-009303/) | | May 3, 2026 | [335 Folcroft St](https://nearbypermits.com/baltimore/address/335-folcroft-st/) | 940 ft NE | Electrical | rewire 2 apartment house to code. install 200 amp electrical service with 2 100 amp meters | $8,000 | [BRCM-26-008485](https://nearbypermits.com/baltimore/permit/BRCM-26-008485/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 1, 2026 | [326 Gusryan St](https://nearbypermits.com/baltimore/address/326-gusryan-st/) | 0.20 mi NE | Alteration or repair | remove/replace 8 windows; no structural changes | $7,880 | [BRCM-26-017929](https://nearbypermits.com/baltimore/permit/BRCM-26-017929/) | ## More on this street Other addresses on Cornwall St with permits, nearest house number first: - [407 Cornwall St](https://nearbypermits.com/baltimore/address/407-cornwall-st/): newest permit Dec 8, 2025 - [406 Cornwall St](https://nearbypermits.com/baltimore/address/406-cornwall-st/): newest permit Jul 4, 2026 - [364 Cornwall St](https://nearbypermits.com/baltimore/address/364-cornwall-st/): newest permit Oct 6, 2025 - [362 Cornwall St](https://nearbypermits.com/baltimore/address/362-cornwall-st/): newest permit Feb 12, 2026 - [356 Cornwall St](https://nearbypermits.com/baltimore/address/356-cornwall-st/): newest permit Oct 21, 2025 - [315 Cornwall St](https://nearbypermits.com/baltimore/address/315-cornwall-st/): newest permit May 28, 2026 --- Source: Baltimore Department of Housing and Community Development permit data (https://www.arcgis.com/home/item.html?id=189e6d1c65df4e13b38c0027cee574f6), City of Baltimore, CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/). Checked 2026-10-06 22:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 10 permits at this address and 23 nearby: https://nearbypermits.com/baltimore/address/427-cornwall-st/