Baltimore City · 21218

3730 GREENMOUNT AVE

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Total assessment: $330,733
Land use: Residential (R)
Year built: 1915
Last sale: Apr 7, 2023

Assessment

Owner	TREWIN, BRITTANY
Land use	Residential (R)
Total assessment	$330,733 (cycle 2026)
Last sale	Apr 7, 2023 — $402,000
Year built	1915
Zoning	R-5
Vacant	—

Permits

Type	Description	Cost	Issued
USE2022	USE AS A SINGLE-FAMILY DWELLING.	—	Jan 27, 2023
COM2023	Extend Original Permit.(original permit:COM2022-68909:REPLACEMENT IN KIND OF EXISTING FRONT PORCH RAILING AND BALUSTERS WITH NEW WOOD RAILING AND BALUSTERS. REPLACEMENT IN KIND OF EXISTING METAL FRONT PORCH COLUMNS WITH WOODEN CYLINDRICAL COLUMNS. EXTERIOR FRAMING OF NON LOAD BEARING BACK BALCONY RAILING. BALCONY IS PREEXISTING AND STRUCTURE IS NOT BEING ALTERED IN ANY WAY. THE HANDRAILS AND BALUSTERS WILL BE REPLACED WITH NEW VINYL MATERIAL. ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE) Original Permit Description:(COM2022-68909) REPLACEMENT IN KIND OF EXISTING FRONT PORCH RAILING AND BALUSTERS WITH NEW WOOD RAILING AND BALUSTERS. REPLACEMENT IN KIND OF EXISTING METAL FRONT PORCH COLUMNS WITH WOODEN CYLINDRICAL COLUMNS. EXTERIOR FRAMING OF NON LOAD BEARING BACK BALCONY RAILING. BALCONY IS PREEXISTING AND STRUCTURE IS NOT BEING ALTERED IN ANY WAY. THE HANDRAILS AND BALUSTERS WILL BE REPLACED WITH NEW VINYL MATERIAL. ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE	—	Jan 6, 2023
COM2022	Extend Original Permit.(original permit:COM2021-87013:INTERIOR ALTERATIONS TO INCLUDE: INTERIOR INSTALL NEW FLOORING, TRIM, CABINETS, DOORS AND INSULATION (IF INSTALLED IN THE WALLS-R20/IF INSTALLED IN THE CEILINGS-R49) AS NEEDED PER CODE. NEW HANDRAILS TO BE INSTALLED AT ALL STAIRCASES INTERIOR AND EXTERIOR. NEW DRYWALL TO BE INSTALLED THROUGHOUT AND TILE AT 3 BATHROOMS, AND KITCHENETTE IN THE BASEMENT. ALL TRADES TO PULL THEIR OWN PERMIT. FOR ELECTRICAL, PLUMBING AND HVAC. ALL WORK WILL BE DONE AS PER BALTIMORE CITY CODE.) Original Permit Description:(COM2021-87013) INTERIOR ALTERATIONS TO INCLUDE: INTERIOR INSTALL NEW FLOORING, TRIM, CABINETS, DOORS AND INSULATION (IF INSTALLED IN THE WALLS-R20/IF INSTALLED IN THE CEILINGS-R49) AS NEEDED PER CODE. NEW HANDRAILS TO BE INSTALLED AT ALL STAIRCASES INTERIOR AND EXTERIOR. NEW DRYWALL TO BE INSTALLED THROUGHOUT AND TILE AT 3 BATHROOMS, AND KITCHENETTE IN THE BASEMENT. ALL TRADES TO PULL THEIR OWN PERMIT. FOR ELECTRICAL, PLUMBING AND HVAC. ALL WORK WILL BE DONE AS PER BALTIMORE CITY CODE.	—	Dec 30, 2022
COM2022	REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2022-53023:INSTALL (14) # PLUMBING FIXTURES, (1) # WATER SERVICE PIPE ( 1-2 FAM. RES.), (1) # SANITARY CONNECTION, NEW INTERIOR, (2) BTU GAS PIPEING, (1) # GAS TEST, (1) 50000 BTU FUEL-BURNING EQUIP, (1) 75000 BTU FUEL-BURNING EQUIP AS PER CODE.) Original Permit Description:(COM2022-53023) INSTALL (14) # PLUMBING FIXTURES, (1) # WATER SERVICE PIPE ( 1-2 FAM. RES.), (1) # SANITARY CONNECTION, NEW INTERIOR, (2) BTU GAS PIPEING, (1) # GAS TEST, (1) 50000 BTU FUEL-BURNING EQUIP, (1) 75000 BTU FUEL-BURNING EQUIP AS PER CODE.	—	Dec 15, 2022
COM2022	REINSTATE ORIGINAL PERMIT.(ORIGINAL PERMIT:COM2022-51160:SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: ADD 25 CIRCUITS, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE) Original Permit Description:(COM2022-51160) SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: ADD 25 CIRCUITS, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE	—	Nov 9, 2022
COM2022	REPLACEMENT IN KIND OF EXISTING FRONT PORCH RAILING AND BALUSTERS WITH NEW WOOD RAILING AND BALUSTERS. REPLACEMENT IN KIND OF EXISTING METAL FRONT PORCH COLUMNS WITH WOODEN CYLINDRICAL COLUMNS. EXTERIOR FRAMING OF NON LOAD BEARING BACK BALCONY RAILING. BALCONY IS PREEXISTING AND STRUCTURE IS NOT BEING ALTERED IN ANY WAY. THE HANDRAILS AND BALUSTERS WILL BE REPLACED WITH NEW VINYL MATERIAL. ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE	$1,000	Jun 2, 2022
COM2022	Extend Original Permit.(original permit:COM2021-87013:INTERIOR ALTERATIONS TO INCLUDE: INTERIOR INSTALL NEW FLOORING, TRIM, CABINETS, DOORS AND INSULATION (IF INSTALLED IN THE WALLS-R20/IF INSTALLED IN THE CEILINGS-R49) AS NEEDED PER CODE. NEW HANDRAILS TO BE INSTALLED AT ALL STAIRCASES INTERIOR AND EXTERIOR. NEW DRYWALL TO BE INSTALLED THROUGHOUT AND TILE AT 3 BATHROOMS, AND KITCHENETTE IN THE BASEMENT. ALL TRADES TO PULL THEIR OWN PERMIT. FOR ELECTRICAL, PLUMBING AND HVAC. ALL WORK WILL BE DONE AS PER BALTIMORE CITY CODE.) Original Permit Description:(COM2021-87013) INTERIOR ALTERATIONS TO INCLUDE: INTERIOR INSTALL NEW FLOORING, TRIM, CABINETS, DOORS AND INSULATION (IF INSTALLED IN THE WALLS-R20/IF INSTALLED IN THE CEILINGS-R49) AS NEEDED PER CODE. NEW HANDRAILS TO BE INSTALLED AT ALL STAIRCASES INTERIOR AND EXTERIOR. NEW DRYWALL TO BE INSTALLED THROUGHOUT AND TILE AT 3 BATHROOMS, AND KITCHENETTE IN THE BASEMENT. ALL TRADES TO PULL THEIR OWN PERMIT. FOR ELECTRICAL, PLUMBING AND HVAC. ALL WORK WILL BE DONE AS PER BALTIMORE CITY CODE.	—	May 31, 2022
COM2022	NONSTRUCTURAL FRAMING TO INCLUDE CONSTRUCTION OF CHASE WALLS, ROOM DIVIDER PARTITIONS, AND BULKHEADS. ALL FRAMING WORK TO BE COMPLETED ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS ((*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.)	$7,500	Mar 21, 2022
COM2022	INSTALL (14) # PLUMBING FIXTURES, (1) # WATER SERVICE PIPE ( 1-2 FAM. RES.), (1) # SANITARY CONNECTION, NEW INTERIOR, (2) BTU GAS PIPEING, (1) # GAS TEST, (1) 50000 BTU FUEL-BURNING EQUIP, (1) 75000 BTU FUEL-BURNING EQUIP AS PER CODE.	$6,000	Jan 21, 2022
COM2022	INSTALL (1) 18000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) 30000 BTU AIR-CON SYSTEM, HEAT PUMP, (2) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY), (1) 60000 BTU FUEL-BURNING EQUIP(FURNACE) AS PER CODE.	$12,500	Jan 19, 2022
COM2022	SCOPE OF WORK: ELECTRICAL ALTERATIONS TO INCLUDE: ADD 25 CIRCUITS, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE	$2,000	Jan 7, 2022
COM2021	INTERIOR ALTERATIONS TO INCLUDE: INTERIOR INSTALL NEW FLOORING, TRIM, CABINETS, DOORS AND INSULATION (IF INSTALLED IN THE WALLS-R20/IF INSTALLED IN THE CEILINGS-R49) AS NEEDED PER CODE. NEW HANDRAILS TO BE INSTALLED AT ALL STAIRCASES INTERIOR AND EXTERIOR. NEW DRYWALL TO BE INSTALLED THROUGHOUT AND TILE AT 3 BATHROOMS, AND KITCHENETTE IN THE BASEMENT. ALL TRADES TO PULL THEIR OWN PERMIT. FOR ELECTRICAL, PLUMBING AND HVAC. ALL WORK WILL BE DONE AS PER BALTIMORE CITY CODE.	$55,000	Dec 9, 2021
COM2021	INTERIOR DEMOLITION TO INCLUDE: INTERIOR DEMOLITION (CATEGORY I): REMOVAL OF LATH AND PLASTER WALLS, REMOVAL ON NON LOAD BEARING STUDS AND NON STRUCTURAL WALL, REMOVAL OF FLOORING, TRIM, DOORS, LIGHTING AND PLUMBING FIXTURES, AND ALL ASSOCIATED DEBRIS. ALL WORK TO BE COMPLETED ACCORDING TO BALTIMORE CITY CODE. *THIS PERMIT IS FOR INTERIOR DEMOLITION ONLY, SEPARATE PERMIT WILL BE PULLED FOR ANY INTERIOR RENOVATIONS/TENANT FITOUT.	$5,000	Nov 5, 2021

Violations

No violations on record.

Inspections

No inspections on record.

Nearby recent activity

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.