Baltimore City · 21205

809 N PATTERSON PARK AVE

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Total assessment: $79,400
Land use: Residential (R)
Year built: 1920
Last sale: Oct 16, 2025

Assessment

Owner	TWENTY TWO GROUP LLC, THE
Land use	Residential (R)
Total assessment	$79,400 (cycle 2026)
Last sale	Oct 16, 2025 — $211,286
Year built	1920
Zoning	R-8
Vacant	—

Permits

Type	Description	Cost	Issued
BUSE	Use as a single-family dwelling.	—	Jan 20, 2026
COM2024	Extend Original Permit.(original permit:COM2023-67357:SCOPE OF WORK:-----ADDITION------REPAIRING AND REBUILDING A SECOND FLOOR BUMP OUT AND ADDING A THIRD STORY BUMP OUT OVER THE EXISTING PART BEING REPAIRED. THE WORK REFLECTS A MINOR CHANGE TO THE ORIGINAL PLANS SUBMITTED AND HAS BEEN STAMPED BY STRUCTURAL ENGINEER. AS PER PLANS AND AS PER CODE.) Original Permit Description:(COM2023-67357) SCOPE OF WORK:-----ADDITION------REPAIRING AND REBUILDING A SECOND FLOOR BUMP OUT AND ADDING A THIRD STORY BUMP OUT OVER THE EXISTING PART BEING REPAIRED. THE WORK REFLECTS A MINOR CHANGE TO THE ORIGINAL PLANS SUBMITTED AND HAS BEEN STAMPED BY STRUCTURAL ENGINEER. AS PER PLANS AND AS PER CODE.	—	Mar 11, 2024
COM2023	INSTALL (16) # PLUMBING FIXTURES, (1) # PLUMBING FIXTURES, (1) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (1-2 FAM. RES.), (1) # SANITARY CONNECTION, NEW INTERIOR, (2) 6000 BTU FUEL-BURNING EQUIP, (1) # WATER SERVICE PIPE ( 1-2 FAM. RES.), (1) # WATER SERVICE PIPE, NEW INTERIOR, (1) 4000 BTU FUEL-BURNING EQUIP, (2) 3500 BTU FUEL-BURNING EQUIP AS PER CODE.	$1,100	Oct 5, 2023
COM2023	INSTALL (26) # BRANCH CIRCUITS/FEEDERS , (1) 200 AMPS ELECTRIC SERVICE UP TO 600V (#AMPS) AS PER CODE.	$2,000	Sep 29, 2023
COM2023	INSTALL (2) 56000 BTU AIR-CON SYSTEM, HEAT PUMP, (2) # DISTRIBUTION SYSTEM, RECONSTRUCTION ( # DIFFUSERS), (5) 300 CFM EXHAUST SYSTEMS AS PER CODE.	$17,500	Sep 21, 2023
COM2023	SCOPE OF WORK:-----ADDITION------REPAIRING AND REBUILDING A SECOND FLOOR BUMP OUT AND ADDING A THIRD STORY BUMP OUT OVER THE EXISTING PART BEING REPAIRED. THE WORK REFLECTS A MINOR CHANGE TO THE ORIGINAL PLANS SUBMITTED AND HAS BEEN STAMPED BY STRUCTURAL ENGINEER. AS PER PLANS AND AS PER CODE.	$20,000	Aug 15, 2023
COM2023	Extend Original Permit.(original permit:COM2022-58432:SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: FRAMING TO CREATE NEW PARTITION WALLS, INSTALLATION OF NEW DRYWALL, INSTALLATION OF NEW INTERIOR STAIRCASE (TREAD: 9''MIN, RISE: 8 1/4''MAX AND WIDTH: 36''MIN), INSTALL NEW INTERIOR DOORS, INSTALL NEW TRIM, INSTALL NEW FINISHES, EXTERIOR ALTERATIONS TO INCLUDE: CONSTRUCTION OF 3RD FLOOR ADDITION, ALL WORK WILL BE DONE 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, 5. ALL EXTERIOR WORK WILL MAINTAIN PROPER SETBACKS AND WORK WILL BE DONE WITHIN PRIVATE PROPERTY LINES) ) Original Permit Description:(COM2022-58432) SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: FRAMING TO CREATE NEW PARTITION WALLS, INSTALLATION OF NEW DRYWALL, INSTALLATION OF NEW INTERIOR STAIRCASE (TREAD: 9''MIN, RISE: 8 1/4''MAX AND WIDTH: 36''MIN), INSTALL NEW INTERIOR DOORS, INSTALL NEW TRIM, INSTALL NEW FINISHES, EXTERIOR ALTERATIONS TO INCLUDE: CONSTRUCTION OF 3RD FLOOR ADDITION, ALL WORK WILL BE DONE 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, 5. ALL EXTERIOR WORK WILL MAINTAIN PROPER SETBACKS AND WORK WILL BE DONE WITHIN PRIVATE PROPERTY LINES)	—	Mar 21, 2023
COM2023	INSTALL (16) # PLUMBING FIXTURES, (1) # PLUMBING FIXTURES, (1) # PLUMBING FIXTURES, (2) 50000 BTU FUEL-BURNING EQUIP, (1) # WATER SERVICE PIPE, NEW INTERIOR, (1) # WATER SERVICE PIPE ( 1-2 FAM. RES.), (1) # SANITARY CONNECTION, NEW INTERIOR, (1) # SANITARY CONNECTION (1-2 FAM. RES.), (2) 35000 BTU FUEL-BURNING EQUIP, (1) 40000 BTU FUEL-BURNING EQUIP AS PER CODE.	$1,100	Jan 6, 2023
COM2022	SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: FRAMING TO CREATE NEW PARTITION WALLS, INSTALLATION OF NEW DRYWALL, INSTALLATION OF NEW INTERIOR STAIRCASE (TREAD: 9''MIN, RISE: 8 1/4''MAX AND WIDTH: 36''MIN), INSTALL NEW INTERIOR DOORS, INSTALL NEW TRIM, INSTALL NEW FINISHES, EXTERIOR ALTERATIONS TO INCLUDE: CONSTRUCTION OF 3RD FLOOR ADDITION, ALL WORK WILL BE DONE 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, 5. ALL EXTERIOR WORK WILL MAINTAIN PROPER SETBACKS AND WORK WILL BE DONE WITHIN PRIVATE PROPERTY LINES)	$140,000	Sep 2, 2022
COM2022	REMOVE FORMSTONE CLEAN AND REPOINT EXISTING BRICK PER BALTIMORE CITY CODE	$5,400	Mar 16, 2022

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.