Baltimore City · 21230

1257 WILLIAM ST

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Total assessment: $608,200
Land use: Residential (R)
Year built: 1880
Last sale: Nov 3, 2021

Assessment

Owner	VIEL, OLIVER
Land use	Residential (R)
Total assessment	$608,200 (cycle 2026)
Last sale	Nov 3, 2021 — $620,000
Year built	1880
Zoning	R-8
Vacant	—

Permits

Type	Description	Cost	Issued
COM2021	INSTALL (1) 60000 BTU AIR-CON SYSTEM, HEAT PUMP, (1) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY), (1) 60000 BTU FUEL-BURNING EQUIP(FURNACE) AS PER CODE.	$9,100	May 12, 2021
COM2021	INSTALL (1) # ELECTRIC WATER HEATER, (4) # PLUMBING FIXTURES, (1) # WATER SERVICE PIPE, NEW INTERIOR, (1) 60000 BTU FUEL-BURNING EQUIP AS PER CODE.	$2,000	Mar 10, 2021
COM2021	INSTALL (1) 200 AMPS ENLARGE ELECTRICAL METERS, (20) # BRANCH CIRCUITS/FEEDERS , (6) # LOW VOLTAGE AS PER CODE.	$5,000	Mar 8, 2021
COM2021	SCOPE OF WORK: INTERIOR/EXTERIOR ALTERATIONS TO INCLUDE: NON-STRUCTURAL DEMO & REMOVAL OF PLASTER, DRYWALL, WINDOWS, DOORS, NON-BEARING WALLS, ROOFING & FLOOR MATERIAL, & REMOVAL OF DEBRIS AND EQUIP. REMOVE FIRST AND SECOND FLOOR REAR WALL. REMOVE FLOOR JOISTS FOR NEW STAIRS’ FRAMING. NEW FIRST AND SECOND FLOOR REAR ADDITION. (14’-0'' X 10’-0” & 14’-0” X 3’-0” & 9’-0” X 5’-6”), NEW THIRD FLOOR REAR ADDITION. (9’-0'' X 5'-6”) & NEW ROOF TOP DECK. (14'-0''X 24'-0'') NEW INTERIOR FRAMING & DRYWALL (2X4STUDS AT 16''O.C.) FOR BASEMENT, 1ST & 2ND FLOOR. NEW 3'-0'' WIDE INTERIOR AND EXTERIOR STAIRS (7.75''MAX RISERS & 10'' MIN. TREADS) AND HANGERS. NEW FLOOR FINISHING, NEW INTERIOR DOORS(16), NEW EXTERIOR DOORS(4), NEW WINDOWS(9), NEW SIDINGS AND NEW RUBBER ROOF OVER EXISTING ROOF. EXISTING WINDOWS AND DOORS SAME SIZES AND LOCATIONS. NEW CONCRETE PARKING PAD. NEW INSULATION (R49 FOR ROOF, R21 FOR EXTERIOR WALLS). (MECH., ELECT. AND PLUMBING PERMITS TO OBTAIN SEPARATELY.) PER BMZA # 2020-223 (*NOTES: 1. ALL HABITABLE AREAS WILL MAINTAIN MINIMUM CEILING HEIGHT OF 7', 2. ALL HALLWAYS WILL MAINTAIN WIDTH OF 36''MINIMUM, 3. ALL BEDROOMS WILL MAINTAIN 70SQ/FT PER ONE OCCUPANT OR 50 SQ/FT PER OCCUPANT, 4. ALL BATHROOMS WILL MAINTAIN ENOUGH CLEAR FLOOR SPACE FOR CLEARANCE OF PLUMBING FIXTURES, 5. ROOF TOP DECK WILL MAINTAIN ALL PROPER SETBACK AND 2' MAX AT MIDPOINT OF ROOF LINE PLANE)	$90,000	Feb 11, 2021
COM2021	INSTALL (1) # BACKFLOW PREVENTION DEVICE (<2'' DIAMETER), (11) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (1) 70000 BTU FUEL-BURNING EQUIP, (1) 38000 BTU FUEL-BURNING EQUIP AS PER CODE.	$4,500	Jan 7, 2021
COM2020	SCOPE OF WORK: INTERIOR ALTERATIONS TO INCLUDE: UNDERPINNING OF FOUNDATION WALLS AS PER ATTACHED ENGINEER'S PLANS AND CERTIFICATION. THE ENGINEER CERTIFICATION IS REQUIRED AT COMPLETION OF WORK AND WITH A REPORT OF THE EXACT DATES OF PERIODIC INSPECTIONS DURING THE CONSTRUCTION. EXISTING BASEMENT HEIGHT = 6'-0'', PROPOSED HEIGHT = 8'-0''. NEW 4'' CONCRETE SLAB ON 4'' GRAVEL, ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED PLANS	$5,000	Dec 9, 2020
BMZ2020	construct a two-story rear addition, deck at 3rd floor rear and rooftop deck.	—	Oct 30, 2020

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.