Baltimore City · 21207
4100 MAINE AVE
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- Total assessment
- $387,200
- Land use
- Residential (R)
- Year built
- 1920
- Last sale
- Feb 5, 2025
Assessment
| Owner | GUARDADO, MICHAEL GERARD |
|---|---|
| Land use | Residential (R) |
| Total assessment | $387,200 (cycle 2026) |
| Last sale | Feb 5, 2025 — $640,000 |
| Year built | 1920 |
| Zoning | R-1-E |
| Vacant | — |
Permits
6| Type | Description | Cost | Issued |
|---|---|---|---|
| USE2024 | TO USEAS A SINGLE FAMILY DWELLING | — | Jan 9, 2025 |
| COM2024 | INSTALL (2) 24000 BTU AIR-CON SYSTEM, HEAT PUMP, (3) # NEW DISTRIBUTION SYSTEM (1-2 FAMILY), (1) 24000 BTU AIR-CON SYSTEM, HEAT PUMP, (5) 50 CFM EXHAUST SYSTEMS , (2) 60000 BTU FUEL-BURNING EQUIP(FURNACE) AS PER CODE. | $20,000 | Sep 3, 2024 |
| COM2024 | INSTALL (14) # BRANCH CIRCUITS/FEEDERS , (1) 200 AMPS ELECTRIC SERVICE UP TO 600V (#AMPS) AS PER CODE. | $1,500 | Sep 3, 2024 |
| COM2024 | INSTALL (1) # ELECTRIC WATER HEATER, (16) # PLUMBING FIXTURES, (1) # SANITARY CONNECTION (RECONSTRUCTION0, (1) # WATER SERVICE PIPE (RECONSTRUCTION), (2) 90 BTU FUEL PIPING (OTHER THAN 1 OR 2 FAMILY), (1) 40 BTU FUEL-BURNING EQUIP AS PER CODE. | $500 | Sep 1, 2024 |
| COM2024 | SCOPE OF WORK: INTERIOR/EXTERIOR ALTERATIONS TO INCLUDE: INTERIOR (CATEGORY II) DEMOLITION: REMOVAL OF NON STRUCTURAL WALLS, DRYWALL, DOORS AND REMOVAL OF ALL ASSOCIATED DEBRIS, INSTALL NEW FRAMING TO CREATE NEW PARTITION WALLS, INSTALL NEW DRYWALL, INSTALL NEW TRIM, INSTALL NEW INTERIOR DOORS, INSTALL 6X6 POST TO SUPPORT LVL BEAM, FLOORING, INSULATION (R21WALLS/R49 CEILINGS), INTERIOR DOORS, RELOCATE LANDING AND STAIRCASE (TREAD: 9”MIN, RISE: 8 1/4” MAX, WIDTH: 36”MIN) USING EXISTING BEAMS, INSTALL NEW FINISHES, CONSTRUCTION OF NEW 12’X12’ REAR DECK (FOOTERS ARE TO BE 30"DEEP), REPLACEMENT OF WINDOWS AND EXTERIOR DOORS (IN THE SAME SIZE AND LOCATION), ALL WORK WILL BE DONE ACCORDING TO BALTIMORE CITY CODE AND PER SUBMITTED SKETCHES, SEPARATE PERMIT WILL BE PULLED FOR ANY MEP WORK | $12,500 | Aug 28, 2024 |
| COM2024 | INTERIOR DEMO CATEGORY 1 NON STRUCTURAL. TRIM DRYWALL FLOORING ALL WORK DONE PER CODE | $5,000 | Aug 6, 2024 |
Violations
0No violations on record.
Inspections
0No inspections on record.
Nearby recent activity
- permit: BRCMJun 18, 2026 · 68 m · 4105 LIBERTY HEIGHTS AVE
- violation: HCD-Sanitation PropertyJun 17, 2026 · 130 m · 4011 LIBERTY HEIGHTS AVE
- permit: BCCMJun 16, 2026 · 63 m · 4103 LIBERTY HEIGHTS AVE
- violation: HCD-Sanitation PropertyJun 15, 2026 · 57 m · 4106 MAINE AVE
- permit: BRCMJun 10, 2026 · 140 m · 4104 SPRINGDALE AVE
- violation: PM 306.6May 27, 2026 · 62 m · 4103 LIBERTY HEIGHTS AVE
- violation: BC 123.8.2May 26, 2026 · 150 m · 4108 SPRINGDALE AVE
- violation: PM 306.2May 15, 2026 · 125 m · 4011 MAINE AVE
- violation: PM 305.2.2May 15, 2026 · 125 m · 4011 MAINE AVE
- violation: PM 306.1May 15, 2026 · 125 m · 4011 MAINE AVE
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.