Baltimore Home Addition Permits 2026
Baltimore home addition permit fees, plan review, and required inspections for 2026.
Baltimore Home Addition permit basics
- Building department: Baltimore City Department of Housing and Community Development (Permits and Code Enforcement)
- Department URL: https://dhcd.baltimorecity.gov/pi/permits
- Permit fee typical: $400 - $3,500 permit fee
- Plan review + approval: 10-20 business days for residential plan review
- Inspections required: 6-12 inspections (footing, framing, electrical, plumbing, mechanical, insulation, drywall, final)
Baltimore Home Addition common issues
Setback compliance, FAR (floor-area ratio), structural review required, sewer/water capacity may need upgrade.
Baltimore-specific permitting context
Baltimore is an independent city and DHCD issues a distinctive Minor Privilege permit, with an annual fee, for any private structure that encroaches on the public right of way, such as rowhouse stoops, bay windows, awnings and marquees. Maryland also mandates registration and lead-safe practices for pre-1978 rental housing through the state MDE lead program.
Climate factors: Mid-Atlantic climate with humid summers, freeze-thaw winters, coastal storm and remnant-hurricane rainfall, and Chesapeake tidal flooding in low-lying areas.
Maryland licensing for Home Addition contractors
Maryland Home Improvement Commission (MHIC) - required: $370 + $50K trust fund contribution. Board: https://www.dllr.state.md.us/license/mhic.
Mechanics lien deadline in Maryland: 180 days from last work. Preliminary notice: Notice of intent within 120 days of last work for subcontractors.
Baltimore Home Addition sales tax
Maryland sales tax: 6% (no local addition). Real property labor exempt. TPP repair labor (appliances, HVAC service on tangible items) taxable.
Verify with the Maryland Comptroller.
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