MD Building Standards2026 Residential Code

Maryland Building Permit Costs, Exemptions & City Portals

Understand residential construction permit requirements in Maryland under Maryland Building Performance Standards (MBPS & IRC 2021). Calculate permit fee estimates for Baltimore and surrounding counties, check shed and fence exemptions, and review mandatory inspection procedures.

Maryland Statutory Ruling: Residential Permitting Standards & Exemptions

Maryland Building Permit Standard: Under Maryland Building Performance Standards (MBPS & IRC 2021), residential building permits are mandated for Rowhouse basement underpinning, Deck attachments, Electrical heavy-ups (200A service). Detached accessory storage sheds up to 200 sq ft and fences up to 6 ft are permit-exempt. Base municipal fees start at $95 plus plan check review fees.

Governing Code: Maryland Building Performance Standards (MBPS & IRC 2021)Metro Jurisdiction: Baltimore City Department of Housing & Community Development (DHCD)Last Verified: October 2026

Building Permit Cost & Requirement Estimator

Estimate municipal building permit fees, plan check review costs, and inspection requirements by project valuation.

Valuation includes labor and materials as required by municipal fee formulas.
Expected Permit Subcodes:
BuildingElectricalPlumbing

Estimated Municipal Permit Fees (Baltimore, MD)

Building Construction Permit:$459
Plan Check Review Fee (65%):$298
Subtrade Surcharges (Elec/Plumb/Mech):$150
Total Estimated Permit Cost:$771 – $1,043
⏱ Typical Plan Review Turnaround: 10–18 business days
Local Jurisdiction Department:
Baltimore City Department of Housing & Community Development (DHCD)
Open Official City Permit Portal →
State Building Standards Code: Maryland Building Performance Standards (MBPS & IRC 2021). Detached one-story accessory tool sheds are permit-exempt up to 200 sq ft. Fences up to 6 feet tall are exempt from building permits.

Planning Construction Budgets in Baltimore?

Compare full contractor labor and material cost benchmarks across kitchen, bathroom, ADU, and roof replacements.

Explore Metro Cost Guides →

Maryland Building Code Exemption Guidelines

Detached Shed Exemption Cap
Up to 200 sq ft
One-story tool/storage shed without electrical or plumbing
Fence Height Exemption Cap
Up to 6 Feet Tall
Standard residential boundary privacy fences

Projects Strictly Requiring Building Permits in Maryland

  • Rowhouse basement underpinning
  • Deck attachments
  • Electrical heavy-ups (200A service)
  • Sprinkler system installations in additions

Permit-Exempt Cosmetic Improvements in Maryland

  • Detached storage buildings under 200 sq ft
  • Fences under 6 feet tall
  • Cosmetic kitchen/bath finish work

Penalties for Unpermitted Work in Maryland

Montgomery County and Baltimore City assess double permit fees and stop real estate closings until unpermitted work is inspected.

Major Municipal Building Department (Baltimore)

For properties located in or around Baltimore, residential permits are processed through the Baltimore City Department of Housing & Community Development (DHCD). Standard residential plan check reviews typically take 10–18 business days.

Access Baltimore Online Permitting Portal →

Maryland Building Permit FAQs

Do I need a permit to replace a deck in Maryland?

Yes. Decks over 30 inches above grade or attached to the house require structural building permits to inspect footings, post connections, and ledger board flashing.

Can a homeowner pull permits in Montgomery County, Maryland?

Homeowners who own and occupy a single-family home may pull building permits, but electrical and plumbing must typically be performed by licensed master tradespeople.

Compliance Notice: Building codes are adopted locally and may vary between incorporated cities and unincorporated county districts in Maryland. Always verify specific setback and permitting requirements with your local jurisdiction before commencing construction.