Back to Blog
Permits & Regulations

Home Renovation Permits in Maryland: Complete 2025 Guide

January 30, 2025
14 min read
Home renovation plans and permits on desk

Understanding permit requirements is crucial for any home renovation project in Maryland. Skipping permits can lead to fines, forced removal of work, and problems when selling your home. This guide covers everything you need to know about permits in Montgomery County, Anne Arundel County, Washington DC, and surrounding areas.

What Projects Require Permits?

Kitchen remodeling (structural/electrical/plumbing)Permit Required
Bathroom remodeling (plumbing changes)Permit Required
Room additionsPermit Required
Basement finishingPermit Required
Deck construction (over 200 sq ft or 30 inches high)Permit Required
Roof replacementPermit Required
Window replacement (same size openings)No Permit
Siding replacementNo Permit
Interior paintingNo Permit
Flooring replacementNo Permit
Cabinet replacement (no plumbing/electrical changes)No Permit
Fence under 6 feetNo Permit

Important Note

When in doubt, check with your local permitting office. Requirements vary by jurisdiction and specific project details. Your licensed contractor should handle permit applications.

Permit Information by Area

Montgomery County

Website:

montgomerycountymd.gov/DPS

Phone:

(240) 777-0311

Average Processing Time:

2-6 weeks

Typical Fees:

$100-500+ depending on project

Online e-Permit system available for many projects

Anne Arundel County

Website:

aacounty.org/departments/inspections-and-permits

Phone:

(410) 222-7790

Average Processing Time:

2-4 weeks

Typical Fees:

$75-400+ depending on project

Expedited review available for additional fee

Washington DC

Website:

dcra.dc.gov

Phone:

(202) 442-4400

Average Processing Time:

3-8 weeks

Typical Fees:

$150-600+ depending on project

Historic district reviews may add time

Prince George's County

Website:

princegeorgescountymd.gov/DPIE

Phone:

(301) 636-2000

Average Processing Time:

2-4 weeks

Typical Fees:

$100-450+ depending on project

Contractor registration required

The Permit Process: Step by Step

1

Determine Permit Requirements

Contact local permitting office or consult with your contractor to determine what permits are needed.

2

Prepare Documentation

Gather required documents: site plans, construction drawings, contractor licenses, and project specifications.

3

Submit Application

File permit application online or in-person with required documents and fees.

4

Plan Review

County reviews plans for code compliance. May require revisions.

5

Permit Issuance

Once approved, permit is issued. Post permit visibly at job site.

6

Inspections

Schedule required inspections during construction phases.

7

Final Approval

Pass final inspection to receive certificate of completion.

Consequences of Unpermitted Work

Risks of Skipping Permits

  • -Stop work orders halting your project
  • -Fines ranging from $500 to $10,000+
  • -Required removal of unpermitted work
  • -Problems selling your home (title issues)
  • -Insurance claim denials
  • -Safety hazards from uninspected work
  • -Liability if someone is injured

How Build Dog Construction Helps

As a licensed Maryland contractor (MHIC #140387), Build Dog Construction handles all permit applications and inspections for your project. We:

  • Determine all required permits for your specific project
  • Prepare and submit permit applications
  • Coordinate with inspectors throughout construction
  • Ensure all work meets current building codes
  • Provide documentation for your records

This is included in our services at no additional charge - it's simply part of doing the job right.

Need Help with Your Project?

We handle permits, inspections, and all the paperwork. Get a free consultation.