N
The Daily Insight

Do I need a permit to remodel my bathroom in Fairfax County?

Author

John Peck

Updated on March 29, 2026

Fairfax County requires a Building Permit for most new residential and commercial construction, which includes, electrical, mechanical, plumbing, and framing installations, and alterations; to include building additions, decks, carport enclosures, finished basements, second kitchens, bathroom and kitchen alterations.

What requires a building permit in VA?

What construction requires a building permit in Virginia? Usually, any project that involves building a new structure, altering an existing structure, or demolishing a structure will require a permit in Virginia. This includes small structures such as decks and sheds as well as interior remodeling.

How do I get a building permit in Fairfax County?

Call 703-222-0801, TTY 711, or email for help.

  1. Step 1: Permit Application. Determine whether you need a permit.
  2. Step 2: The Review Process.
  3. Step 3: Permit Approval.
  4. Step 4: Construction.
  5. Step 5: Inspections.
  6. Step 6: Field Changes.
  7. Step 7: Project Completion.

Do I need a permit to build a shed in Fairfax County?

The County regulates the location of all sheds and other freestanding accessory structures and, in some instances, also requires the approval of a building permit. An accessory structure that is between 8 ½ feet and 12 feet in height must be located at least five feet from the side and rear lot lines.

Do I need a permit to build a deck in Virginia?

Yes. All decks with a floor height of 16 inches above the finished grade requires a permit. Decks that are under 16 inches above the finished grade are considered patios and are exempt from building permits.

Do I need a permit to build a playhouse?

Do I need a building permit? Generally, no. Check with your local municipality, but for the most part playhouses and other single story structures under 200 square feet that are not accessory dwelling units (ADUs) are exempt.

How much is a building permit in Fairfax County?

The base permit fee is $108. All final permit fees, based on the Fairfax County Fee Schedule, will be calculated by county staff. Separate permits are required for mechanical, electrical and plumbing work.

Do you need a permit to replace a roof in Virginia?

Application for a permit may be required by the building official for the installation of replacement siding, roofing and windows in buildings within a historic district designated by a locality pursuant to § 15.2-2306 of the Code of Virginia.

Can I put a tiny home in my backyard?

California is one of the best states for being a tiny-house enthusiast. In the counties of Alameda, Contra Costa, Lake, Mendocino, Napa, Sacramento, and Sonoma, tiny houses on wheels are allowed as “caregiver dwellings” in the backyard of a person who needs assistance.

How much would it cost to build a playhouse?

Prefabricated wooden playhouses typically cost anywhere from $1,000-$5,000, while custom-built playhouses range from about $3,000 to upwards of $100,000.

What is the purpose of a building permit?

A building permit is an official approval issued by the local government agency that allows you or your contractor to proceed with a construction or remodeling project on your property. It is intended to ensure that the project plans to comply with local standards for land use, zoning, and construction.

Where to get building permits?

In order to get a building permit you will need to file a permit application with the city Planning Department in the municipality in the State of Washington where the project will occur. Most applications also require that you submit drawn plans showing the work that is to be done and pay a permit fee.

Do I need a building permit?

When a permit might be required. Exterior work such as adding a deck, cutting down trees and building new fences or retaining walls are all elements that may or may not require a permit depending on design, location and the extent of the work.

How are building permits work?

How Building Permits Work. It can also play a big role in protecting the value of your home. Building permits are the way counties, towns and municipalities enforce their building codes. Local governments adopt those codes in order to ensure that all buildings meet minimum safety and structural standards.