A permit is always required for any addition or structural modification to your existing living space, including the addition or relocation of an interior wall.
A permit is required for electrical modifications, plumbing work, window and door modifications, and for mechanical system installations.
You will always need a permit if you are modifying the roof line of your home. Sewer modifications, major demolitions and added fireplaces are other examples of work that typically requires a permit.
Exterior work such as adding a deck, building new fences or retaining walls, sheds, carports and other accessory structures require permits. Concrete slabs and driveways require a permit.
A permit usually isn’t required for interior cosmetic changes like new carpet, hardwood flooring, new paint, paneling and the installation of trim like crown molding, baseboard and casing. Residential sidewalks on your own property when they do not exceed three feet in width typically don't require permits.
Effective July 1, 2026, certain projects having a valuation of under $7500 undertaken at single-family homes do not require a permit. This exemption does not apply to structural, plumbing, electrical, fuelgas, or mechanical alterations, and does not apply if the subject property is located in a flood zone. To qualify, you must apply for an exemption at the Building Department by showing proof of project valuation. Or online at eTrackit under Permit Exemption Request.