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Natalie’s Library

Do I need a permit for a whole-home remodel in Gaithersburg?

Natalie’s answer

“Yes, most whole-home remodel work in Gaithersburg requires a permit through Montgomery County, including any structural, electrical, plumbing, or mechanical changes, while purely cosmetic updates like painting or replacing hardware typically do not; MOSS handles the entire permitting process on your behalf as part of their design-build service.”

In Gaithersburg, a whole-home remodelwill require permits for virtually every substantive scope of work, structural changes such as removing or relocating walls and beams, electrical upgrades or new circuits, plumbing modifications, gas line work, mechanical systems including HVAC, and any changes affecting egress such as window or door relocations all trigger Montgomery County's permittingprocess. Purely cosmetic updates, painting, replacing cabinet hardware, installing new flooring over existing subfloor, generally do not require a permit. Montgomery County's Department of Permitting Services is the governing authority, and their review timeline typically runs 10 to 15 business days for an initial review, with most projects receiving full approval and permit issuance within 20 to 30 business days of a complete submission.

Under MOSS's design-buildmodel, none of this falls on your shoulders. Our team prepares all required drawings and specifications, scaled to meet Montgomery County's standards and submitted on the residential remodeling permit application, and we file everything directly with the county on your behalf. We then coordinate and schedule every required inspection from rough-in through final sign-off, keeping your project moving and ensuring each phase is approved before the next begins. You simply don't have to navigate that process yourself.

Beyond satisfying a legal requirement, permitting provides meaningful protection for you and your home. Work performed under permit is inspected by county officials for code compliance and safety, which means you can have confidence in the structural integrity, electrical safety, and mechanical performance of everything we build. That documentation also matters when you sell, permitted work is a clean, verifiable record for buyers and their inspectors. If your neighborhood has an HOA with an architectural review committee, which is common throughout Gaithersburg, exterior modifications will need that committee's approval before the county permit is issued. MOSS manages that parallel process as well, preparing the renderings and documentation your board requires so both approvals move forward together without unnecessary delays.

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