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Gaithersburg, MD Building Safety: Building Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Permit unit
one per legal address, one per building
Issuing office
Planning and Code Administration, Permits Division
Fee-setting body
Mayor and City Council
Appeal deadline
17 days to Board of Appeals
Enforcement tool
withholding of inspections and permits
Penalty
municipal infraction, each day a separate offense

Summary

Gaithersburg requires a separate building permit for every legal address and every separate building at that address before construction begins. City Code § 5-3 amends the 2021 International Building Code's permit section to remove several standard exemptions, and the Planning and Code Administration's Permits and Inspections Division reviews and issues every permit.

(20)Subsection 105.1. Required. Add the following: A separate permit is required for each legal address. A separate permit is required for each separate building at a legal address.(21)Subsection 105.2. Work exempt from permit. Delete the following itemized provisions of the subsection: Building: 1., 2., 4., 6., 7. - partial, only for - cabinets and countertops that do not interfere with egress, 9., 12., and 13. - partial, only for items that do not interfere with egress. Also delete in their entirety the portions of this subsection regarding Gas-Fitting and Plumbing (as regulated by WSSC).

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 52 Update 1).

Full Breakdown

Chapter 5, § 5-1 adopts the 2021 International Building Code, and § 5-3 amends it specifically for Gaithersburg. 1, as amended, requires a separate permit for each legal address and a further separate permit for each separate building located at that address, so a single lot with multiple structures needs a permit per building rather than one blanket permit. 2: the city deletes several of the code's standard building exemptions (items 1, 2, 4, 6, 9 and 12) outright and allows only a partial exemption for items 7 and 13, limited to cabinets, countertops and comparable work that does not interfere with egress; the gas-fitting and plumbing exemptions are eliminated entirely because those trades are separately regulated by the Washington Suburban Sanitary Commission.

1, and its director serves as the City Building Official. 1 requires fees to be paid for each separate permit application before that permit is released. 6 lets the city withhold further inspections or permits on that project until violations are corrected and fees and fines are paid. 1, with further appeal to the Circuit Court for Montgomery County within 30 days of the Board's written decision.

Violations & Fines

Starting work without the required permit, or continuing after the Building Official finds a violation, exposes an owner or contractor to a municipal infraction under amended Subsection 114.4, punishable by a fine set by the Mayor and City Council under §§ 1-9 through 1-11 of the City Code, with each day of the violation a separate offense. The Building Official may also withhold further permits or inspections on the project under Subsection 115.6 until violations are fixed and fees paid.

Frequently Asked Questions

Do I need a separate permit for each building on my property?
Yes. Amended Subsection 105.1 requires a separate building permit for each legal address and an additional separate permit for each separate building located at that address, so a homeowner adding a detached garage and remodeling the house needs two permits, not one.
Which office issues Gaithersburg building permits?
The City of Gaithersburg Department of Planning and Code Administration, Permits and Inspections Division, issues and reviews permits under amended Section 103.1, and its director acts as the City Building Official for enforcement purposes.
What happens if I build without the required permit?
It is a municipal infraction under amended Subsection 114.4, with a fine set by the Mayor and City Council under City Code §§ 1-9 through 1-11 and each day of the violation counted as a separate offense; the Building Official can also withhold further permits or inspections on the project.
Can a building permit decision be appealed?
Yes. Amended Subsection 113.1 lets a property owner appeal any City Manager or designee decision under Chapter 5 to the City Board of Appeals within 17 days, with a further appeal available to the Circuit Court for Montgomery County within 30 days of the Board's written decision.

Sources & Official References

Other rules in Gaithersburg

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