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Anne Arundel County, MD Ordinances (2026)

Local rules and regulations for Anne Arundel County, Maryland. Population: 588,261.

Verified from official government sources

Note: County ordinances apply to unincorporated areas of Anne Arundel County. If you live within an incorporated city, that city's own rules take precedence over county-level regulations. We have city-specific rules for Annapolis: check there if you live in that city. All other areas in Anne Arundel County fall under the county rules shown below.

Browse Ordinances by Topic

Select a topic to see Anne Arundel County's rules on that subject.

Building Safety

Electrical Permits

Some Restrictions

Anne Arundel County adopts the 2020 National Electrical Code (NFPA 70) as its Electrical Code and requires a permit from the Department of Inspections and Permits before any electrical…

Building Permits

Some Restrictions

Anne Arundel County exempts decks of 200 square feet or less, under 30 inches high, and detached from the house from a building permit: anything bigger, higher, or attached needs one…

Fire Sprinkler Requirements

Heavy Restrictions

Anne Arundel County's amended IRC section R313.2 requires an automatic residential fire sprinkler system, installed to NFPA 13D, in every new one- and two-family dwelling, and extends…

Childcare Center Rules

Some Restrictions

Family day-care homes in Anne Arundel County must meet Life Safety Code exit standards: a required sliding-door exit needs a simple single lock and a clear 28-inch opening, and…

Building Inspections

Some Restrictions

Anne Arundel County requires footing, framing, and final inspections at each construction stage under the Building Code Supplement, with work staying exposed until the Code Official…

Plumbing Permits

Some Restrictions

Anne Arundel County adopts the 2021 International Plumbing Code and requires a permit before any plumbing work; only a licensed plumber under § 11-4-605 may apply, and unpermitted work…

Green Building Code

Some Restrictions

Anne Arundel County requires all new construction and major renovations to meet the 2021 International Energy Conservation Code, enforced by the Department of Inspections and Permits…

Cities in Anne Arundel County

These cities are located within Anne Arundel County and may have their own ordinances.

Communities in Anne Arundel County

These communities are in unincorporated Anne Arundel County. County ordinances apply directly to these areas.

Data Sources

Ordinance data for Anne Arundel County is sourced from the following official government references. Click any topic above for detailed citations.