Politics

Baltimore City Zoning Categories and County School Impact Regulations Shape Development Reviews

Baltimore residents see development proposals reviewed under four land use categories in the city and new school impact rules in the county that apply to plans filed after January 1, 2025.

By Baltimore Policy Desk · Published July 24, 2026

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This article was written by AI from the linked sources and was not reviewed by a journalist before publishing. The Daily Baltimore is part of The Daily Network and follows our reasonable editorial care.

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Baltimore City zoning ordinance divides land into four basic categories: residential, office-residential, business and manufacturing. Ten residential districts carry the R designation. These categories determine which uses receive a P for permitted, CB for conditional use requiring Board of Municipal and Zoning Appeals approval, or CO for conditional use requiring Mayor and City Council ordinance approval.

County regulations update development standards

Baltimore County codified its Zoning Regulations through Bill No. 48-25 adopted on September 25, 2025. The Zoning Policy Manual 2023 Edition received approval by Resolution 36-23 on December 4, 2023. Separate School Impact Regulations adopted under Bill 31-24 and Bill 50-24 now cover all development plans filed after January 1, 2025.

Residential zoning standards in Baltimore set minimum lot sizes such as 5,000 square feet in RO zones, front setbacks of 25 feet, rear setbacks of 30 feet, and lot coverage that does not exceed 40 percent. These measurements guide where housing and related services can locate.

Local implications for services and infrastructure

The defined categories and use table direct where residential development, offices, businesses and manufacturing may occur. County school impact rules add review steps for plans submitted after the January 2025 date. Residents encounter these requirements when proposals reach the planning stage in either jurisdiction.

Development plans must satisfy the listed standards before moving forward. The process links zoning districts to the placement of housing near services and infrastructure such as schools. Officials apply the P, CB and CO designations during each review.

Further plans will continue under the current categories and the school impact regulations already in effect for qualifying submissions. The framework remains tied to the four land use categories in the city and the updated county bills.

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