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Maryland ADU Guide

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Gijo John

Gijo John is the founder and research editor of Maryland ADU Guide. He independently researches Maryland accessory dwelling unit laws, ordinances, permit processes and homeowner planning issues using primary sources such as Maryland statutes, state guidance, county and municipal codes, official meeting records, permit documents and fee schedules. His work focuses on comparing statewide requirements with local implementation, documenting unresolved conflicts, and turning technical material into practical homeowner checklists, tools and decision guides. Gijo is not a Maryland contractor, architect, engineer, attorney or government official, and the site does not present him as one.

New Market MD ADU Rules 2026: Ordinance 2026-05, Zoning & Utilities

Updated October 10, 2026 by Gijo John

New Market is actively updating its ADU rules through Ordinance 2026-05. Learn the latest September 2026 status, Town zoning, Frederick County water/sewer split and what to verify before buying ADU plans.

Categories Zoning & Regulations

La Plata MD ADU Rules 2026: Ordinance 26-20, Permits, Fees & Rentals

Updated September 18, 2026 by Gijo John

La Plata adopted Ordinance 26-20 for accessory dwelling units in 2026. Learn the Town permit, occupancy, utility/facility-fee, detached-unit and rental checks homeowners should complete before buying plans.

Categories Zoning & Regulations

Berlin MD ADU Rules 2026: Draft Ordinance 2026-07, Size, Amnesty & Parking

Updated October 10, 2026 by Gijo John

Berlin’s draft Ordinance 2026-07 proposes detailed ADU rules for size, owner occupancy, parking, historic properties, utilities and an amnesty pathway for older units. See what is proposed and what homeowners should verify before acting.

Categories Zoning & Regulations

Elkton MD ADU Rules 2026: Special Exception, 30% Legacy Cap, Critical Area & Permits

Updated October 10, 2026 by Gijo John

Elkton’s legacy accessory-apartment rules require a Special Exception and contain a 30% size cap, while its Critical Area ordinance recognizes ADUs. See the 2026 conflicts, permits and parcel checks before designing.

Categories Zoning & Regulations

Denton MD ADU Rules 2026: Size, Parking, Garage Conversions & Permits

Updated October 10, 2026 by Gijo John

Denton’s detailed ADU proposal covers basement and attic conversions, detached units, garage conversions, parking and size. Learn the 60%/1,000-sq-ft draft versus Maryland’s 75% standard and what to verify in 2026.

Categories Zoning & Regulations

Centreville MD ADU Rules 2026: 75% Draft, Parking Waiver, Detached Units & Critical Area

Updated October 10, 2026 by Gijo John

Centreville is actively rewriting its ADU rules. See the July 2026 draft 75% size standard, parking waiver, owner occupancy, detached-unit rules, Critical Area issues and what to verify before designing.

Categories Zoning & Regulations

Trappe MD ADU Rules 2026: Zoning, Permits, Rentals & HB 1466

Updated October 10, 2026 by Gijo John

Trappe has its own zoning, permits, rental licensing and utilities. Learn what homeowners should verify for an ADU under the Town’s 2025 zoning ordinance and Maryland’s 2026 HB 1466 transition.

Categories Zoning & Regulations

Oxford MD ADU Rules 2026: Critical Area, 900-Sq-Ft Rule, Sewer & Historic Review

Updated October 10, 2026 by Gijo John

Oxford has its own ADU, Critical Area and Historic District rules. Learn the published RCA 900-sq-ft/100-foot provision, sewer requirement, HB 1466 transition and parcel checks before designing.

Categories Zoning & Regulations

St. Michaels MD ADU Rules 2026: Size, Setbacks, Garage Conversions & Rentals

Updated October 10, 2026 by Gijo John

St. Michaels has detailed ADU rules for size, owner occupancy, detached units, garage-related ADUs, setbacks, design and short-term rentals. See the 2026 HB 1466 issues to verify before designing.

Categories Zoning & Regulations

Easton MD ADU Rules 2026: Ordinance 861, Size, Parking & Permits

Updated October 10, 2026 by Gijo John

Easton has its own ADU zoning rules and a major 2026 update underway through Ordinance 861. See what applies now, what is proposed, and what homeowners should verify before spending money.

Categories Zoning & Regulations
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