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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.

Maryland ADU Construction Timeline: From Site Work to Final Inspection

Updated October 10, 2026 by Gijo John

See the practical ADU build sequence in Maryland from site prep and foundation through framing, MEP rough-ins, insulation, finishes, trade finals and final inspection.

Categories Zoning & Regulations

Maryland ADU Floor Plans: 400, 600, 800 & 1,000 Sq Ft Layout Guide

Updated September 21, 2026 by Gijo John

Compare 400, 600, 800 and 1,000 sq ft Maryland ADU layouts with original planning diagrams, room-by-room tradeoffs and checks to make before paying for final plans.

Categories Zoning & Regulations

Maryland ADU Site Plan Guide 2026: What to Show Before You Apply

Updated October 10, 2026 by Gijo John

Learn what a Maryland ADU site plan should show, with an original annotated example covering setbacks, property lines, easements, septic, utilities, parking and the buildable area.

Categories Zoning & Regulations

Thurmont MD ADU Rules 2026: Town Zoning, State Deadline & What to Verify

Updated September 18, 2026 by Gijo John

Thurmont has its own zoning authority and Maryland’s October 1, 2026 ADU deadline is approaching. Learn what the Town currently says, what is still unclear, and what homeowners should verify before buying plans.

Categories Zoning & Regulations

Middletown MD ADU Rules 2026: Town Zoning, County Permits & Rental Licensing

Updated September 18, 2026 by Gijo John

Middletown administers its own zoning while Frederick County handles most building permits. Learn the 2026 ADU transition, zoning-certificate process, review timing, rental licensing and what to verify before buying plans.

Categories Zoning & Regulations

Chesapeake City MD ADU Rules 2026: New Zoning Code, Historic District & Permits

Updated September 18, 2026 by Gijo John

Chesapeake City adopted an entirely new zoning ordinance on September 15, 2026. Learn why older zoning materials may be stale and what ADU homeowners should verify about Planning Commission, Historic District, Critical Area, floodplain and site-plan requirements.

Categories Zoning & Regulations

Rock Hall MD ADU Rules 2026: 850-Sq-Ft Cap, Parking, Setbacks & Rentals

Updated September 18, 2026 by Gijo John

Rock Hall has detailed ADU standards covering detached units, an 850-sq-ft/50% size cap, one bedroom, owner occupancy, parking, setbacks and 90-day rentals. See what needs a 2026 state-law recheck.

Categories Zoning & Regulations

North East MD ADU Rules 2026: Section 6-27, Special Exceptions & Permits

Updated October 10, 2026 by Gijo John

North East has a dedicated ADU ordinance in §6-27. Learn the R-1/R-2 Special Exception route, R-4 Planning Commission approval, one-ADU limit, Town-to-County permit sequence and 2026 issues to verify.

Categories Zoning & Regulations

Brunswick MD ADU Rules 2026: ZTA 26-02, Size, Parking & Detached Units

Updated October 10, 2026 by Gijo John

Brunswick is updating its ADU zoning through ZTA 26-02. Learn the 2026 status, Frederick County vs City jurisdiction, detached-unit and parking checks, and what to verify before buying plans.

Categories Zoning & Regulations

Indian Head MD ADU Rules 2026: Draft 06-01-26, Size, Garage Units & Rentals

Updated September 18, 2026 by Gijo John

Indian Head already has detailed accessory-apartment rules and now lists Draft Ordinance 06-01-26 for ADUs. Learn the legacy 30% internal-unit cap, accessory-building rules, owner occupancy, utilities and what to verify in 2026.

Categories Zoning & Regulations
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