Somerset County, Maryland requires building permits and administers zoning through County Planning and Zoning12. Private septic systems and wells are reviewed, permitted and inspected by the Somerset County Health Department's Environmental Health program34. Before buying rural land, confirm the parcel's zoning district, septic feasibility, floodplain status and road-access requirements with the relevant office567.
At a glance
- Building permit
- Required for construction subject to county and state building standards18
- Zoning
- County zoning applies; incorporated municipalities may have distinct rules29
- Septic
- Permit and approval through Somerset County Environmental Health310
- Private well
- A well construction permit is required11
- Tiny home
- Possible if it meets building, zoning, septic and site requirements12
- RV living
- Not confirmed; ask Planning and Zoning about the parcel and proposed use13
- Owner-builder
- A narrow home-improvement exception exists, not a general permit exemption14
Who to call
Building permits
Somerset County Department of Technical and Community Services - Planning and Zoning
County building permits, zoning, planning and floodplain questions; publishes the building permit form, county zoning resources and development fee schedule
11916 Somerset Avenue - Suite 211, Princess Anne, Maryland 21853
Septic permits
Somerset County Health Department - Environmental Health
Perc tests, lot evaluations, septic and private-well permits, system design requirements, inspections and well-water testing
8928 Sign Post Road, Suite 2, Westover, MD 21871
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Somerset County, Maryland?
Yes. Somerset County requires building permits for construction covered by the Maryland Building Performance Standards, and the county's Planning and Zoning office publishes the building permit form1813. Somerset County has adopted the International Building Code and International Residential Code framework, including later versions adopted by Maryland and county amendments15. Permitted work is subject to local inspection, and the local enforcement system provides for appropriate use-and-occupancy certificates1617. The county publishes a development fee schedule, but project-specific amounts should be confirmed with Planning and Zoning before filing18.
Who issues building permits in Somerset County, Maryland?
Somerset County's Department of Technical and Community Services, Planning and Zoning, is the first stop for county building and land-use permits113. The office publishes a building permit form, utility inspection form, energy-compliance forms and the county development fee schedule1913. The official page does not establish a complete list of application attachments or review times, so ask the office what plans, site information and outside approvals your specific project needs19. Incorporated municipalities may have distinct local zoning rules, so identify whether the parcel is inside municipal limits before relying on county zoning information9.
Does Somerset County, Maryland have zoning?
Yes. Somerset County Planning and Zoning administers an adopted zoning ordinance and county zoning map, while the county separately identifies municipality-area zoning resources29. For land in unincorporated Somerset County, minimum lot area, lot width and lot depth depend on the zoning ordinance and can also be affected by health, water, sewer and Critical Area requirements20. Building setbacks are likewise district-specific, and Critical Area buffers or other overlays may change what can be built5. Current countywide minimum dwelling size, lot coverage and height standards were not confirmed; ask Planning and Zoning for a written parcel-specific determination before designing a house or placing an accessory structure13.
How do septic and well permits work in Somerset County?
The Somerset County Health Department's Environmental Health program reviews properties, conducts perc tests, determines septic designs, issues septic and private-well construction permits and inspects both systems34. Maryland requires an approving-authority permit before an onsite sewage system is constructed or altered, and the system cannot be covered or used until it is inspected and approved1021. The soil dataset rates none of Somerset County's mapped soils as free of severe limitations for a conventional drain field, so budget for careful site evaluation rather than assuming a standard system will work22. Many county lot evaluations must occur during the seasonal high-water-table period, so contact Environmental Health before scheduling a perc test4. A construction permit is also required for any new private well in Maryland11.
Can you live in an RV or tiny home in Somerset County?
Somerset County's rules for living in an RV on private land were not confirmed, so ask Planning and Zoning about the parcel's district, duration of occupancy, utility connections and any permit required before relying on an RV as housing13. A tiny house regulated as a dwelling can be permitted if it complies with Maryland's adopted residential code provisions for tiny houses plus local zoning, land-use, utility, septic and site requirements12. County setbacks and minimum lot dimensions vary by zoning district, so a small structure is not automatically exempt from site rules205. The current countywide minimum dwelling size was not confirmed; request the standard for the specific zoning district from Planning and Zoning13.
Building a home in Somerset County: what are the steps?
- Ask Somerset County Planning and Zoning to confirm the parcel's jurisdiction, zoning district, permitted residential use, setbacks, floodplain status and required county applications25613.
- If the property needs private water or sewer, contact Environmental Health early for the lot evaluation, perc test, septic design and well-permit path41011.
- Resolve access: construction or modification of a residential driveway within a Maryland state right-of-way requires coordination and a permit from the applicable highway district office7.
What should you check before buying land in Somerset County?
Confirm the parcel's zoning district, municipal status, legal use, lot dimensions and setbacks with Planning and Zoning before making construction plans9205. Ask Environmental Health whether the parcel has an approved sewage reserve area, when a lot evaluation can occur and whether an existing well or septic system has records4. Conventional drain-field suitability is a serious due-diligence issue because the soil dataset rates none of the county's mapped soils as free of severe limitations22. Check flood maps and wetlands early: development in a mapped floodplain needs local approval, and wetland or waterway work may also require state review623. For a state-road frontage parcel, verify driveway access with the Maryland highway district before assuming a new entrance is allowed7.
Watch-outs
- Somerset County's current RV-occupancy rules were not confirmed; ask Planning and Zoning for a parcel-specific answer before planning to live in an RV during construction13.
- Septic feasibility can control whether a rural lot is buildable because none of the county's mapped soils are rated free of severe limitations for a conventional drain field22.
- A Maryland owner performing a home improvement has a narrow contractor-license-related exception, but that does not create a general exemption from building permits for a new home or all construction14.
Sources
- Somerset County, MD - Planning and Zoning (2026 county census)
- Planning and Zoning (2026 county census)
- Wells & Septics (2026 county census)
- Somerset County Health Department - Environmental Health (somersethealth.org)
- Somerset County Subdivision Ordinance, quoted and re-checked
- Floodplain Permitting in Maryland (Maryland statewide rule), quoted and re-checked
- Access Management/Permits - MDOT SHA (Maryland statewide rule), quoted and re-checked
- Maryland Building Performance Standards, COMAR 09.12.51, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- COMAR 26.04.02.03 On-Site Sewage Disposal Permits (Maryland statewide rule), quoted and re-checked
- Well Construction Permit Applications and Forms (Maryland statewide rule), quoted and re-checked
- COMAR 09.12.51 Maryland Building Performance Standards, quoted and re-checked
- Somerset County Department of Technical and Community Services - Planning and Zoning (somersetmd.us)
- Maryland Business Regulation Article § 8-504 (Maryland statewide rule), quoted and re-checked
- Somerset County Building Code Ordinance No. 1094, quoted and re-checked
- Maryland Building Performance Standards, COMAR 09.12.51, quoted and re-checked
- Maryland Public Safety Article § 12-505 (Maryland statewide rule), quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Somerset County Subdivision Ordinance, quoted and re-checked
- COMAR 26.04.02.02 General Provisions (Maryland statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Nontidal Wetland and Waterway Permits, Approvals and Certifications (Maryland statewide rule), quoted and re-checked
Written September 27, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.