Building Safety in Lincoln County, SD (2026)
6 rules for unincorporated Lincoln County, South Dakota.
Verified from official government sources
Fire Sprinkler Requirements
Lincoln County, South Dakota has not adopted the fire sprinkler mandates in the 2018 International Residential Code. Lincoln County Code § 151.33 expressly marks R309.5 fire sprinklers, R313.1 townhouse automatic sprinkler systems, and R313.2 one- and two-family dwelling automatic sprinkler systems as 'Not adopted by Lincoln County,' so new houses, townhouses, and detached dwellings built in the unincorporated county are not required to install residential fire sprinklers.
Residential Fire Sprinklers in Lincoln County, SD
Few RestrictionsLincoln County Code § 151.33 (IRC R309.5, R313.1, R313.2)
R309.5 Fire sprinklers. Not adopted by Lincoln County. ... R313.1 Townhouse automatic fire sprinkler systems. Not adopted by Lincoln County. R313.1.1 Design and installation. When automatic residential fire sprinkler systems for townhouses are installed, it shall be designed and installed in accordance with Section P2904 or NFPA 13D. R313.2 One- and two-family dwellings automatic fire systems. ...
Childcare Center Rules
Lincoln County, South Dakota lets a home day care caring for twelve or fewer children stay classified as an ordinary Group R-3 residence under the county's adopted 2018 International Building Code, § 151.48 (305.2.3, 308.5.4). A facility of that size within a dwelling unit does not have to meet stricter institutional occupancy standards, as long as it complies with the International Residential Code instead.
Home Daycare Building Rules in Lincoln County, SD
Light RestrictionsLincoln County Code § 151.48 (IBC 305.2.3, 308.5.4, 423.4)
305.2.3 Twelve or fewer children in a dwelling unit. A facility such as the above within a dwelling unit and having twelve or fewer children receiving such day care shall be classified as a Group R-3 occupancy or shall comply with the International Residential Code. ... 308.5.4 Twelve or fewer persons receiving care in a dwelling unit. A facility such as the above within a dwelling unit and hav...
Building Permits
Unincorporated Lincoln County, South Dakota requires a building or zoning permit for construction covered by its adopted Uniform Building Code, per §§ 151.01, 151.03, and 151.04. Applications go to the Planning and Zoning Director or the Building Inspector, as the Board of County Commissioners designates, and no permit issues until the applicant pays the fee the Board sets by resolution.
Lincoln County SD Building Permit Requirement
Some RestrictionsLincoln County Code §§ 151.01, 151.03, 151.04
§ 151.01 ADOPTION. ... The most recent edition of the Uniform Building Code, as published by the International Conference of Building Officials, is hereby adopted by reference as the official building code of the county. ... § 151.03 APPLICATION FOR PERMITS. Application for all building/zoning permits required by the zoning regulations, subdivision regulations, and building codes shall be submi...
Electrical Permits
Unincorporated Lincoln County, South Dakota adopts the ICC Electrical Code by reference at § 151.18 (amendment 101.4.9), covering installation, alteration, repair, and replacement of electrical systems and administered by the State of South Dakota. The same chapter's amendment 406.1.6(5) still requires ground-fault circuit interrupter protection on bathroom, kitchen-counter, garage, and outdoor receptacles when an existing dwelling's service entrance is upgraded.
Lincoln County SD Electrical Code Rules
Some RestrictionsLincoln County Code § 151.18 (101.4.9, 406.1.6(5))
101.4.9 Electrical. The term ICC Electrical Code shall be mean the ICC Electrical Code as adopted by the State of South Dakota and shall apply to the installation of electrical systems, including alterations, repairs, replacement, equipment, appliances, fixtures, fittings, and appurtenances thereto. ICC Electrical Code shall be administered by the State of South Dakota. ... (5) Ground fault cir...
Plumbing Permits
Unincorporated Lincoln County, South Dakota adopts the ICC Plumbing Code by reference at § 151.18 (amendment 101.4.5), covering installation, alteration, repair, and replacement of plumbing systems connected to water, sewage, or medical gas systems. The county's own ordinance text states the ICC Plumbing Code is administered by the State of South Dakota, not by the county's own building department.
Lincoln County SD Plumbing Code Rules
Some RestrictionsLincoln County Code § 151.18 (101.4.5)
101.4.5 Plumbing. The term ICC Plumbing Code shall mean the ICC Plumbing Code as adopted by the State of South Dakota and shall apply to the installation, alteration, repair, and replacement of plumbing systems, including equipment, appliances, fixtures, fittings, and appurtenances, and where connected to a water or sewage system and all aspects of a medical gas system. ICC Plumbing Code shall ...
Building Inspections
In unincorporated Lincoln County, South Dakota, the Planning and Zoning Director acts as Building Inspector under § 151.02 and must inspect construction at defined stages. Under the county's adopted International Residential Code amendments at § 151.33, a footing inspection (R109.1.1) is required before concrete is poured, and a final inspection (R110.1) must be completed and passed before any building or change of occupancy is used or occupied.
Lincoln County SD Building Inspection Stages
Some RestrictionsLincoln County Code § 151.33 (IRC R109.1.1, R110.1)
R109.1.1 Footing inspection. Inspection of the footing shall be made after poles or piers are set or trenches or basement areas are excavated and any required forms erected and any required reinforcing steel is in place and supported prior to the placing of concrete. The footing inspection shall include excavations for thickened slabs intended for the support of bearing walls, partitions, struc...
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