Sign Regulations in South Dakota (2026)
11 rules on the books across South Dakota, 3 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Political Signs
Rules for posting political campaign signs on your property, including size limits, how early you can put them up, and when they must come down.
South Dakota: statewide
StatewideFew RestrictionsSouth Dakota has NO codified statewide political-sign statute. SDCL Chapter 31-29 (Advertising Adjacent to Highways)…
Read full rule →Lincoln County
Some RestrictionsPolitical campaign signs are treated as an exception to Lincoln County's off-premises sign standards, exempt from the…
Read full rule →Rapid City
Some RestrictionsRapid City exempts temporary political signs from its sign building permit as long as they stay off the public…
Read full rule →Sioux Falls
Light RestrictionsSioux Falls treats political signs as noncommercial yard signs: no permit needed, but size is capped at 9 square feet…
Read full rule →Digital Billboards
Rules governing digital and electronic billboards, including size limits, brightness and dwell-time standards, and the ongoing legal fight in cities like LA.
Lincoln County
Significant RestrictionsOff-premise signs in unincorporated Lincoln County, South Dakota may not be illuminated or use blinking or flashing…
Read full rule →Rapid City
Significant RestrictionsRapid City lets an existing off-premises sign convert to digital without a new conditional use permit under §…
Read full rule →Sioux Falls
Some RestrictionsSioux Falls permits electronic off-premises billboards only inside ten designated Opportunity Overlay Districts along…
Read full rule →Window Signs
Limits on the percentage of window area that may be covered by signs in storefronts, including transparency rules for safety visibility into businesses.
Rapid City
Some RestrictionsRapid City lets a window sign cover up to 25% of the window area it's displayed in without a sign building permit. Go…
Read full rule →Sioux Falls
Some RestrictionsSioux Falls lets you cover up to 25 square feet of window signage per business without a permit; anything beyond that…
Read full rule →Freeway-Facing Signs
Restrictions on commercial signs visible from freeways, including height, illumination, and outdoor advertising act compliance.
Sioux Falls
Significant RestrictionsOff-premises signs aimed at I-29, I-90, or I-229 traffic are confined to a designated Interstate Opportunity Overlay…
Read full rule →Rapid City
Some RestrictionsOff-premises signs in Rapid City are capped at 250 square feet per face and 30 feet in height, but a sign within 100…
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