Residential solar photovoltaic installations in St. Louis County require both structural and electrical permits, governed by the 2014 NEC and SLCRO Chapter 1102. A licensed electrical contractor must perform the install. Electrical permit fee is $156.
St. Louis County adopted Ordinance #27,654 incorporating solar provisions into Chapter 1102 (Electrical Code). Solar requires permits for structural attachment, electrical interconnection, and fire-department roof-access review. Processing time runs 4-8 weeks. Most municipalities follow the county solar permit framework.
Stop-work; up to $1,000 fine; interconnection refused by Ameren Missouri until permit cleared.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
St. Louis County, MO
New trees may not be planted on a St. Louis County right-of-way between the sidewalk and the curb (SLCRO §1218.140). Existing right-of-way trees are owned by...
St. Louis County, MO
SLCRO §607.1005 permits residential backyard composting countywide if located ≥3 ft behind the main residential structure, screened from neighbors near prope...
St. Louis County, MO
Grass and weeds on residential property in unincorporated St. Louis County cannot exceed 8 inches in height. Property owners have 7 days after a violation no...
St. Louis County, MO
Under Missouri Constitution Article XIV §2, registered patients and adults 21+ may cultivate up to 6 flowering and 6 non-flowering marijuana plants per regis...
St. Louis County, MO
Missouri Amendment 3 (2022) legalized adult-use cannabis. St. Louis County allows licensed dispensaries in commercial zones subject to local zoning review. M...
St. Louis County, MO
SLCRO §1005.095 recognizes subdivision trust indentures — private agreements between trustees and homeowners — as the primary tool for enforcing subdivision-...
See how St. Louis County's panel permits rules stack up against other locations.
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