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
All lodging facilities inside St. Louis County, including transient home rentals booked through Airbnb, VRBO, and similar online purveyors, must file and pay...
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...
See how St. Louis County's panel permits rules stack up against other locations.
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