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As of 2010, it is estimated to have approximately 14,545 residents.
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City Hall is open Monday through Friday, 8:30 a.m. to 5 p.m, except for city holidays and weather emergencies.
The Civic Center is located at:200 Civic Center DriveLake Saint Louis, MO 63367
It is near the intersection of Lake Saint Boulevard and Highway 40/61, directly across the street from the Schnucks grocery store.
The City was incorporated in 1975.
In areas zoned residential, trailers and recreational vehicles may be parked on the driveway between 6:00 A.M. and 10:00 P.M. without a permit and between 10:00 P.M. and 6:00 A.M. if the owner obtains a permit from the Lake Saint Louis Police Department. Residents can obtain up to 4 (four) 72 hour non-consecutive permits per calendar year.
Permits may be obtained by contacting the Lake Saint Louis Police Dispatch Center at 636-625-8018.
If you are registered to vote, a few weeks before any election you will receive a postcard telling you where you should vote. Lake Saint Louis has many voting locations. The address will be on your card. It will provide your precinct number and location where you will go to vote.
The City of Lake Saint Louis allows only two garage sales to be conducted at the same location within any calendar year. No garage sale may continue for more than three days. Before conducting your sale, you must notify the Police Department Dispatch Office at 636-625-8018 of the time, date and location of your event as well as the name, address and telephone number of the person or persons responsible for conducting the sale. In general terms garage sale signs are not permitted but signs may be posted on parked vehicles so long as the vehicles are legally parked. You may also place signs on your property, so long as they are in place only on the day and during the hours of the sale. Garage sale signs must be no larger than 5 square feet.
Directional signs which direct potential customers to the sale are permitted in the City right of way as long as they are not larger than 3 sq ft and not taller than 3 feet. The signs can be located one (1) per intersection in any one (1) direction. They cannot be posted for more than one (1) day before and one (1) day after the sale or event and they can only be up for a maximum of three (3 consecutive days).
Contact the Lake Saint Louis Police Department at 636-625-8018.
Contact the Parks and Recreation Department at 636-561-4620 or contact City Hall at 636-625-1200.