Located downtown on the Riverfront just North of the Gateway Arch and Laclede's Landing. We are a family-owned and operated business, looking forward to continued growth and improving our production methods to better serve you now and in the future.


Our company has been in business for over 50 years. Starting out as a sign painting business in the mid 1950s founded by Oscar Sunn and named Sun Signs. In the mid-'60s the company was sold and its name changed to Son Advertising, by this time, the company was well known and respected as a quality commercial spray painting and sign shop in St. Louis. In 1983 the company was sold again to its present owners; and renamed Sonn Signs & Decals.

Address: 1322 Lewis Street, St. Louis, MO 63102

Phone: 314-621-2340  For Estimates: Extension 1003

Toll Free: 800-459-2340

Fax: 314-621-2341

Open: Monday through Friday

Hours: 7am to 3:30pm

1322 Lewis St, St. Louis, MO | 314-621-2340 |

© 2021 Sonn Signs & Decals, Inc. All rights reserved.