​The following schedule is in effect for the Christmas holiday:

Monday, December 24th: All offices close at 3p. No evening activities or groups will be held

Tuesday, December 25th: All offices are closed

Interested in working for EMASS?

Eastern Missouri Alternative Sentencing Services is an Equal Opportunity Employer dedicated to treating our clients with dignity and respect. Excellent Benefits, as well as 401k with company match available. 


Administrative Assistant: Full-Time position available in the Corporate Office in St. Charles. The incumbent needs strong communication and customer service skills. 

SATOP Administrator/Clinical Services Administrator: Full-Time position out of the Corporate Office in St. Charles. This position involves management of all facets of the SATOP program at EMASS.

Corporate Office

8 Westbury Drive
Saint Charles, Missouri 63301
Phone: 636-946-2815
EM Phone: 636-946-5315
Fax : 636-946-1568

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Florissant

71 Florissant Oaks Shopping Center
​Florissant, Missouri 63031
Phone: 314-921-5481
​Fax: 314-831-7828

Hillsboro

481 Maple Street, Suite B
​Hillsboro, Missouri 63050
Phone: 636-797-8282
​Fax: 636-797-8150

Montgomery City

211 East 3rd Street
Montgomery City, Missouri 63361
EMASS is located at the top level of the Courthouse
Phone: 573-564-8093

O'Fallon

201 O'Fallon Plaza
​O'Fallon, Missouri 63366
Phone: 636-281-3001
​Fax: 636-281-3041

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Overland

9648 Midland Boulevard
Overland, Missouri 63114
Phone: 314-872-1915
​Fax: 314-872-1927

Saint Louis City

3819 South Grand Boulevard
Saint Louis, Missouri 63118
Phone: 314-664-9555
​Fax: 314-664-0555

Troy

415 East Cherry Street
​Troy, Missouri 63379
Phone: 636-528-6517
​Fax: 636-528-0153

Union

314 East Locust Avenue
Union, Missouri 63084
Phone: 636-584-7772
​Fax: 636-584-7989

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Warrenton

104 South Market Street
​Warrenton, MO 63383
Phone: 636-456-5573
​Fax: 636-456-5591

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