You are here:  Sheriff - Adult Detention Center

Captain William Dumas- email Location:
801 South A Street
Fort Smith Arkansas, 72901
Ph. 479-783-4988

Mailing Address:
(For legal and commercial mail only)

Name of Inmate
801 South A Street
Fort Smith, Arkansas 72901

For other types of mail,
visit sending inmate mail


Adult Detention Center

The Sebastian County Adult Detention Center houses all inmates in Sebastian County. The jail has 356 beds. There are 56 deputies that work shifts around the clock protecting our county.

Public information available about any inmate is:

Current status of incarceration, court dates, bond amount and scheduled release date.

Please call 479.783.4988 and follow the instructions to speak to a deputy.

A little history...

Sebastian County Detention Center, located at 801 South A in Fort Smith, was originally constructed in 1995 at a cost of $6,179,646, with “bed space” capacity of 266 inmates.  In comparison, the old jail previous located on the top floor of the Court House, housed a maximum of 77 inmates. We reached maximum capacity of 266 inmates within a month of opening the new facility.

The current jail originally contained 44,700 square feet of housing, administration and cooking areas when constructed in 1995. The design of this facility was made with the intention of adding two (2) more male felony pods (96 more inmate beds) to the rear of the facility.

In 2007 the decision was made to proceed with the expansion, due to overcrowding issues in the jail. The expansion cost for adding an addition 90 inmate beds was $4,142,657.



Fort Smith Court House
35 South 6 St.
Fort Smith, AR

Justice Building
901 South B St.
Fort Smith, AR

Greenwood Courthouse
11 Town Square
Greenwood, AR 72936

Sheriff Department
800 South A Street
Fort Smith, AR  72901


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