| Business | Phone |
| 708 Board 707 E Etna Rd, Ottawa 61350 | (815) 434-0708 |
| La Salle County Child Support 119 W Madison St 200, Ottawa 61350 | (815) 433-0774 |
| La Salle Cnty Data Processing 707 E Etna Rd # 146, Ottawa 61350 | (815) 434-8225 |
| La Salle Cnty Insurance Bnfts 707 E Etna Rd, Ottawa 61350 | (815) 434-8244 |
| La Salle Cnty Jury Commission 707 E Etna Rd B10, Ottawa 61350 | (815) 434-8293 |
| La Salle County School Health 119 W Madison St 100, Ottawa 61350 | (815) 434-8661 |
| La Salle County Civil Div 119 W Madison St 201, Ottawa 61350 | (815) 434-8671 |
| La Salle County Coroner 707 E Etna Rd # 144, Ottawa 61350 | (815) 434-8268 |
| La Salle County Maintenance 119 W Madison St, Ottawa 61350 | (815) 434-8681 |
| La Salle County Marriage Lcns 707 E Etna Rd # 161, Ottawa 61350 | (815) 434-8204 |
| La Salle County Microfilm-Ptg 707 E Etna Rd # 159, Ottawa 61350 | (815) 434-8214 |
| La Salle County Offices 707 E Etna Rd 247, Ottawa 61350 | (815) 434-8200 |
| La Salle Cnty Insurance Bnfts 707 E Etna Rd 248, Ottawa 61350 | (815) 434-8243 |
| La Salle County Probate Div 119 W Madison St # 201, Ottawa 61350 | (815) 434-8665 |
| La Salle County Coroner 707 E Etna Rd 144, Ottawa 61350 | (815) 434-8267 |
| La Salle County Recorder's Ofc 707 E Etna Rd 269, Ottawa 61350 | (815) 434-8226 |
| La Salle County Regional Offc 119 W Madison St 102, Ottawa 61350 | (815) 434-8684 |
| La Salle County Microfilm-Ptg 707 E Etna Rd 161, Ottawa 61350 | (815) 434-8212 |
| Maintenance Engineer 707 E Etna Rd, Ottawa 61350 | (815) 434-8278 |
| Veteran's Assistance 119 W Madison St, Ottawa 61350 | (815) 433-1761 |