NBI® Illinois Service Areas
Professional building inspection services throughout Illinois & Northern Indiana, with comprehensive coverage from Chicago to Springfield, Aurora to Rockford, and everywhere in between.
Major Service Areas
Downtown, Loop, River North, and all Chicago neighborhoods
Population:2.7M
Coverage:Complete metro area
DuPage County's premier business district
Population:148K
Coverage:DuPage & Will Counties
Kane County's largest city and growing business hub
Population:180K
Coverage:Kane & Kendall Counties
Will County seat and transportation center
Population:150K
Coverage:Will County
Northern Illinois manufacturing and business center
Population:148K
Coverage:Winnebago County
Northwest suburban Chicago business and industrial center
Population:33K
Coverage:Cook County
State capital and government center
Population:114K
Coverage:Sangamon County
Kane County business and residential center
Population:108K
Coverage:Kane County
Lake County seat and industrial center
Population:89K
Coverage:Lake County
Northern Indiana industrial and transportation hub
Population:69K
Coverage:Lake County, IN
Northwest Indiana manufacturing center
Population:77K
Coverage:Lake County, IN
Northern Indiana business and education center
Population:103K
Coverage:St. Joseph County, IN
Central Illinois river city and medical hub
Population:113K
Coverage:Peoria County
Northwest suburban Chicago retail and office center
Population:78K
Coverage:Cook County
East-central Illinois university and technology center
Population:88K
Coverage:Champaign County
Twin cities and McLean County business center
Population:130K+
Coverage:McLean County
Central Illinois manufacturing and logistics hub
Population:70K
Coverage:Macon County
County Coverage - Illinois & Northern Indiana
Cook County
DuPage County
Lake County
Kane County
Will County
McHenry County
Kendall County
Winnebago County
Sangamon County
Champaign County
McLean County
Peoria County
Tazewell County
Woodford County
Macon County
Madison County
St. Clair County
DeKalb County
Boone County
Lake County, IN
Porter County, IN
LaPorte County, IN
St. Joseph County, IN
Response Time
Quick quotes and scheduling
1 business day
Coverage
Regional service area
Illinois & Northern Indiana
Ready to Schedule Your Inspection?
Contact us today to discuss your project and receive a customized quote for your location.