On this page 5
§ 02
When a permit is required
Permit triggers and exempt work for Buffalo Grove (Lake County Portion)
New construction, additions, structural remodeling, decks, fences, patios, solar panels, and EV chargers
Cosmetic work (painting, flooring)
Siding, gutters, soffits, and fascia
- Exempt Cosmetic work (painting, flooring)
- Exempt Siding, gutters, soffits, and fascia
Note: Verify exemptions with the department; Lake County WDO may affect some work
Required documents
- Online permit application
- Digital construction plans
- Plat of survey
- Building code
- 2018 IBC, 2018 IRC, 2018 IEBC (Compliant with PA 103-0510). Buffalo Grove is a Certified Community and enforces the Lake County WDO locally. Projects on private systems require Lake County Health Department approval
- Contractor requirements
- Contractors must be properly licensed
§ 03
Application process
Typical processing: Varies; contact department
- 01 Register/Login to the Buffalo Grove BS&A Online Portal
- 02 Complete the online permit application and upload required digital plans
- 03 For Lake County properties: Verify if a Watershed Development Permit (WDP) is required (soil disturbance > 5,000 sq. ft. or floodplain work)
- 04 Coordination with Lake County Public Works for water and sewer connections may be required
- 05 Village staff reviews for 2018 ICC compliance
- 06 Pay fees online and obtain the permit
Typical processing time: Varies; contact department
§ 04
Required inspections
Scheduling and sequence
How to schedule
- BS&A online portal (online)
- Inspection hours
- Standard business hours
Typical sequence: Rough and final inspections as specified by the Building Department
§ 05
Frequently asked
Common questions about Buffalo Grove (Lake County Portion) permits
01 Do I need a building permit in Buffalo Grove (Lake County Portion), IL? ▸
New construction, additions, structural remodeling, decks, fences, patios, solar panels, and EV chargers
02 How do I apply for a building permit in Buffalo Grove (Lake County Portion), IL? ▸
To apply for a building permit in Buffalo Grove (Lake County Portion), IL, follow these steps: 1. Register/Login to the Buffalo Grove BS&A Online Portal 2. Complete the online permit application and upload required digital plans 3. For Lake County properties: Verify if a Watershed Development Permit (WDP) is required (soil disturbance > 5,000 sq. ft. or floodplain work) 4. Coordination with Lake County Public Works for water and sewer connections may be required 5. Village staff reviews for 2018 ICC compliance 6. Pay fees online and obtain the permit
03 How long does it take to get a building permit in Buffalo Grove (Lake County Portion), IL? ▸
Building permit processing times in Buffalo Grove (Lake County Portion), IL typically run Varies; contact department. Timelines can vary based on project complexity and current department workload.
04 What work is exempt from building permits in Buffalo Grove (Lake County Portion), IL? ▸
Not all construction work requires a permit in Buffalo Grove (Lake County Portion), IL. The following work is generally exempt: Cosmetic work (painting, flooring); Siding, gutters, soffits, and fascia. Note: Verify exemptions with the department; Lake County WDO may affect some work When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in Buffalo Grove (Lake County Portion), IL? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Buffalo Grove (Lake County Portion), IL via: BS&A online portal.
last verified April 2026
source Department of Community Development ↗
entry id permits/illinois/lake/buffalo-grove
Educational reference. Permit rules and fees change — confirm current requirements directly with Department of Community Development before applying. Jaspector is not legal advice.