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County building permits

Unincorporated Sangamon County

How to apply for a building permit in unincorporated Sangamon County, Illinois. Permit authority, application steps, fees, and inspection requirements.

Min. permit fee
$50
Last verified
April 2026
On this page 6
§ 01

Permit authority

Sangamon County Department of Building and Zoning

Street address
200 S. Ninth St., Room 234, Springfield, IL 62701
Coverage
All unincorporated areas of Sangamon County and several municipalities via Intergovernmental Agreements (IGAs).
Online portal
Sangamon County Zoning Permits
Custom Website (PDF-based)
§ 02

When a permit is required

Permit triggers and exempt work for Sangamon County

New construction, additions, structural alterations (roofing, siding, windows), accessory structures (sheds, pools, decks), and mechanical/plumbing/electrical systems.

Minor cosmetic repairs (painting, carpeting)
Fences under 6 feet in height (check zoning setbacks)
Retaining walls under 4 feet
Moveable cases, counters, and partitions
  • Exempt Minor cosmetic repairs (painting, carpeting)
  • Exempt Fences under 6 feet in height (check zoning setbacks)
  • Exempt Retaining walls under 4 feet
  • Exempt Moveable cases, counters, and partitions

Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with the Building and Zoning Department before proceeding.

Required documents
  • Site plan or positional diagram
  • Construction drawings (scaled)
  • Contractor registration/license
  • Utility disconnection letters (for demolition)
Building code
2021 IBC, 2021 IRC, 2021 IEBC, 2023 NEC (State Mandated)
Permit validity
Generally valid for 1 year; work must commence within 6 months.
Owner-builder
Owners may perform work on their primary residence but must sign an affidavit and comply with state plumbing/electrical codes.
Contractor requirements
Plumbers must be state-licensed (IDFPR). Roofers must be state-licensed. General contractors must be registered with the county.

Source: Sangamon County Department of Building and Zoning ↗

§ 03

Application process

Typical processing: 5-10 business days for standard residential; longer for commercial.

  1. 01
    Determine if the project is within a municipal boundary or unincorporated area.
  2. 02
    Download and complete the applicable Building Permit Application (Residential, Commercial, or Ag-Exempt).
  3. 03
    Submit application along with a site plan/positional diagram and construction drawings to the Building Safety Section.
  4. 04
    Zoning check followed by Building Safety review.
  5. 05
    Permit issuance upon fee payment.

Typical processing time: 5-10 business days for standard residential; longer for commercial.

Source: Sangamon County Department of Building and Zoning ↗

§ 04

Fee schedule

Effective 2025

Fee type
Amount
01
Minimum permit fee
$50
02
Plan check fee
Included in permit fee for most residential; separate for large commercial
03
Permit fee formula
$5 per $1,000 of value for residential; varies for commercial
04
Reinspection fee
$50 for first reinspection; doubling for subsequent

Checks payable to Sangamon County Zoning

Fees change periodically. Confirm at the official fee schedule ↗ (effective 2025) before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • (217) 753-6760 (at least 24 hours in advance) (phone)
Scheduling deadline
Call at least 24 hours in advance.
Inspection hours
Monday - Friday, 8:30 AM - 3:30 PM

Typical sequence: Typical sequence: Footing, Foundation, Under-slab, Rough-in (Plumbing/Electric/HVAC), Framing, Insulation, Final.

Source: Sangamon County Department of Building and Zoning ↗

§ 06

Frequently asked

Common questions about unincorporated Sangamon County permits

01 Do I need a building permit in unincorporated Sangamon County, IL?
New construction, additions, structural alterations (roofing, siding, windows), accessory structures (sheds, pools, decks), and mechanical/plumbing/electrical systems.
02 How much does a building permit cost in unincorporated Sangamon County, IL?
Building permit fees in unincorporated Sangamon County, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is $50. Fees are calculated as: $5 per $1,000 of value for residential; varies for commercial. Plan check fee: Included in permit fee for most residential; separate for large commercial.
03 How do I apply for a building permit in unincorporated Sangamon County, IL?
To apply for a building permit in unincorporated Sangamon County, IL, follow these steps: 1. Determine if the project is within a municipal boundary or unincorporated area. 2. Download and complete the applicable Building Permit Application (Residential, Commercial, or Ag-Exempt). 3. Submit application along with a site plan/positional diagram and construction drawings to the Building Safety Section. 4. Zoning check followed by Building Safety review. 5. Permit issuance upon fee payment.
04 How long does it take to get a building permit in unincorporated Sangamon County, IL?
Building permit processing times in unincorporated Sangamon County, IL typically run 5-10 business days for standard residential; longer for commercial.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Sangamon County, IL?
Not all construction work requires a permit in unincorporated Sangamon County, IL. The following work is generally exempt: Minor cosmetic repairs (painting, carpeting); Fences under 6 feet in height (check zoning setbacks); Retaining walls under 4 feet; Moveable cases, counters, and partitions. Note: Exempt from building permit does not mean exempt from zoning and planning requirements. Confirm edge cases with the Building and Zoning Department before proceeding. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Sangamon County, IL?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Sangamon County, IL via: (217) 753-6760 (at least 24 hours in advance). Call at least 24 hours in advance..
last verified April 2026 source Sangamon County Department of Building and Zoning ↗ entry id permits/illinois/sangamon/sangamon-county

Educational reference. Permit rules and fees change — confirm current requirements directly with Sangamon County Department of Building and Zoning before applying. Jaspector is not legal advice.