On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Weldon Spring
Building and land use permits, excavation permits, signs, and other regulated development activity handled by Community Development and/or St. Charles County under contract
No consolidated public exemption list was located on the public page reviewed
- Exempt No consolidated public exemption list was located on the public page reviewed
Required documents
- When a permit is required: Building and land use permits, excavation permits, signs, and other regulated development activity handled by Community Development and/or St. Charles County under contract
- Required documents: Multipurpose and Land Use Permit form or other city application, project plans, supporting documents, and any County code materials required for building permits
- Permit validity/expiration: Not clearly posted on the public page reviewed
- Owner-builder rules if available: Not clearly posted on the public page reviewed
- Contractor license requirements: For building permits, questions route through St. Charles County Building and Code Enforcement
- Building code adopted: City states St. Charles County issues building permits for projects within the City and the City has adopted the same codes as the County, including the 2021 International Building Code
- Building code
- City states St. Charles County issues building permits for projects within the City and the City has adopted the same codes as the County, including the 2021 International Building Code
- Permit validity
- Not clearly posted on the public page reviewed
- Owner-builder
- Not clearly posted on the public page reviewed
- Contractor requirements
- For building permits, questions route through St. Charles County Building and Code Enforcement
§ 03
Application process
Typical processing: Minimum 15 to 25 working days for most projects under the City staff review process
- 01 Start with Weldon Spring Community Development to determine zoning, land use, excavation, and permit form requirements
- 02 Use the Multipurpose and Land Use Permit form where directed by the City
- 03 For building permits, coordinate with the St. Charles County Building and Code Enforcement Division under the City's service contract
- 04 Resolve staff review comments; the City's development review guide states most projects take a minimum of 15 to 25 working days for review
- 05 Pay any required city and county fees
- 06 Permit is issued and inspections are coordinated through the applicable city/county reviewers
Typical processing time: Minimum 15 to 25 working days for most projects under the City staff review process
§ 04
Fee schedule
Weldon Spring building permit fees
Fee type
Amount
01
Minimum permit fee
Not clearly posted on the public page reviewed
02
Plan check fee
Not clearly posted on the public page reviewed
03
Permit fee formula
Depends on permit type and whether County code review is involved
04
Reinspection fee
Not clearly posted on the public page reviewed
Applicants may encounter both city application fees and County building permit fees depending on permit type
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Coordinate through the applicable City or County contact after permit issuance ()
- Inspection hours
- Not clearly posted
Typical sequence: Zoning/site compliance review first where needed, then County building inspections for structural work
§ 06
Frequently asked
Common questions about Weldon Spring permits
01 Do I need a building permit in Weldon Spring, MO? ▸
Building and land use permits, excavation permits, signs, and other regulated development activity handled by Community Development and/or St. Charles County under contract
02 How much does a building permit cost in Weldon Spring, MO? ▸
Building permit fees in Weldon Spring, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Not clearly posted on the public page reviewed. Fees are calculated as: Depends on permit type and whether County code review is involved. Plan check fee: Not clearly posted on the public page reviewed.
03 How do I apply for a building permit in Weldon Spring, MO? ▸
To apply for a building permit in Weldon Spring, MO, follow these steps: 1. Start with Weldon Spring Community Development to determine zoning, land use, excavation, and permit form requirements 2. Use the Multipurpose and Land Use Permit form where directed by the City 3. For building permits, coordinate with the St. Charles County Building and Code Enforcement Division under the City's service contract 4. Resolve staff review comments; the City's development review guide states most projects take a minimum of 15 to 25 working days for review 5. Pay any required city and county fees 6. Permit is issued and inspections are coordinated through the applicable city/county reviewers
04 How long does it take to get a building permit in Weldon Spring, MO? ▸
Building permit processing times in Weldon Spring, MO typically run Minimum 15 to 25 working days for most projects under the City staff review process. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Weldon Spring, MO? ▸
Not all construction work requires a permit in Weldon Spring, MO. The following work is generally exempt: No consolidated public exemption list was located on the public page reviewed. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Weldon Spring, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Weldon Spring, MO via: Coordinate through the applicable City or County contact after permit issuance.
last verified April 2026
source City of Weldon Spring Community Development ↗
entry id permits/missouri/st-charles/weldon-spring
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Weldon Spring Community Development before applying. Jaspector is not legal advice.