Which remodeling projects need a permit in St. Charles County?

The rule of thumb

If the work changes structure, adds or moves wiring, adds or moves plumbing or gas, alters heating and cooling, or creates new living space, expect to need a permit. If the work replaces a finish with a similar finish, such as paint, flooring, cabinets in the same location, countertops or a faucet, you generally do not.

Projects that almost always need one

The following are consistently permitted work across the jurisdictions we build in.

• Finishing a basement or any part of one
• Adding a bathroom anywhere
• Decks attached to the house or more than thirty inches above grade
• Screened porches, patio roofs and additions
• Removing or altering a load-bearing wall
• Egress windows cut into a foundation
• New circuits, panel changes and service upgrades
• Water heater and furnace replacement in many cities
• Re-siding and re-roofing in some cities

Projects that usually do not

Interior and exterior painting, flooring, trim, like-for-like cabinet and countertop replacement, replacing a toilet or faucet, and same-size window replacement in most places. Even so, HOA approval may still be required for anything visible outside.

Why permits are worth the trouble

An inspector is a second set of trained eyes on the framing, wiring and plumbing before it disappears behind drywall, at very low cost. Permitted square footage shows up in county records, which supports your appraisal. Unpermitted work can complicate a sale when a buyer's inspector or lender notices the discrepancy, and an insurer may question a claim linked to unpermitted electrical work. The permit fee is a minor part of any project budget.

How the process works

For a basement or deck, the contractor submits a simple plan: dimensions, wall locations, electrical layout, egress and, for decks, footing and framing details. Review takes anywhere from a few days to a few weeks depending on the city and season. Inspections happen at stages, typically footing, framing, rough electrical, rough plumbing, mechanical, insulation and final. Additions and structural changes need more detailed drawings and sometimes an engineer's stamp.

Who should pull it

The contractor doing the work should pull the permit. When a contractor asks the homeowner to pull it, the homeowner becomes the responsible party of record. That is sometimes a sign that the contractor cannot register with the city or lacks required insurance. We pull permits for every job that requires one, and the cost appears as a line on the proposal.