Construction Permits & Inspections
When you need a building permit, how to check your local requirements, and how inspections work — orientation for common home projects. General information; always confirm with your local building department (AHJ).
38 articlesOwner-Builder Permit: A Practical Guide
An owner-builder permit guide to eligibility, permits, subcontractors, liability and resale rules, with a documented California example.
Latest in Permits
Building Permit Review Timeline by Project Type
How long permit review takes, from same-day over-the-counter trade permits to months for large commercial work, and the factors that actually drive the wait.
Building Permit Expiration and Extensions
Building permits expire from inactivity, not from a project taking too long. The classic 180-day rule, how activity is measured, how extensions work, and what happens if a permit lapses.
Re-Inspection Fees Explained, and How to Avoid Them
Learn why re-inspection fees vary locally, how to verify the trigger and amount, and how a seven-step readiness gate prevents repeat visits and project delays.
Failed a Building Inspection? The Next Steps
A failed inspection is normal, not a disaster. The correction-notice process, how re-inspection works, the most common failure reasons, and what happens if you ignore it.
Retroactive Building Permit: Process and Penalties
How to legalize work already done without a permit: the after-the-fact permit process, the double-fee penalty, why concealed work has to be exposed, and the risks of leaving it unpermitted.
Building Permit vs Zoning Permit: The Real Difference
A building permit asks whether it is built safely to code; a zoning permit asks whether the use belongs on that land. When you need one, both, or neither, and why zoning usually comes first.
Do You Need a Permit for a Window Replacement?
More often than not, yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Siding Replacement?
It depends, and often the answer is no. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Solar Panels?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Load-Bearing Wall Removal?
Plan on a building permit for load-bearing wall removal, then verify local drawings, engineering, trade permits, inspections, fees, and exemptions.
Do You Need a Permit for a HVAC Replacement (Furnace / AC / Heat Pump)?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a EV Charger?
More often than not, yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Electrical Panel Replacement or Upgrade?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Wood Stove or Fireplace Insert?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for an Accessory Dwelling Unit (ADU)?
Plan on zoning or land-use review plus construction and applicable trade permits for an ADU. Use this workflow to verify local approvals, fees and inspections.
Do You Need a Permit for a Water Heater Replacement?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Sump Pump?
It depends, and often the answer is no. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Swimming Pool?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Skylight?
More often than not, yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Standby Generator?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Shed?
A shed may be exempt from a building permit, but size, height, use, location, utilities, zoning, flood hazards, and local rules can change the answer.
Do You Need a Permit for a Sewer Line Replacement?
Sewer line permit rules vary locally. Learn which agencies to call, which approvals may apply, and what to confirm before excavation and backfill.
Do You Need a Permit for a Roof Replacement (Re-Roof)?
Roof replacement permit rules are local. Learn what to ask about applications, inspections, repairs, solar, skylights, costs, and exemptions.
Do You Need a Permit for a Retaining Wall?
More often than not, yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Pergola or Gazebo?
Pergola and gazebo permits depend on local classification, roof, attachment, setbacks and utilities. Compare local examples and use a practical checklist.
Do You Need a Permit for a Kitchen Remodel?
Learn when a kitchen remodel may need building or trade permits, what to ask your local department, and how to plan inspections before work starts.
Do You Need a Permit for a Hot Tub or Spa?
More often than not, yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Garage Conversion?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Finished Basement?
In most places the answer is yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Fence?
It depends, and often the answer is no. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Driveway?
It depends, and often the answer is no. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Demolition?
Demolition permits are local. Learn what to verify for whole-building, partial, and interior demolition, including utilities, asbestos, waste, and inspections.
Do You Need a Permit for a Exterior Door Replacement?
It depends, and often the answer is no. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Deck?
Learn when a deck permit may be required, which approvals and inspections to expect, and how to check the exact rules for your property.
Do You Need a Permit for a Concrete Patio or Slab?
It depends, and often the answer is no. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Carport?
More often than not, yes. The general rule, which permits apply, inspections, exemptions, and how to check your own jurisdiction.
Do You Need a Permit for a Bathroom Remodel?
Learn when a bathroom remodel may need building or trade permits, what to ask the local authority, which inspections to schedule, and when work may be exempt.