Detached Accessory Building used as tool shed, storage shed, playhouse, or similar use where the floor area is greater than 120 sq. ft. A building permit is not required for under 120 sq. ft.
In California, you are allowed to build two tool and storage sheds, not bigger than 120 square feet of floor area. In Florida, if you live in a rural county, you can build as many sheds as you want. (PDF) In Michigan, only one shed greater than 200 square feet is allowed per residential lot and you will need a permit.
Replacing your water heater? San Jose laws require a permit. But don't worry, we handle the permit process efficiently, avoiding any project delays.
Are shed houses legal in California? In California, the law permits these trendy tiny homes as part of the broader tiny house movement if they comply with all the accessory building regulations.
Storage sheds that are less than 120 square feet and eight feet in height do not require a building permit, but still require Planning Division approval through an over-the-counter application called a Zoning Clearance.
If you've started on a renovation project and recently discovered that you don't have the necessary building permit, you can apply for a retroactive one. If you obtain a retroactive license during or after construction, you can finish your project without tearing down the whole structure.
Submit your application and 3 sets of plans with calculations and specifications to HCD's plan check section. Once the submittal is received in the plan check section, the plan will require 4 to 6 weeks for review.
Skipping a building permit for renovations in California can bring a load of headaches: Fines and Fees: The state can hit you with hefty fines, often $500 or more per day of violation. Project Delays: The local building department might halt work until you get a permit and inspections are done.
Types of Projects That May Be Exempt From a Building Permit in California Painting. Floor upgrades. Kitchen remodels. Small drywall projects. Common electrical work. Small outbuildings. Bathroom fixes. Fences.