How do you decide which projects actually need a town permit?

The visibility rule is usually the best way to decide what needs a permit when you're dealing with a strict town hall. If a code enforcement officer can see a contractor's truck or a giant pile of debris from the street, you're going to get a knock on the door. Garage doors are the biggest risk here. They’re massive, they take hours to install, and everyone on the block will see the old panels sitting on your lawn. If your town is as slow as you say, a garage door is one of those things that's hard to hide.

But for interior doors or even a standard entry door replacement, I wouldn't even think about calling the city. As long as you aren't changing the **rough opening** or cutting into the studs, it’s basically maintenance. I’ve swapped out dozens of drafty exterior doors without a permit. The trick is to have everything ready to go so the door isn't off the hinges for more than an hour or two. If the new door looks similar to the old one, nobody is ever going to know it was changed. The garage door is a diffrent beast becasue of the spring tension and safety sensors. Towns love to permit those because they can cite safety concerns, but realy it's just a revenue grab. If you decide to skip the permit, do the work on a Saturday morning when the inspectors are home in bed. Don't leave the packaging or the old door out by the curb for a week. Rent a small trailer or use a truck to get the old materials to the dump immediately. Fascia and trim are almost never worth the paperwork. Unless you're replacing the actual rafters or doing a full roof tear-off, it’s just cosmetic upkeep. When you eventually sell the place, a private home inspector is looking for **unpermitted additions** or dangerous DIY electrical. They aren't going to check the permit history for a piece of aluminum trim or a new garage door motor. Stick to permitting the big stuff like the electrical and the HVAC, and just handle the rest quietly.

That Saturday morning tip for the garage door is a solid plan, but I'm curious if neighbors ever report stuff like that? My block is pretty quiet, but there's always one person watching.

Also, you mentioned the rough opening—if I’m just buying a standard pre-hung door to replace my front one, does that usally keep the frame exactly the same? I’m terrified of accidentally touching a structural stud and getting in over my head. And if I do skip the permit for the garage door, does that ever bite you with homeowners insurance if somethig goes wrong later? Just trying to weigh the risk of a fine versus a denied claim.

A pre-hung door includes the frame, so you're pulling the old one out of the rough opening. As long as the new unit fits that existing hole, you aren't messing with the structural header or studs. You're just shimming and nailing. One thing people overlook is the door between the garage and the living space. If you swap that, make sure it’s a fire-rated assembly. Home inspectors always check for that self-closing hinge and the fire label during a resale. If that’s missing, it’s a red flag regardless of the permit. For regular entry doors, just match the color of the old one and the town will never know.