Building Permits
Building Safety
When a building permit is required, new work, renovations, reroofing, decks, the small-project exemptions, and what unpermitted work costs when it surfaces at sale or inspection.
How Building Permits Rules Differ by Place
Thousand Oaks, CA: Building Safety: Roofing Permits
Heavy RestrictionsThousand Oaks requires Class A roof coverings on all new construction citywide, not just in designated wildfire zones, by deleting the California Building Code's normal allowance for…
New York, NY: NYC Deck and Patio Permit Requirements
Heavy RestrictionsMost deck construction in NYC requires a building permit from DOB. Decks attached to buildings or elevated above grade need structural plans. The minimum DOB permit filing fee is $130…
Herndon, VA: Building Safety: Building Permits
Heavy RestrictionsHerndon enforces the Virginia Uniform Statewide Building Code (USBC) through its Department of Community Development. Building permits are required for new construction, additions…
Ventura County, CA: Ventura County Deck & Patio Permit Rule
Few RestrictionsUnincorporated Ventura County exempts low patios, paving, and decks from zoning entitlement across every base zone.
Indianapolis, IN: Indianapolis Reroofing Permit Exemption
Few RestrictionsIn the Consolidated City, listed contractors and owner-occupants can reroof a one- or two-family home without a permit unless the job changes roof configuration, adds covering weight…
Suffolk County, NY: Suffolk County Building Permits Cover Only County Buildings
Few RestrictionsSuffolk County's own building-permit law under Chapter 344 applies only to buildings the county itself owns. For a home or business anywhere in Suffolk County, the building permit…
Cities & Counties with Building Permits Rules
575 locations
Alabama
Virginia
Other Building Safety Topics
Lead Paint
Local lead-paint rules for older housing, hazard abatement orders, inspection triggers, and how local requirements sit alongside the federal disclosure and RRP rules.
Elevator Maintenance
Inspection schedules, maintenance requirements, and safety certifications for residential and commercial elevators and escalators.
Scaffold & Sidewalk Shed
When scaffolding or sidewalk sheds are required on building facades, how long they can remain, and maintenance and lighting requirements.
Fire Sprinkler Requirements
When residential and commercial buildings must install fire sprinkler systems, including new-construction triggers and major-renovation thresholds.
Childcare Center Rules
Building safety standards specific to family childcare homes and centers, including egress, sprinklers, lead and asbestos clearances, and outdoor play standards.
Door Locking Hardware
Code requirements for emergency-egress door hardware, including thumb-turn locks, panic bars, and one-action egress required by the building code.
Anti-Mansionization
Floor-area-ratio (FAR) and bulk limits added to single-family zones to prevent oversized rebuilds, including LA's Baseline Mansionization Ordinance updates.
Green Building Code
CALGreen and equivalent state green building codes, plus reach codes that go further (electric-only new construction, EV-readiness, low-VOC materials).
Carbon Monoxide Detectors
Where CO detectors are required (typically near sleeping areas in homes with fuel-burning appliances or attached garages), and seller/landlord deadlines.
Electrical Permits
Which electrical work (panel upgrades, EV chargers, solar inverters, sub-panels) requires a licensed-electrician permit vs. an owner-builder permit.
Plumbing Permits
Which plumbing work (water heaters, sewer-line replacement, repipe, gas-line) requires a permit, and which minor repairs are typically exempt.
Building Inspections
Required inspection types (rough framing, electrical, plumbing, final), how to schedule, what inspectors look for, and how to handle a failed inspection.