Construction can start when you can answer yes to every prerequisite your jurisdiction attaches to the work: a valid building permit in hand, zoning and any HOA approval cleared, required environmental and utility-locate steps completed, insurance confirmed, and, in many places, a pre-construction inspection signed off. So the honest answer to the question of when you can start construction is that signing a contract or hiring a crew does not clear you to break ground — a stack of approvals does, and skipping any of them creates exposure ranging from fines to forced demolition.
The Building Permit Comes First
The International Building Code, which most U.S. jurisdictions have adopted in some form, requires anyone who intends to construct, enlarge, alter, or demolish a building to apply for and receive a permit before work begins.1ICC. IBC Chapter 1 Scope and Administration That covers new buildings, major renovations, and system replacements for electrical, plumbing, gas, and mechanical work. The local building department reviews submitted plans against its adopted code edition, confirms the proposed contractor is licensed, and issues the permit once everything aligns.
Applications generally require architectural drawings, a site plan showing the building’s footprint relative to property lines, and engineering details for structural elements like foundations and load-bearing walls. Permit fees and review times vary widely by jurisdiction and project value, from a few days for straightforward work to weeks when multiple departments review the plans.
Not every project needs a permit. Most jurisdictions exempt minor work that doesn’t affect structure or safety: interior painting, replacing cabinets or countertops, installing carpet, building a small storage shed (typically under 200 square feet), and erecting fences below a certain height. Cosmetic changes that don’t touch electrical, plumbing, or structural elements generally fall outside the permit requirement. When in doubt, call the building department before starting. A five-minute phone call beats discovering mid-project that you need a permit you don’t have.
Zoning, HOA, and Notice of Commencement
A building permit confirms the project meets safety codes. It does not guarantee the project fits where you want to put it. Zoning regulations control what can be built on a given parcel: residential versus commercial use, maximum building height, setback distances from property lines, and lot coverage limits. If the project complies with zoning, the permit process handles this automatically. If it doesn’t, you need a variance from the local planning or zoning board before you can get the permit, and that process can add weeks or months to the timeline.
Properties inside a homeowners’ association add another approval layer. Most HOAs require submission to an architectural review committee before any exterior change begins. The committee evaluates whether plans conform to community design standards covering materials, colors, heights, and setbacks that may be stricter than municipal zoning. Starting before HOA approval can result in forced modifications at the owner’s expense, even with a valid city permit.
In roughly a dozen states, the property owner or general contractor must also file a Notice of Commencement before work begins. This recorded document establishes the official project start date and identifies the owner, contractor, and lender. Its main purpose is protecting against surprise mechanic’s liens by putting subcontractors and suppliers on notice about who controls the payment chain. Where required, failing to file can complicate lien disputes later.
Environmental and Safety Steps Before Any Earth Moves
Federal rules impose their own prerequisites, and they apply whether or not the local building department mentions them.
Stormwater Coverage for One-Acre Sites
Any construction project that will disturb one acre of land or more must obtain coverage under the EPA’s Construction General Permit for stormwater discharges before work begins.2US EPA. Stormwater Discharges from Construction Activities The same requirement applies to smaller sites that are part of a larger common development plan that will ultimately disturb an acre or more. Coverage requires submitting a Notice of Intent to the EPA or the state’s authorized agency and developing a Stormwater Pollution Prevention Plan before any earth is moved.3US EPA. 2022 Construction General Permit
The Pollution Prevention Plan maps out how erosion and sediment runoff will be controlled. It identifies where stormwater flows, where soil will be exposed, and what physical controls will be installed: silt fences, sediment traps, temporary ground cover, diversion ditches, and similar measures. The plan must stay on-site and available for inspection, and inspectors expect erosion controls to be in place before grading starts.
Lead-Safe Certification for Older Buildings
If you are renovating a home, child care facility, or school built before 1978, the EPA’s Renovation, Repair, and Painting rule requires the work to be performed by a lead-safe certified contractor. Both the contracting firm and at least one renovator on site must hold current EPA certifications. Homeowners doing work on their own primary residence are exempt, but that exemption disappears if you rent out any part of the home, operate a child care program there, or flip houses for profit.4US EPA. Lead Renovation, Repair and Painting Program Violations can result in civil penalties under the Toxic Substances Control Act for each day of noncompliance.5eCFR. 40 CFR Part 745 – Lead-Based Paint Poisoning Prevention
811 Locates Before Digging
Federal law prohibits excavation, demolition, tunneling, or construction activity in any state with a one-call notification system without first using that system to locate underground utilities.6Office of the Law Revision Counsel. 49 US Code 60114 – One-Call Notification Systems In practice, that means every state. Dialing 811 triggers a request for local utility companies to mark buried gas lines, electrical cables, water mains, and telecommunications infrastructure on the property. Most states require two to ten business days of advance notice before the marks expire and digging can begin.
Hitting an underground gas line can cause explosions, and severing a fiber optic cable can knock out communications for an area. The Pipeline and Hazardous Materials Safety Administration can pursue civil penalties against anyone who damages a pipeline by digging without first requesting a locate.7eCFR. 49 CFR 196.205 – Administrative Civil Penalties State-level penalties add to the federal exposure.
Insurance in Place Before Deliveries
Permits handle the regulatory side. Insurance handles what happens when something goes wrong on site. Three types matter, and all should be confirmed before the first materials arrive.
General liability insurance covers property damage and bodily injury claims against the contractor on someone else’s property. It runs year-round and follows the contractor from job to job. Ask for a current certificate of insurance before hiring. If the contractor’s policy has lapsed, the property owner can inherit liability for damage or injuries on site.
Builders risk insurance protects the structure under construction and the materials on site against fire, theft, and vandalism. Unlike general liability, it is project-specific and expires at completion. It should be active before materials are delivered, not just before vertical construction begins.
Workers’ compensation is required in nearly every state once a contractor has employees, though the employee-count threshold varies. If the contractor does not carry it and a crew member is injured on the property, the claim can travel up to the property owner in many states. Verifying current workers’ compensation coverage is one of the simplest ways to avoid a catastrophic out-of-pocket expense.
Allowed Hours Once You Can Start
Holding a valid permit does not mean you can run equipment at midnight. Local noise ordinances set the window during which construction activity is allowed, and these rules operate independently of the building permit. A common framework across many municipalities allows construction on weekdays from around 7 a.m. to 6 or 7 p.m., with shorter Saturday hours and restrictions or outright prohibitions on Sundays and federal holidays.
These windows are enforced through noise complaints. A neighbor calls, code enforcement responds, and a crew running a jackhammer at 6:30 a.m. on a Saturday where work cannot start until 9 is looking at a warning or a fine. Repeat violations can escalate to stop-work orders. Some jurisdictions offer a special after-hours permit for work that genuinely cannot happen during normal hours, such as a continuous concrete pour or road work that would snarl daytime traffic. Those permits are the exception.
The Pre-Construction Inspection
In many jurisdictions, getting the building permit does not mean you can immediately start pouring concrete. A pre-construction inspection is a final checkpoint where a municipal inspector visits the site to verify that initial preparations match the approved plans. This meeting also establishes the inspection schedule for the rest of the project and identifies any site-specific requirements.
The inspector looks for erosion controls already in place, proper site grading, and confirmation that the building footprint matches the approved site plan. Early-stage elements that need sign-off before you move forward include excavation for the foundation and placement of footings before concrete is poured. The rule is simple: the inspector must see the work before it gets covered up. Pour concrete over footings without an inspection, and you may be ordered to demolish it and start over.
Inspectors also have the authority to make unscheduled visits throughout the project. If they find that work has advanced past a checkpoint without approval, they can halt the project until compliance is verified.
What Happens If You Start Without Permission
The penalties for jumping the gun are designed to hurt enough that people do not try it twice.
Stop-Work Orders
The most immediate consequence is a stop-work order from the building official. This legally binding notice requires all construction activity to cease on the spot and stays in effect until the project is brought into compliance. Working through a stop-work order compounds the violations and can turn an administrative problem into a criminal one. Any code enforcement officer who drives past an active site and spots a problem can trigger the process.
Financial Penalties
Fines vary by jurisdiction but can be substantial. Many localities double or triple the standard permit fee as a penalty when work starts without authorization, and daily fines can accumulate for each day the violation continues. If the unpermitted work cannot be brought up to code, the building authority can order demolition or removal at the owner’s expense. Tearing out a finished basement because the framing does not meet code and was never inspected is the kind of outcome that makes permit fees look trivial.
Insurance Claim Denials
Insurance companies treat unpermitted work as negligence. If damage results from work that should have been permitted but was not, a homeowners’ insurance carrier can deny the claim. A flood caused by unpermitted plumbing or a fire traced to unpermitted electrical work are scenarios where the insurer walks away and the homeowner pays out of pocket. Discovery of unpermitted work can also lead to premium increases or outright policy cancellation.
Problems When You Sell
Unpermitted work creates headaches that outlast the project by years. Lenders may refuse to approve a mortgage on a property with known unpermitted additions, which shrinks the buyer pool. Appraisers may exclude unpermitted square footage from their valuation, meaning a bedroom added without a permit might contribute nothing to the appraised value. In most states, sellers are legally required to disclose unpermitted work they know about, and failing to disclose can expose the seller to a lawsuit after closing. The cheapest time to get the permit is always before the work starts.