In real estate, a DA — a development application — is the formal request you submit to your local government asking permission to build on, modify, or change the use of a property. Terminology shifts across the country. You may see it called a development permit, a site plan review, or a land-use application. The idea is the same everywhere: before most construction or a change in how a property is used, the local planning department reviews your plans against zoning rules and signs off. Fees, timelines, and specific requirements are set locally, so your planning or building department is always the starting point.
What a Development Application Is Checking For
Every city, county, and township has zoning rules that control what can be built where. Those rules cover building height, setbacks from property lines, how much of a lot a structure can occupy, and whether a given use — residential, commercial, industrial — is allowed on that parcel. A development application lets planning officials confirm your project fits those rules before anyone pours concrete.
The review goes beyond the zoning checklist. Staff also look at how the project will affect local roads, water and sewer capacity, stormwater drainage, and emergency services. The point is to catch traffic problems, flooding, or incompatible uses before they become permanent features of the neighborhood.
Types of Development Approvals
Not every project runs on the same track. Which approval you need depends on what you’re proposing and how closely it matches what the zoning already allows.
- Site plan review is the most common approval for new buildings and major additions. Staff review your layout, parking, landscaping, drainage, and building placement against local codes. Smaller projects may get an administrative, staff-level review; larger ones go to a planning commission.
- Conditional use permit. Some uses are allowed in a zoning district only with conditions attached. A church in a residential zone or a drive-through in a commercial district often falls here. You apply, attend a public hearing, and the planning commission decides whether safeguards like limited hours or extra landscaping make the use appropriate.
- Variance. If your project misses a specific zoning rule — say your building needs to sit two feet closer to the property line than the code permits — you can request a variance from the zoning board of appeals. You’ll need to show the strict rule creates an unnecessary hardship unique to your property and one you didn’t create yourself. Boards usually grant only the minimum relief needed.
- Subdivision approval. Splitting one parcel into two or more lots triggers a separate review to confirm each new lot has proper road access, utility connections, and meets minimum size requirements.
- Rezoning. If your proposed use isn’t permitted at all under the current zoning, you can petition the local governing body to change the classification. This is the most involved path and typically requires multiple public hearings.
Larger projects often need more than one approval. A mixed-use development might require a rezoning, a site plan review, and a conditional use permit, each with its own application, fee, and timeline.
When You Need an Application and When You Don’t
As a general rule, you need a development application or building permit for any project involving new construction, structural changes to an existing building, a change in how the property is used, or work that affects building safety systems like electrical, plumbing, or mechanical. Common triggers:
- New buildings: homes, commercial structures, garages, accessory dwelling units
- Additions and major renovations, including room additions, second stories, and removing structural walls
- Change of use, such as converting a residence to commercial space or switching from retail to a restaurant
- Dividing one lot into multiple parcels
- Significant site work: grading, retaining walls above a certain height, or new driveways that affect the public right-of-way
Many jurisdictions exempt minor work that doesn’t touch the structure or safety systems. Commonly exempt items include replacing roof shingles, swapping windows or doors with the same size and type, painting, installing flooring or cabinets, small storage sheds (often under about 200 square feet), standard residential fences, and ground-level patios. Thresholds differ, so check with your local building department before assuming any project is exempt.
What You’ll Submit
A complete package goes in all at once. Submitting everything upfront is the fastest way to avoid delays, because the review clock typically doesn’t start until the file is complete.
- The application form itself, which asks for the property’s legal description, address, current and proposed use, and the estimated cost of the work.
- Architectural plans: dimensioned floor plans, elevations from each side, and cross-sections. Many jurisdictions require these to be stamped by a licensed architect or engineer above a certain project size or complexity.
- A site plan drawn to scale showing the building footprint on the lot, setbacks from property lines, driveways, parking, landscaping, and utility connections.
- Environmental or stormwater reports where the project’s size or location calls for them, which can include a stormwater management plan or a grading and drainage plan.
- A traffic impact study for larger developments that generate vehicle trips above a locally set threshold.
- Specialized studies for properties in flood zones, historic districts, or near wetlands — things like a flood elevation certificate, heritage impact assessment, or wetland delineation.
If the project involves federal funding, federal permits, or federal land, review under the National Environmental Policy Act may also apply. Minimal-impact actions can be categorically excluded from detailed analysis; moderate-impact projects go through an environmental assessment; projects likely to cause significant effects require a full environmental impact statement.1U.S. Environmental Protection Agency. National Environmental Policy Act Review Process
How the Review Runs
Once your application and filing fee are in, the planning department works through a predictable sequence.
Completeness Check and Fees
Staff first confirm the package is complete. If something is missing, you’ll get a request for more information, and the review clock typically pauses until the file is whole. Fees range from a few hundred dollars for simple permits to several thousand for large commercial projects. Many jurisdictions calculate fees as a percentage of estimated construction cost, often somewhere in the range of 0.5 to 2 percent.
Public Notification
Projects requiring a public hearing — conditional use permits, variances, rezonings, and many site plan reviews — trigger notice to nearby property owners and sometimes a legal notice in a local newspaper. Notification distances and minimum notice periods vary, but commonly fall between 14 and 30 days before the hearing. Neighbors can submit written comments or speak at the hearing.
Staff Review and Site Inspection
Planning staff compare your application to the zoning code, building standards, and comprehensive plan. For larger projects, the file may be routed to traffic engineers, fire marshals, environmental staff, or utility coordinators for technical review. A site inspection is common to verify that conditions on the ground match the plans.
Decision
Administrative reviews are decided by staff. Discretionary approvals like conditional use permits and rezonings are decided by a planning commission or elected body. Timelines range from a few weeks for straightforward projects to several months for complex ones. Reviews as short as three to four weeks and as long as a year have been documented, with most moderate-sized projects landing in a 30-to-90-day range.
Possible Outcomes
An application resolves one of three ways.
- Approval. The project meets applicable standards and can proceed.
- Approval with conditions. The project moves forward only if you meet specific requirements, such as adding a turn lane, installing a boundary fence, limiting hours, or using particular materials. These conditions are legally binding, and violating them can trigger stop-work orders or revocation.
- Denial. The project conflicts with zoning or the comprehensive plan in ways conditions can’t resolve. The denial letter explains the reasons, which matters if you appeal.
Conditions run with the project, not just the applicant. If you sell before or during construction, the new owner inherits every condition. Enforcement comes through inspections at various construction stages, and a certificate of occupancy is usually withheld until all conditions are satisfied.
Approval Expiration and Vested Rights
Approvals don’t last forever. Most jurisdictions set a deadline — commonly one to two years — for beginning substantial construction, after which the approval expires. Extensions are sometimes available if you apply before the deadline, but they aren’t guaranteed.
Once you have an approval and begin meaningful construction in reliance on it, you generally acquire what’s called vested rights. Vested rights protect you from zoning changes adopted after your approval was granted. If the local government rezones your area or adopts new rules while you’re building, those changes typically can’t be applied retroactively to void your permit, as long as you keep moving forward. If construction stalls for an extended period, vested rights can expire.
Filing the application itself may offer some protection. In many jurisdictions, your project is evaluated under the zoning in effect when you submitted a complete application, even if the rules change during review. The strength of that protection varies, so confirm your local rules before relying on it.
Building Without Approval
Starting construction without the required approval or building permit carries real risk. If a code enforcement officer finds unpermitted work, the first consequence is usually a stop-work order halting construction until the situation is resolved. Lifting it typically requires applying for the proper permits after the fact, often with penalty fees that can run double or more the normal permit cost.
The downstream problems last longer than the fine. Banks may refuse to finance a property with unpermitted structures. Title companies can flag the issue during a sale, derailing the deal. Insurers may deny claims tied to unpermitted construction. And if the work doesn’t meet code, you could be ordered to tear it down at your own expense.
If you own a property with existing unpermitted work, whether you did it or inherited it from a previous owner, most jurisdictions offer a path to legalize the structure after the fact. The process involves submitting a building permit application for the existing work, paying the applicable fees and any penalties, and passing inspections to confirm the structure meets safety standards. Bringing unpermitted work into compliance is almost always cheaper than ignoring it.
If Your Application Is Denied
You generally have the right to appeal. The first step is usually an administrative appeal to a zoning board of appeals, sometimes called a board of adjustment. You file within a set deadline — commonly 30 to 60 days after the decision — and pay a separate filing fee.
At the hearing you can present evidence, call witnesses, and argue the denial was wrong under the applicable standards. The board reviews whether the decision followed the law and rested on the facts. If the board upholds the denial, you can generally seek judicial review by filing a petition asking a judge to decide whether the board acted within its authority and based its decision on substantial evidence.
Changing an Approved Plan
Projects rarely come out of the ground exactly as drawn. How you handle a change depends on how big it is.
- Minor changes — correcting a drawing error, shifting a window, or swapping a material — can often be handled through a plan revision reviewed by staff. These go by names like minor amendments or administrative modifications.
- Substantial changes that affect the footprint, height, use, or the conditions of the original approval usually require a formal modification application, and depending on the scope, a new public notice period and another hearing.
If you’re not sure which bucket a change falls into, ask the planning department before you proceed. Making an unapproved change to a permitted project can trigger the same enforcement as building without a permit, including stop-work orders and penalty fees.