How to estimate your permit fees before you apply

The permit fee is one of the few project costs you can know almost exactly before you spend anything, because it comes out of a published table rather than a negotiation. Most people never look the number up in advance, and then meet it for the first time at the permit counter, where it is too late to plan around. Here is the method we use for every city we build, broken into steps you can run for any city in about twenty minutes.

Step 1: Find the official fee schedule

Start at your city's development services or building permits page and look for "fee schedule," "fee ordinance," or "permit fees." The schedule is usually a PDF adopted by ordinance and updated on a cycle, often at the start of the fiscal year. Check the date on the document: schedules change, and an old PDF floating around a forum is a common source of wrong numbers. If the city publishes an online fee calculator of its own, note it, but still find the schedule; the table is the source of truth, and you will want it for step 4.

Step 2: Identify the pricing method for your project type

Fee schedules are organized by project or permit type, and different rows use different methods. Find the row for your project, new single-family home, addition, remodel, accessory structure, pool, and see how it is priced: tiered square-footage brackets, a percentage of project valuation, per-trade charges, or a flat fee. Do not assume the method from another city's schedule, or even from another row of the same schedule. Remodels and new construction in the same city routinely price by entirely different logic. (Our guide to how fees are calculated explains each method.)

Step 3: Work the base table with your real numbers

Now do the arithmetic with your actual project: your square footage if the table reads size, your honest project valuation if it reads value. Work tiered tables block by block, the first block at the first rate, the next block at the next rate, never the whole size at a single rate. Respect the minimum fee; if your computed number falls below it, the minimum is your number. A quick reality check from a city we cover: in Fort Worth, under the current published schedule, a 2,000 square foot home works out to $1,171 and a 3,000 square foot home to $1,551, less than proportional growth, because the tiers step down. If your math shows a fee growing faster than your project, you probably applied one rate to the whole size.

Step 4: Add the extras, one by one

The base fee is the beginning, not the total. Go back through the schedule and your project's scope and list every applicable add-on: the plan review fee (often a percentage of the base), trade permits for each system your project touches, application or technology fees, and, for new construction, impact fees and utility connection charges, which may live in a separate ordinance or district schedule. This step is where most home-grown estimates fail, because the extras are scattered across documents. Write each one down with its source line so you can defend the total later.

Step 5: Budget a range, then confirm

Even careful estimates meet project-specific items at review, so budget the total as a range, your computed figure at the low end and a modest cushion above it, rather than as a single brittle number. Then close the loop: a short call or visit to the permit office with your project description will confirm the figure before you finalize bids. Reviewers answer this question all day, and arriving with a table-based estimate makes the conversation short and precise.

The shortcut

If we cover your city, steps 1 through 4 are already done: the city estimators on this site encode the published tables, including brackets and the common add-ons, and show their source and verification date. Run your project there, then use step 5 the same way. If we do not cover your city yet, the method above is exactly how we would do it, and it works anywhere a schedule is published, which is nearly everywhere.

One last word on timing: estimate early, before design is final. Fee brackets reward knowing your numbers while the plans can still change. Shrinking an addition slightly, or phasing a project, occasionally drops it into a cheaper bracket or under a size threshold, and that is a decision you can only make before you apply. Permit fees are a small line in a project budget, but they are one of the only lines you can know for certain in advance. Take the free certainty.