Permeable resin-bound surfacing can count toward stormwater compliance in Naples only as part of a permeable pavement system the city recognizes: a section designed by a Florida licensed professional engineer to infiltrate and store rainfall, with stone layers over a subgrade that drains at least 2 inches per hour. The code's example surfaces are porous asphalt, pervious concrete, permeable pavers and porous pavers, and the list isn't closed, so whether a resin-bound surface over Rock Crete and a stone reservoir can serve as the top layer is the Streets and Stormwater Department's decision.
Naples wrote these rules into its 2021 stormwater ordinance, which gives designers clear targets. It also means an overlay on an existing driveway doesn't qualify for anything, because the code describes the whole section, not the finish.
What the 2021 Naples stormwater code says about permeable pavement
Ordinance 2021-14654 and its Stormwater Standards Handbook took effect July 16, 2021. The code defines a permeable pavement system as an engineer-designed section that infiltrates and stores rainfall while carrying traffic, generally with up to five layers: the permeable surface, a gravel bedding course, a stone choker course, a stone reservoir and a subgrade infiltrating at least 2 inches per hour. These systems may be used in a site's stormwater design and are counted in both the quantity and storage calculations, but they must sit at least 18 inches above the wet season water table.
Storage minimums are firm. Projects at or below 40 percent impervious need at least 0.5 inch of retention or 1.25 inches of detention; above 40 percent, it's 1.0 inch of retention or 2.5 inches of detention. Compacted limerock isn't considered permeable, and for projects that also need a South Florida Water Management District or Florida Department of Environmental Protection permit, the volume reductions those agencies normally allow aren't permitted under the city's criteria.
The city's 2021 code FAQ also lets a homeowner whose property has no existing stormwater system offset a new pool, deck or lanai by replacing a paved driveway with a permeable pavement system, as long as the net increase in impervious area stays at 250 square feet or less.
Utility bill credits and the inspections that keep them
Properties with approved best management practices can earn a credit on the stormwater utility bill, capped at 25 percent in total. Permeable pavement driveways and sidewalks within the front-yard setback are on the eligible list, alongside rain gardens, cisterns and extra storage volume. A Florida licensed professional proposes the percentage for each practice and submits it for the city's approval.
Credits have to be maintained: the system must be inspected by a licensed professional by every third anniversary of the credit's approval, or the credit is discontinued. Separately, for systems the city regulates, it can require a routine inspection no more than once in five years, with a surcharge of 50 percent of the stormwater bill (at least $100 a month) if the paperwork isn't filed. Systems permitted by SFWMD or the Florida Department of Environmental Protection are left to those agencies. Build vacuum cleaning into the maintenance plan from day one.
High water tables, Naples Bay and the beach outfalls
The 18-inch separation rule is often the hardest constraint. Near the Gulf and the bay, the wet-season water table runs high, so the engineer has to show the base clears it, which can mean a thinner reservoir spread wider or a permeable area paired with an exfiltration trench or other retention. Test the subgrade too: compacted limerock pads don't count as permeable.
Drainage Basin II still empties through ten beach outfalls in the swash zone, serving about 395 acres. The city has worked toward removing them since a 2012 resolution adopted after the state required their removal as a condition of beach renourishment, and Gulf Shore Boulevard also floods during frequent rainfall events. Hurricane Ian brought 6 to 9 feet of inundation to Naples in 2022. On the bay side, runoff reaches Naples Bay and the Gordon River, so on-site retention protects the bay as well as the street.
Where it fits in Naples, and how to get it approved
- Old Naples and Aqualane Shores rebuilds that add pools and lanais and need to manage the impervious increase.
- Front-yard driveways and walks, the location the credit policy names.
- Fifth Avenue South and Third Street South courtyards on private property.
- Condominium pool decks and entry courts along Gulf Shore Boulevard.
Plans go to the Streets and Stormwater Department with the driveway, site work, right-of-way and pool permits the project needs, and a licensed professional's as-built certification is due before the certificate of occupancy. Resin Rock supplies the surface and Rock Crete base, data sheets for your engineer, and an approved installer match. We train installers but don't install.
Before you specify permeable resin-bound in Naples
- Hire a Florida licensed engineer to design the permeable pavement system.
- Confirm at least 18 inches of separation from the wet season water table.
- Test the subgrade for at least 2 inches per hour.
- Check the 250-square-foot net impervious trigger before adding a pool or lanai.
- Line up driveway, site work and right-of-way permits.
- If you claim a utility credit, calendar the three-year inspection.
Common questions about permeable resin-bound in Naples
Can a permeable driveway let me add a pool without a new stormwater system?
It can help. For a property without an existing stormwater system, the city's FAQ allows replacing an impervious driveway with a permeable pavement system to offset new impervious area elsewhere, as long as the net increase is 250 square feet or less. The system must be designed by a Florida licensed engineer and approved by Streets and Stormwater. Other code triggers, such as redevelopment or substantial improvement, can still require a full system.
How much stormwater utility credit can I get?
Up to 25 percent of the bill in total, across all eligible practices combined. Permeable pavement driveways and sidewalks within the front-yard setback are listed, and the city decides whether a resin-bound section qualifies. A Florida licensed professional proposes the percentage for each practice and the city approves it. To keep the credit, have the system inspected and documented by every third anniversary of approval.
Does resin-bound over my existing pavers count?
No. The code describes a permeable pavement system as an engineered section, including a stone reservoir and a subgrade that infiltrates at least 2 inches per hour, all at least 18 inches above the wet season water table. A resin layer over existing pavers or concrete is a finish only. Rebuild the section if you want it to count.
Official sources for Naples
- City of Naples Streets & Stormwater (2021 ordinance, handbook, FAQ)
- Naples Stormwater Standards Handbook (effective July 16, 2021)
- Naples Stormwater Ordinance 2021-14654
- SFWMD Environmental Resource Permits
Local rules change. We last checked these sources in October 2026. Confirm current requirements with the reviewing agency before you design, and treat this page as a starting point, not engineering or permitting advice.