Gravel, Sand and Soil Delivery in Fort Lauderdale, FL

Sand over limestone

The USDA soil survey maps the ZIP's center point as Dade-Urban land complex. Paved or built-over ground makes up 40 percent of that map unit, and the Dade series makes up 55 percent. Where native soil is still exposed, it is Dade.^[1]

Dade's top mineral layer is a gravelly sand, rated well drained, in hydrologic soil group A, where water soaks in fast and little runs off. Sand like this takes a downpour quickly. Gravelly sand holds very little water or nutrients for plants, and it shifts when loose.^[1]

The survey lists paralithic bedrock at about 35 inches. Paralithic means soft, weathered rock that a pick or an auger can break with effort. Post holes and footings may hit it, and so can a deep drain or a dry well.^[1]

The USGS geologic map places the center point on the Miami Limestone, a Pleistocene unit of limestone and sandstone. This rock is porous and can carry water through its pores and cavities. That helps rain drain, but it also means groundwater can sit close to the surface near the coast.^[2]

Shrink-swell in the top 100 cm is low, at 1.5 percent, so the soil barely moves between wet and dry. The ground at the center point stands 10 feet above sea level.^[1],[3]

Heavy rain on fast-draining ground

The NOAA normals station at FT Lauderdale Beach, FL, about 2 miles away, averages 64.2 inches of precipitation a year. Summer afternoons can bring short, hard downpours, and tropical storms can add much more. Sandy soil soaks a lot of this up, but paved areas, roofs and compacted surfaces shed it fast.^[4]

Average yearly snowfall at the beach station is 0.0 inches, and it logs 0 days with a low of 32 F or colder. Frost heave plays no part in base design here. Heat, sun and water are what wear stone surfaces down.^[4]

Even on group A soil, water from a roof or a driveway gathers in one spot and can wash out loose sand or gravel. A splash pad of River Rock under each downspout and a strip of Drain Rock along the drip line of a roof spread the flow so it soaks in.^[1],[4]

Where the rock or the water table sits close to the surface, a dry well has less room to work. Dig a test hole first and see what you hit before you plan a deep pit of #57 Crushed Stone.^[1],[4]

Pavers and patios on sand

Paver driveways, patios and pool decks suit sandy coastal ground, and the low shrink-swell rating helps them stay flat. The job is mostly about locking loose sand so it cannot move. Compact the subgrade well, wetting it slightly so the sand grains settle tightly.^[1]

The state transportation department writes its rules for the stone layer under pavements as Graded Aggregate Base, under Section 204 of the Standard Specifications for Road and Bridge Construction (FY 2026-27).^[5]

For a home patio, build a compacted base of Road Base or Crushed Concrete in thin lifts. Screed a layer of Concrete Sand on top, set the pavers, and sweep Mason Sand or Stone Dust Screenings into the joints. Firm edge restraints matter more on sand than on clay, since loose sand flows out from under unrestrained edges.^[1]

A gravel parking pad works on this soil too. Lay compacted Road Base and top it with 3/4" Crushed Stone or Driveway Gravel. Edging keeps the stone from drifting into the lawn after heavy rain.^[1]

Beds in gravelly sand

Gravelly sand drains fast and dries out within days, so plants need help holding water. Mix Compost or Garden Soil into the top layer of new beds, or build raised beds filled with Garden Soil. Topsoil works for patching thin areas of lawn or leveling low spots.^[1]

Mulch keeps sandy soil cooler and slows the loss of water between rains. Brown Shredded Mulch, Red Mulch and Black Shredded Mulch all hold well in summer storms. Refresh mulch once or twice a year, since heat and moisture break it down quickly.^[4]

With no freezing nights to plan around, planting and mulching can go on year round. The main limits are summer heat and the dry spells between rains, so water new plantings well until they root.^[4]

River Rock, Pea Gravel and a dry creek bed

Around pool decks and patios, decorative stone fills gaps and handles splash water. River Rock is smooth and rounded with a range of colors, and its larger size stays put when wet. It suits borders and drainage strips where water collects.^[1]

Pea Gravel is smaller and softer underfoot, good for paths and sitting areas. It drains instantly and does not get muddy on sandy ground, but it travels on shoes and can end up in the pool. Use firm edging and keep Pea Gravel a few steps away from the water.^[4]

Either stone works best over landscape fabric, which stops sand from mixing in from below and slows weeds. Pick lighter-colored stone for spots in full sun, since dark stone soaks up heat.^[1]

Paved surfaces and roofs cover much of the ground in a dense area, and every one of them sends runoff toward the nearest low spot. A dry creek bed gives that water a path through a yard instead of across a patio. Dig a shallow, winding channel that leads toward the street or a planted low area, line it with fabric, and lay River Rock along the bottom and sides.^[1],[4]

On fast-draining gravelly sand, much of the water in the channel soaks in before it reaches the end, which is what you want. Larger stones at the bends and a few pieces of Riprap where a downspout pipe empties keep the flow from scouring the sand. Plant the edges with grasses or shrubs set in pockets of Garden Soil.^[1]

Keep the channel shallow where the limestone or the soft rock sits close to the surface. A wide, gentle channel carries water better than a deep, narrow one, and it is far easier to dig on rocky ground.^[1]

Homes in 33301 and across Fort Lauderdale

The Census counts 14,581 housing units in ZIP 33301. Detached single-family houses make up 18 percent of them, with condos and apartments making up most of the rest.^[6]

The median home in ZIP 33301 was built in 2006. The citywide median build year is 1973.^[6]

Fort Lauderdale as a whole holds 101,691 housing units, with detached houses at 34 percent.^[6]

Owners occupy 37 percent of the occupied homes in the ZIP.^[6]