Stump grinding in Tampa, priced in seconds

The City of Tampa protects grand trees at 32 inches DBH or greater, across the 24 species in Schedule A, Table 284.1.2 of the code adopted by Ordinance 2019-54. Below that, removal needs a permit at five inches DBH and pruning at 24 inches, and removing a grand tree normally means a public hearing. Schedule A lists Cinnamomum camphora, an FLEPPC Category I invasive, beside live oak and bald cypress; sabal palm is not on it.

Florida Statute 163.045 overrides all of that. On single-family detached residential property, no local government may require notice, approval, permit, fee or mitigation where the owner holds documentation that removal is the only practical way to bring the tree's risk below moderate. Documentation means an onsite assessment under Best Management Practices, Tree Risk Assessment, Second Edition (2017), signed by an ISA-certified arborist or landscape architect. The City's interpretation of 20 July 2022 accepts the statute and does not exempt grand trees from it.

All of that governs felling a living tree. Neither Chapter 27 nor Hillsborough's land development code contains the words stump, stump grinding or grubbing, so no primary source requires or exempts a permit to grind an existing stump. Section 27-43 does define damage or abuse to include damage inflicted on roots by machinery, so grinding inside a retained protected tree's root zone can be the violation.

Hillsborough County has exactly three incorporated municipalities: Tampa, Temple Terrace and Plant City. Brandon, Riverview, Valrico, Carrollwood, FishHawk and Town 'n' Country are unincorporated census designated places, so county code governs them and the city rules above do not apply. Lutz straddles the county line, and Wesley Chapel and Land O' Lakes are unincorporated Pasco.

Unincorporated Hillsborough protects Grand Oaks instead, genus Quercus only, from 34 inches DBH, with replacement ratios rising from 1:1 to 2:1 by size band. A removal permit costs 81.65 US dollars per parcel up to five acres, plus 24.93 per additional acre, and its exempt list lets camphor and Brazilian pepper go at any size with no permit. The same 40-inch camphor is a protected specimen on one side of the city line and firewood on the other.

Helene came ashore near Perry on 27 September 2024, some 200 miles up the coast, and still set the bay's all-time surge record: 6.31 feet above MHHW at St. Petersburg per the National Hurricane Center, against Elena's 3.97 feet in 1985.

Milton landed at Siesta Key on 10 October as a Category 3, gusting to 83 knots at Tampa International, dropping 20.40 inches near St. Petersburg, and spawning 45 tornadoes across southern and central Florida on 9 October, three rated EF-3. Surge inside the bay reached only one to two feet, since winds north of the landfall point blew offshore. Saltwater drowning, then wind throw, in the same yards inside a fortnight, and no Florida Gulf-coast landfall since.

Native oaks are more than 80 percent of trees in Tampa's 36-inch-and-up size class per the USF Water Institute inventory, so nearly every large stump here is an oak. Live oak is the extreme: UF/IFAS gives it a crown spread of 60 to 120 feet, repeated underground as a flare far wider than the trunk, and a Florida price guide adds 20 to 30 percent grinding time for it.

Laurel oak, 7 percent of the city's trees, is the one crews meet most: a 50 to 70 year lifespan and trunks often hollow from decay, per UF/IFAS. Hollow wood cuts fast, but the void carries on below grade and the cavity ends up larger than the diameter implied.

Camphor is the resprouter: the UF/IFAS management guide revised in October 2024 states that no cut-stump herbicide treatment will control all lateral root sprouts, and advises retreatment every three years. Sabal palm needs none: it is not woody at all, and UF/IFAS describes severed roots as dying back to the trunk rather than branching, so a grinder meets a wet fiber cylinder over a compact root ball where depth matters more than width.

The Florida Geological Survey defines a sinkhole as the collapse of overlying sediments into voids formed by dissolution of limestone or dolomite. Grinding wood out of sand has nothing to do with that mechanism.

The same agency's Subsidence Incident Reports page lists causes of surface depressions that are not sinkholes, naming decomposing stumps or organic debris among them. So a grind hole cannot make a sinkhole, but one backfilled with loose grindings alone will settle as they decompose, which is why the cavity gets closed with soil rather than chips.

City of Tampa yard waste collection excludes large tree stumps and trunks outright, and makes landscaping companies responsible for disposal of the waste they generate at their worksites, directing them to McKay Bay. Set-outs cap at four cubic yards, items under four feet long, and a homeowner has no curbside route for a contractor's grindings, which is why haul-away is a separate line here.

After Helene and Milton the City suspended recycling from 18 to 21 October 2024 and yard waste until further notice, opened free vegetative drop-offs at 22nd Street Park and Gadsden Park, and gave residents free McKay Bay disposal with ID.

Inside the city limits or out in unincorporated Hillsborough — one answer, two different rulebooks and two different numbers. Begin there and work down.