Florida Mobile Home Tie-Down Requirements, Plainly

Florida regulates mobile home anchoring in real detail, and most homeowners never see the rule. This page sets out what it actually requires, in plain terms, so you can look at your own home and form a view before anybody quotes you anything.

Nothing here is legal advice, and the official text at flrules.org controls. This is a practical summary current as of September 2026.

Who writes the rules

Anchoring and installation sit with the Florida Department of Highway Safety and Motor Vehicles, through its Bureau of Mobile Home and Recreational Vehicle Construction, in Chapter 15C-1 of the Florida Administrative Code.

Two rules matter here:

• 15C-1.0102, installation standards for mobile and manufactured homes and park trailers.
• 15C-1.0104, installation standards for anchors and tie-downs.

That is also why installation work in Florida is licensed. Verifying a licence takes one call and is covered on the installer licensing page.

Wind zones, and which one you are in

Florida is split between Wind Zone II, covering most of the state, and Wind Zone III, which 24 CFR 3280.305 limits to 14 counties, among them the southern peninsula, Pinellas, Manatee and Sarasota on the Gulf, and Franklin and Gulf in the Panhandle. Zone III demands more anchors, higher-rated strapping and tighter spacing.

Pasco County sits in Wind Zone II, which covers most of Florida. There is a local complication on top of the rulebook: Pasco’s sandy, karst-influenced ground moves, and an anchor’s holding power depends entirely on the soil it is in. A home that passed on the day it was set can have anchors sitting in ground that has shifted underneath them, which is why the soil test matters as much as the hardware.

What the rule requires, item by item

Where anchors go. The rule sets anchor locations rather than leaving it to judgement:

• One at each end of shear walls
• One on each end of each I-beam
• One frame tie at each vertical tie point
• One on each end of each marriage wall, the centre line on a multi-section home
• One at each ridge beam support post

Diagonal tie-down spacing. For new and used homes, in all wind zones, no farther apart than five feet four inches on centre, with anchors placed within two feet of each end.

This is the check a homeowner can actually make. Take a tape measure under the home and measure between straps. If they are noticeably farther apart than 5’4”, or if the end anchors are well back from the ends, that is a finding, not a matter of opinion.

Frame ties. All frame ties, new and used, must use a factory fabricated strap connected at the top of the I-beam to a department-approved I-beam clamp. Not a strap wrapped round the beam and hooked to itself.

Stabilizer plates. All ground anchors must have approved stabilizing devices, minimum 180 square inches of surface area, hot-dipped zinc galvanized. These stop the anchor head tipping in the soil when the strap is loaded. Missing stabilizer plates are a common shortfall on older installations, and an anchor without one does not develop its rated holding capacity.

Approved components only. Every anchor, pier and tie-down component must be tested, listed and approved by the Bureau. This is the requirement that quietly disqualifies a lot of cheap work.

What you can check yourself, in fifteen minutes

1. Measure the strap spacing. More than 5’4” apart is a finding.
2. Look at the end anchors. They should be within two feet of each end.
3. Grab each strap. If you can move it by hand it is not in tension, and a tie-down only works in tension. Every bit of settling leaves straps slack, which is why anchoring and releveling are one conversation.
4. Look for stabilizer plates at the ground anchors. A bare anchor head coming out of the dirt with no plate is a finding.
5. Look at the ground end of each anchor, where metal meets damp soil. Surface rust is normal; significant section loss is not.
6. Count them. Compare what is there against the anchor locations listed above.

Any of those is worth a professional look. All of them together on an older home is common, which is why the level check and tie-down inspection is free.

The pre-1994 question

Homes set before the 1994 federal installation standards were anchored to a lighter rulebook than the one in force today. They are not automatically illegal, but they are frequently under-anchored by current expectations, and they are the homes where an insurer or a park will ask questions first.

If your home is that vintage and has never been re-anchored, assume there is work to do and get it looked at rather than waiting for a storm or an inspection to raise it.

What it costs

Published on the pricing page, and the tie-down calculator prices an anchor job for your home.

Get the inspection

Tell us the home’s size, roughly when it was set, and what you found on the fifteen-minute check above. The inspection is free and the findings come in writing, pier by pier and anchor by anchor, whether or not you hire anyone. We cover Zephyrhills, Dade City, Wesley Chapel, Land O’ Lakes, Crystal Springs, and Plant City.