---
type: "Bill"
title: "Collier Mosquito Control District, Collier County"
description: "Collier Mosquito Control District, Collier County; Amends district boundaries."
jurisdiction: "us/states/fl"
legislature: "Florida Legislature"
session: "2024"
identifier: "HB 509"
citation: "Florida HB 509 (2024)"
classification: ["bill"]
subjects: ["local bills"]
status: "enacted"
chapter_law: "2024-280"
primary_sponsors: ["Melo"]
version_count: 2
action_count: 32
vote_count: 2
first_action: "2023-11-16"
last_action: "2024-07-02"
source: "openstates"
source_identifier: "ocd-bill/d06fad84-a5b9-4d70-86da-51e90e1848af"
source_url: "https://flsenate.gov/Session/Bill/2024/509/ByCategory"
source_hash: "977fa8ba3242f3286b75192f368bef40a5dc6f5f6e74ef8155e480a5aa4d1ec4"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-fl"]
---

# Florida HB 509 (2024) — Collier Mosquito Control District, Collier County

Collier Mosquito Control District, Collier County; Amends district boundaries.

**Enacted** — Laws of Florida, Chapter 2024-280.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **H 509 Filed** (filed) — [source](https://flsenate.gov/Session/Bill/2024/509/BillText/Filed/PDF)
2. **H 509 er** (enrolled) — [source](https://flsenate.gov/Session/Bill/2024/509/BillText/er/PDF)

## Votes

- Local Bills — **40–0** (pass) · upper
- Passage, Third Reading — **118–0** (pass) · lower

## Sponsors

- Melo — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-11-16** Filed `filing`
- **2023-11-30** Referred to Local Administration, Federal Affairs & Special Districts Subcommittee `referral-committee`
- **2023-11-30** Referred to State Affairs Committee `referral-committee`
- **2023-11-30** Now in Local Administration, Federal Affairs & Special Districts Subcommittee
- **2024-01-09** 1st Reading (Original Filed Version) `filing, reading-1`
- **2024-01-29** Added to Local Administration, Federal Affairs & Special Districts Subcommittee agenda
- **2024-01-31** Favorable by Local Administration, Federal Affairs & Special Districts Subcommittee `committee-passage-favorable`
- **2024-01-31** Reported out of Local Administration, Federal Affairs & Special Districts Subcommittee
- **2024-01-31** Now in State Affairs Committee
- **2024-02-05** Added to State Affairs Committee agenda
- **2024-02-07** Favorable by State Affairs Committee `committee-passage-favorable`
- **2024-02-07** Reported out of State Affairs Committee
- **2024-02-07** Bill released to House Calendar
- **2024-02-07** Added to Second Reading Calendar
- **2024-02-12** Bill added to Special Order Calendar (2/15/2024)
- **2024-02-15** Read 2nd time `reading-2`
- **2024-02-15** Added to Third Reading Calendar
- **2024-02-15** Read 3rd time `reading-3`
- **2024-02-15** Passed; YEAS 118, NAYS 0 `passage`
- **2024-02-15** In Messages
- **2024-02-16** Referred to Rules `referral-committee`
- **2024-02-20** Received `enrolled`
- **2024-03-07** Withdrawn from Rules `withdrawal`
- **2024-03-07** Placed on Calendar, on 2nd reading
- **2024-03-07** Read 2nd time `reading-2`
- **2024-03-07** Read 3rd time `reading-3`
- **2024-03-07** Passed; YEAS 40 NAYS 0 `passage`
- **2024-03-07** In Messages
- **2024-03-07** Ordered enrolled `enrolled`
- **2024-05-07** Signed by Officers and presented to Governor `executive-receipt`
- **2024-05-17** Approved by Governor `executive-signature`
- **2024-07-02** Chapter No. 2024-280

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d06fad84-a5b9-4d70-86da-51e90e1848af`. Confidence: reported (aggregated from official Florida legislature records).