Don's Plumbing

Checked in State Records

• Florida license CFC1427888, Certified Plumbing Contractor: Current, first issued Dec 12, 2008, expires Aug 31, 2028.
• A certified license lets the company work anywhere in Florida.
• The license is held through the qualifying contractor Guy Eldon JR Marcoux.
• Registered with the Florida Division of Corporations since Mar 10, 2017 as DONS PLUMBING OF ST. PETERSBURG LLC; status: active.
• No disciplinary cases at the Construction Industry Licensing Board.
• No workers’ comp stop-work orders, 2016 to 2026.
• The website says the company was founded in 1967; the first state record is from 2008. State records do not confirm it.

Checked against Florida DBPR licenses (Oct 12, 2026), Sunbiz (Oct 8, 2026), CILB reports and DFS stop-work orders (Oct 8, 2026). Verify a license with the state.

Photos

From the Don's Plumbing website; each photo links to the page where it appears. Is this your business? Ask us to change or remove a photo.

About

ST. PETE'S #1 PLUMBERS

• Owner: Guy Marcoux Jr.
• Founded in 1967
• Family-owned
• Locally owned
• Veteran-owned
• Works on residential, commercial properties
• Says it is insured

From the company’s website.

Services

• Drain Cleaning
• Garbage Disposal Repair & Installation
• Water Heater Repair
• Faucet & Sink Repair / Installation
• Leak Detection & Repair
• Toilet Repair & Installation
• Water Heater Installation & Replacement

Service Area

St. Petersburg

Hours

• Monday to Friday 8 AM to 5 PM

Prices and Payment

• Free estimates

As published on the company’s website. Confirm the price before booking.

What Customers Say on the Company Website

I came home from work one day and there was a flood in my basement. A friend told me to call Don's Plumbing and I did. Within a couple of hours the problem was fixed. That’s excellent service in my book.”

I had a problem with the water pressure in my shower and I’d heard good things about Don's Plumbing. Now my shower works amazing and it didn’t cost nearly the amount I thought it would.

I came home from work one day and there was a flood in my basement. A friend told me to call Don's Plumbing and I did. Within a couple of hours the problem was fixed. That’s excellent service in my book.”

Chosen and published by the company; captured Oct 8, 2026. We have not verified these reviews.