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Pool Contractors

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Pool installation, renovation, repair and seasonal service. Tell us about your pool project and we’ll help you find local pool contractors who serve your area.

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Pool contractors design, build and renovate residential swimming pools, from above-ground models to inground pools with vinyl-liner, fibreglass or concrete shells, along with the decking, enclosure, heating and lighting around them. Many also open pools in spring, close them in fall, replace liners and repair pumps and filters.

A pool is also one of the most regulated projects in a backyard. It needs a municipal permit, an enclosure that keeps young children out, electrical work by a licensed electrician and a plan for the water it sheds. In Quebec, a single provincial regulation sets the safety rules for every residential pool; in Ontario, each municipality sets its own pool enclosure bylaw.

This page compares inground, above-ground and semi-inground pools, walks through a typical project, explains permit and enclosure rules in Quebec and Toronto, and covers drowning prevention, electrical safety, seasonal opening and closing, and the safe handling of pool chemicals.

Inground vs above-ground vs semi-inground pools

The main decision is how far into the ground the pool goes. It drives the excavation, the permit drawings, the enclosure rules and how the yard looks and works afterward.

  • Inground pool: fully sunk into the ground and surrounded by decking or pavers, the most permanent and customizable option.
  • Vinyl liner: a flexible membrane over a wall and floor structure, with a liner that is replaced as it wears.
  • Fibreglass: a one-piece shell set in place by crane, smooth to the touch, with shapes and sizes limited to what can be trucked to the site.
  • Concrete: formed on site in almost any shape, the most flexible design and the longest to build and finish.
  • Above-ground pool: a metal or resin wall on a levelled pad, with far less excavation, easier removal later, and access by ladder or an attached deck.
  • Semi-inground pool: partly buried, with walls made for backfill, useful on sloped lots or for a lower profile without full excavation.

How a pool installation project unfolds, from site plan to first swim

Most delays come from paperwork and access rather than the digging itself. Machinery needs a way into the backyard, excavated soil needs somewhere to go, and the enclosure has to be finished and compliant before anyone swims.

  • Site visit: the contractor checks access, slope, soil, trees, overhead wires and where the pool, equipment and enclosure can go under local setback rules.
  • Plan and permit: a site plan showing the pool, enclosure, gates, equipment and deck, often drawn from your certificate of location or survey.
  • Excavation and structure: digging, base preparation, walls or shell, plumbing to the filtration equipment, and backfill.
  • Electrical: a licensed electrician wires the pump, heater and lights with bonding and ground-fault protection.
  • Deck, enclosure and grading: coping, decking or pavers, the fence and gates, then final grading and planting.
  • Start-up: filling, balancing the water, and a walk-through of the equipment, the chemicals and your safety obligations.

Pool permits and enclosure rules in Quebec and Ontario

In Quebec, the Règlement sur la sécurité des piscines résidentielles applies to every outdoor residential pool that can hold 60 cm of water or more, whether inground, semi-inground, above-ground or removable, inflatable models included. According to the government's summary, a municipal permit is required to build, install or replace a pool, to install a diving board, and to build an enclosure, platform or deck that opens onto a pool, and municipalities may adopt stricter rules. Owners of pools installed before November 1, 2010 have until September 30, 2027 to comply.

  • Inground and semi-inground pools must always be surrounded by an enclosure.
  • An enclosure must be at least 1.2 m high, stop a 10 cm ball from passing through, including under its bottom edge, and not be designed so it can be easily climbed.
  • Every door in the enclosure must close and lock automatically, with the latch on the inside near the top of the door or on the outside at least 1.5 m high.
  • An above-ground pool with walls under 1.2 m, or a removable pool with walls under 1.4 m, needs an enclosure; a taller one can instead be reached by a removable ladder with a self-closing, self-latching safety gate, or from a platform or attached deck secured by an enclosure.
  • Filters and other equipment outside the enclosure must sit more than 1 m from the pool wall or enclosure, so a child can't use them to climb over.
  • Ontario leaves pool enclosures to municipal bylaws. In Toronto, a pool on a single residential property needs an enclosure at least 1.2 metres high and a Pool Fence Enclosure Permit, and gates must be self-closing and self-latching and kept locked except when the pool area is in use.

Backyard pool drowning prevention: supervision, barriers and readiness

An enclosure backs up supervision; it never replaces it. The Lifesaving Society advises appointing an adult to actively supervise children at the pool at all times, keeping children under five within arm's reach in and around the water, and controlling access with four-sided fencing and a latching gate. The Quebec government adds that knowing how to swim, or having taken lessons, is not enough on its own to rule out drowning.

  • Never prop the gate open, even for a quick trip into the house.
  • Take floating toys out of the water after swimming so they don't draw a child back.
  • Don't dive into an above-ground pool: it isn't deep enough.
  • Skip alcohol before and during swimming, and while you supervise.
  • Empty or flip over inflatable and wading pools when they aren't in use.
  • Keep a phone and rescue equipment by the pool, and take a first aid course.

Pool electrical safety: bonding, ground-fault protection and licensed electricians

Water and electricity make pool wiring a job for a licensed electrical contractor, never a handy neighbour. Pumps, heaters, lights and nearby outlets need ground-fault protection, and the metal parts of the pool, deck and equipment are bonded together so there is no voltage difference a swimmer could feel. The electrician also looks after any required electrical permit and inspection.

  • Bonding: ladders, rails, the pool structure, the pump motor and nearby metal are connected so they sit at the same electrical potential.
  • Ground-fault protection: it cuts power quickly when current leaks to ground, and should be tested as the manufacturer directs.
  • Overhead wires: site the pool and any slide or diving area well away from overhead lines, and confirm clearances with the utility before digging.
  • Warning signs: a tingle in the water, a breaker that keeps tripping or a pump that hums without running means everyone out and a call to the electrician.

Pool opening and closing: spring start-up and fall winterizing

In most of Canada, a pool runs for one summer season and is then winterized so freezing water doesn't crack pipes, equipment or the shell. Many owners hire a pool service for both ends of the season and book early, since spring calendars fill quickly.

  • Opening: remove and clean the cover, top up the water, reconnect and prime the pump and filter, then test and balance the water before anyone swims.
  • Spring inspection: look for liner tears or wrinkles, shell cracks, loose coping and damage to the enclosure or gate.
  • Closing: balance the water, lower the level as the pool type requires, blow out and plug the lines, drain the equipment and install a winter cover.
  • Winter covers: a cover does not replace the enclosure, and water pooling on top is a hazard for children and pets, so pump it off.

Pool water chemistry and safe storage of pool chemicals

Balanced water is safer for swimmers and easier on the liner and equipment. Sanitizer, pH and alkalinity are tested regularly and adjusted following the product labels. The chemicals that do this are strong, and Health Canada's household advice applies: store products tightly closed in their original containers, out of sight and reach of children and pets, ventilate when using them, and never mix bleach with products containing ammonia or acids.

  • Keep chlorine products and acids apart, in a cool, dry, ventilated spot that children can't open.
  • Never mix pool chemicals with each other or with household cleaners, and use a clean, separate scoop for each.
  • Add each product to the pool water separately, as its label directs, with the pump running.
  • Wear gloves and eye protection when handling concentrated products, and wash up afterward.
  • Take old or unwanted chemicals to a household hazardous waste drop-off, not the trash or a drain.

Pool Contractors: frequently asked questions

Do I need a permit for an above-ground pool?

In Quebec, yes: a municipal permit is required to install or replace any pool covered by the regulation, which includes above-ground and removable pools that can hold 60 cm of water or more. In Ontario, it depends on your municipality's bylaw, so check with the city before buying.

Does an inflatable pool need a fence in Quebec?

It can. The regulation covers removable pools, inflatable or not, that can hold 60 cm of water or more. One with walls under 1.4 m must be surrounded by an enclosure, and one with higher walls needs controlled access, such as a removable ladder with a safety gate that closes and locks automatically.

Can my yard fence or house wall be part of the pool enclosure?

In Quebec, yes, if every enclosure requirement is met. A door in a wall that forms part of the enclosure must close and lock automatically with its latch at least 1.5 m high on the inside, or be separated from the pool by its own enclosure. A chain-link fence installed since July 1, 2021 must have mesh of 30 mm or less, or slats woven in.

Who should do the electrical work for a new pool?

A licensed electrical contractor, not the pool installer unless the company holds that licence. Ask who will wire the pump, heater and lights, and who handles the electrical permit or inspection.

Sources

  1. Secure your outdoor pool to prevent drowning — Gouvernement du Québec
  2. Residential Pool Safety Regulation: summary document — Ministère des Affaires municipales et de l'Habitation
  3. Preventing drowning — Gouvernement du Québec
  4. Fences and swimming pool enclosures — City of Toronto
  5. Backyard pools — Lifesaving Society
  6. Use household chemicals safely — Health Canada

Written by the LokalMatch editorial team. Last reviewed September 10, 2026.

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What affects the cost of pool

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Type and size of pool or hot tub
  • Excavation and site access
  • Pumps, filters, heaters and covers
  • Decking, fencing and landscaping around it
  • Electrical and gas connections
  • Condition of existing equipment for repairs

How to compare pool contractors before you hire

  • Choose a company that works on your type of pool or hot tub, whether it's in-ground, above-ground or a spa.
  • For a new pool, ask who handles the permit, the fencing requirements and the electrical and gas connections.
  • Make sure electrical and gas work for heaters, pumps and hot tubs is done by licensed trades.
  • Get a written quote that covers excavation, backfill, equipment, decking and site restoration.
  • For openings, closings and maintenance, ask exactly what each visit includes.

Questions to ask pool contractors before you hire

  • Who will get the permit, and what fencing or gate rules will I need to meet?
  • Who will do the electrical and gas hookups, and are they licensed?
  • What equipment do you recommend, and why?
  • What does the warranty cover for the pool shell or liner, the equipment and your installation?
  • How will you get equipment into my yard, and how will you restore the lawn afterwards?
  • What is included in an opening, closing or maintenance visit?

When to call a pro for pool

  • Water level dropping faster than usual, which may mean a leak
  • A pump, heater or hot tub that trips the breaker: keep people out of the water and call a qualified technician.
  • Cloudy or green water that doesn't clear with regular care

Pool permits and local rules

Some pool work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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