How Long Does It Take to Install a Swimming Pool?

installing a water swimming pool

Thinking about putting a swimming pool in your backyard? One of the first questions you’ll want answered is: How long will it take?

The short answer: anywhere from 6 to 12 weeks on average, but that depends on the type of pool, the complexity of the design, weather conditions, permits, and your contractor’s schedule.

At Green Side Up Contracting, we’ve been building outdoor spaces in the GTA and York Region for over 24 years. We’ve seen firsthand how timelines can shift and how proper planning makes all the difference.

Here’s a breakdown of what actually goes into pool installation and how long each step usually takes.

Related Article: Pool Construction Explained

Pool Installation Timeline: What to Expect

Installing a pool is more than just digging a hole and filling it with water. It’s a multi-step construction project that involves coordination, compliance, and careful planning. Here’s a deeper look at each phase of the process and how long you can expect it to take.

1. Design and Planning (1–3 Weeks)

This is the creative phase and one of the most important. You’ll work with your contractor to:

  • Choose the pool’s shape, size, and depth
  • Decide between fibreglass, vinyl, or concrete construction
  • Select finishes, coping, steps, and extra features like tanning ledges or waterfalls
  • Integrate your pool into a full backyard plan (decks, fencing, outdoor lighting, gardens)

Working with Green Side Up means you get a comprehensive outdoor design plan, not just a standalone pool. Our process ensures your pool looks like it belongs, not like it was dropped in.

2. Permits and Approvals (1–4 Weeks)

Each municipality in Ontario has specific requirements for pool installations, including zoning, fencing, and utility locates. This step includes:

  • Applying for excavation and building permits
  • Submitting drawings and plans for approval
  • Scheduling site inspections as needed

This stage can vary widely depending on where you live, so it’s best to factor in extra time.

3. Excavation and Base Prep (3–5 Days)

With permits in hand, excavation begins:

  • Soil is removed to create the hole for your pool
  • The area is graded and compacted
  • A foundation of gravel, rebar, or steel is installed, depending on your pool type

If access is limited or ground conditions are poor, this step can be stretched out. We assess this early to avoid surprises.

4. Pool Installation (1–3 Weeks)

Installation timelines depend heavily on your pool type:

  • Fibreglass: Delivered in one piece and set in place within a day. Plumbing and backfilling take another few days.
  • Vinyl liner: Built on-site with steel or polymer walls, then the liner is installed. This takes 1–2 weeks.
  • Concrete (gunite): The most custom option, but also the most time-intensive, typically 4–6 weeks including curing.

Green Side Up helps you choose based on your timeline, budget, and long-term goals.

fibre glass pool delivered in home

5. Backfilling and Plumbing (3–7 Days)

Once the pool structure is set, crews will:

  • Backfill around the pool to stabilize it
  • Install plumbing lines, skimmers, returns, and electrical components
  • Set up the pump, filter, and heater systems

We also install automation features like smart controls or lighting at this stage.

6. Decking, Landscaping, and Hardscaping (2–4 Weeks)

This is where the transformation really happens:

  • Concrete or stone patios and coping are poured or laid
  • Water features, lighting, and outdoor kitchens may be installed
  • Fencing, sod, plantings, and decorative elements go in

This phase defines your outdoor space, and Green Side Up excels at tying it all together with award-winning detail.

7. Filling and Final Inspection (1–2 Days)

With everything in place, we:

  • Fill the pool with water
  • Test pumps, filters, lights, and heaters
  • Walk through your new setup and maintenance instructions
  • Arrange for any required city inspections

From there, it’s time to swim.

Related Article: How to Open a Pool for the Summer

Average Pool Installation Timelines by Type

Here’s a general breakdown of what you can expect, depending on the type of pool you choose:

  • Fibreglass Pool: 6–8 weeks total
  • Vinyl Liner Pool: 8–10 weeks total
  • Concrete (Gunite) Pool: 10–12+ weeks total

If you’re also adding features like a hot tub, cabana, or custom stonework, the project may take longer.

What Can Delay a Pool Project?

We believe in giving homeowners the full picture. Here’s what can slow things down:

  • Permit delays from local municipalities
  • Weather (rain, snow, or deep frost)
  • Changes to the design mid-project
  • Underground obstacles (like utility lines or large rocks)
  • Busy contractor schedules, especially in spring and early summer

We always recommend starting your planning early, even in fall or winter, to secure your spot for a spring or summer build.

Related Article: Why Hire Professional Swimming Pool Contractors

delay a pool project

Why Work with Green Side Up Contracting?

We’re more than just a pool contractor. We’re a full-service outdoor construction company with over 24 years of experience in:

  • Pool installation
  • Decks and fences
  • Custom hardscaping
  • Landscaping and planting
  • Outdoor lighting and water features

Related Article: Top 5 Swimming Pool Water Features You Need

When you hire Green Side Up, you’re getting a single, unified team that designs and builds your entire backyard so timelines are clearer, costs are streamlined, and the results are seamless.

Plus, we’ve won 11 HomeStars awards, which means we’re not just fast, we’re trusted.

How Long Should You Expect?

So, how long does it take to install a swimming pool?

Plan for 6 to 12 weeks. More if your design includes complex features or landscaping. With good weather, early planning, and the right contractor, you’ll be swimming by summer.

And with Green Side Up Contracting, you won’t just get a pool, you’ll get a fully transformed outdoor space that adds value, beauty, and a whole lot of fun to your home.Thinking about a pool this year? Book your consultation now to get ahead of the spring rush.