Backyard Lazy River Cost

Having your own private lazy river winding through your backyard is a fun and luxurious way to enjoy relaxing summertime lounging.

But how much does it really cost to build your own backyard lazy river, and what all goes into such a project?

In this complete guide, we'll break down the full process and costs step-by-step so you know what to expect if you decide to take on this ambitious DIY project. By the end, you'll have a good idea of whether building a lazy river is feasible for your budget.

Estimating Materials Costs

The bulk of your costs will be for materials. Here's a breakdown of the key material expenses to budget for:

Tubing

  • PVC tubing - around $3-5 per linear foot for 4-6" diameter PVC depending on quantity needed. Figure about $1,500-2,500 in tubing alone for a medium-sized backyard lazy river.
  • Fittings like elbows and joints will add another $500-1,000 depending on complexity of design.

Pump & Filter System

This is one of your biggest purchases. Expect to spend $2,000-4,000 or more on a quality pump, filter, and all necessary plumbing hookups.

Decking

Decking material like composite or treated wood will cost $3-6 per square foot installed. Figure 400-800 square feet of deck needed depending on design, so budget $1,500-5,000.

Additional Materials & Supplies

You'll also need gravel, sand, concrete, liner material, flow valves, lighting, fencing, landscaping, etc. Budget another $3,000-5,000 for all ancillary materials.

In total, estimate around $10,000-18,000 just for materials before accounting for labor costs.

Figuring Labor Costs

How much you pay for labor depends greatly on whether you DIY or hire contractors:

DIY Labor

Doing most of the work yourself can save thousands, but expect to invest many weekends over 2-3 months if doing it alone.

Contractor Labor

  • PVC Installation - $5-15 per linear foot installed depending on access and site challenges.
  • Deck Installation - $40-80 per square foot professionally installed.
  • Electrical/Plumbing - $100-150 per hour for rough work, more for finish work.
  • Landscaping/Concrete - Quotes typically $100-300 per man hour depending on work.

With contractors, labor alone could easily approach $10,000-20,000+. Only DIY what you're comfortable with.

Additional Hidden Costs

Don't forget these other potential extra expenses:

  • Permitting fees from your local jurisdiction (~$500-2,000 usually).
  • Engineering inspection (optional but recommended for liability, $500-1,000 typically).
  • Increased property taxes after adding the new permanent structure.
  • Unforeseen challenges that drive additional material or labor costs.
  • Maintenance/operating costs after ($500-1,000/year estimate).

Total Projected Cost of a Backyard Lazy River

Tallying it all up, here's an estimated project cost breakdown for different sized backyard lazy rivers:

Project Size Materials Labor (DIY) Labor (Contractors) Total Cost (DIY) Total Cost (Contractors)
Small (20x30ft) $10,000 $5,000 $15,000 $15,000 $25,000
Medium (30x40ft) $15,000 $10,000 $20,000 $25,000 $35,000
Large (40x50ft) $20,000 $15,000 $30,000 $35,000 $50,000

Is It Worth It?

Building a backyard lazy river is a major investment - but for many folks, it offers a lifetime of enjoyment for family and friends on hot summer days. Just factor in ongoing maintenance and operating costs too. If you have the budget and DIY skills, it can certainly be worthwhile.

Just be sure to get multiple quotes, carefully plan the project, and leave room in your budget for potential surprises. With the right planning and execution, you too could have your own little oasis of lazy luxury right in your own backyard!

Let me know your thoughts as you consider taking on this exciting project in the comments. I'd be happy to provide more tips or cost-saving strategies to help make a backyard lazy river a reality.

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