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Q: Are there customization options available for above-ground pools?

• <div><p>Customization options may include different pool shapes, sizes, decks, and additional accessories like ladders or pool lights.</p></div>

Q: Are permits required to build swimming pools?

• <div><p>Permits are generally required to build an in-ground swimming pool. These permits cover aspects like zoning, safety fencing, and electrical work. Obtaining the correct permits involves coordination with local building authorities.</p></div>

Q: Do I need to shock my pool when I first fill it?

• <div><p>Yes, you will need to <a href="https://www.angi.com/articles/how-to-shock-pool.htm">shock your pool</a> with high levels of chlorine or bromine when you first fill it to kill off bacteria and pathogens. You&rsquo;ll need to wait for the chlorine concentration to come back down to a safe level before swimming. After that, you can test and maintain the chlorine and other levels as normal. The only exception to this is if you get pool water delivered by a professional. In that case, the water might come pretreated, so you might not need to shock it. </p></div>

Q: How long does it take to install a semi-inground pool?

• <div><p>Your contractor will need several days to several weeks as far as a <a href="https://www.angi.com/articles/how-long-does-it-take-build-pool.htm">timeline to install your semi-inground pool</a> goes. Adapting an aboveground pool to be semi-inground by excavating and partially burying the liner, for example, will only take three to five days, while installing an in-ground pool with a poured concrete liner and building up the land around it will require several weeks. Keep in mind that the process of hiring a pool contractor and applying for permits can add several additional weeks to the total timeline. </p></div>

Q: What is the most popular size of an above ground pool?

• <div><p>A 24-foot diameter pool is the most popular size for a round above ground model, while 15 by 30 feet is a common choice for oval-shaped pools. However, you'll find round sizes everywhere between 8 and 33 feet. Oval pools range up to 21 by 41 feet but can be customized to stretch much longer. Choosing the right size will come down to where you can <a href="https://www.angi.com/articles/how-to-level-ground-for-pool.htm">level your yard</a> and how many swimmers plan to use the pool at a given time.</p></div>

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Verified Reviews for Above Ground Pool Installation pros in Fairfield, MT

*The Angi rating for Above Ground Pool Installation companies in Fairfield, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Above Ground Pool Installation needs.

*The HomeAdvisor rating for Above Ground Pool Installation companies in Fairfield, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Above Ground Pool Installation needs.

Last update on June 30, 2026

Reviewed in June 2026
Excellent service, Brian and his crew were safe, meticulous, and deeply invested in completing tasks carefully and efficiently.
Circle B Saw and Tree
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Reviewed in January 2025
I recently contacted Valler Services for a septic tank replacement, and I couldn't be more pleased with the service I received. From start to finish, their team was professional, knowledgeable, and attentive to my needs. The communication was excellent; they kept me informed at every stage of...
Valler services GC
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Reviewed in October 2023
Kai rescued us from another contractor who strung us along and did nothing for 3 months. He swooped in and got everything done in record time. He was all business and knew how to coordinate with sub-contractors to get the work done. He was very professional and patient with us as we negotiated...
First Finishers, LLC
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Reviewed in August 2021
Nathan showed up on time and did a great job. He replaced our carpet with beautiful wood laminate flooring
Freedom Flooring
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Reviewed in July 2021
They do very good worker, very affordable and you won't be disappointed with them.
Jones Excavation, LLC
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Reviewed in December 2020
Billy is great about listening to your ideas. Getting a feel for your vision then offering suggestions on how to make it work with materials you have. Spends time on little details that add so much character to project. Just a nice guy to work with.
Billy Widmer
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Reviewed in October 2020
Amazing. We love our windows. Makes such a huge difference in our Upstairs. And the installation team was professional, polite, and efficient.
Renewal by Andersen of Montana
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Reviewed in August 2019
Went the extra mile in terms of advice and number of trips during commute traffic.
Beastbay Plumbing
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Reviewed in July 2019
Showed up on time (will work outside of Great Falls with no complaint!!!), gave me a quote to approve, then got the job done. Also called the night before to confirm. Friendly, courteous, and respectful of property. Can pay at end of job with cash, checks, or cards! Highly recommend!
Ninja Window Washing
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Reviewed in May 2019
Prompt, work fast, and do a good job.
Moenbros
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Find Above ground pool installation pros in Fairfield

Above Ground Swimming Pool or Accessories - Repair or Service

Serving Fairfield, MT and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"The tech was very knowledgeable and went above and beyond to satisfy us. Our faucet was broken would not attach to the sink as the copper seal broke to the water lines."

Recommended by81%of homeowners

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American Home Shield – Home Warranty

3.5(

5,688

)

Above Ground Swimming Pool or Accessories - Repair or Service

Serving Fairfield, MT and surrounding areas

In business since 1971

Credit card accepted

"One oven doesn't work at all ( my choice, see above), the "working" oven was never calibrated properly so using it is hit or miss. It's time to call American Home Shield to see about replacing the entire unit. I'm waiting to finish other home projects before calling them. I don't know if I'll request Greenway again."

Recommended by65%of homeowners

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Install Above Ground Pools questions, answered by experts

Customization options may include different pool shapes, sizes, decks, and additional accessories like ladders or pool lights.

Permits are generally required to build an in-ground swimming pool. These permits cover aspects like zoning, safety fencing, and electrical work. Obtaining the correct permits involves coordination with local building authorities.

Yes, you will need to shock your pool with high levels of chlorine or bromine when you first fill it to kill off bacteria and pathogens. You’ll need to wait for the chlorine concentration to come back down to a safe level before swimming. After that, you can test and maintain the chlorine and other levels as normal. The only exception to this is if you get pool water delivered by a professional. In that case, the water might come pretreated, so you might not need to shock it.

Your contractor will need several days to several weeks as far as a timeline to install your semi-inground pool goes. Adapting an aboveground pool to be semi-inground by excavating and partially burying the liner, for example, will only take three to five days, while installing an in-ground pool with a poured concrete liner and building up the land around it will require several weeks. Keep in mind that the process of hiring a pool contractor and applying for permits can add several additional weeks to the total timeline.

A 24-foot diameter pool is the most popular size for a round above ground model, while 15 by 30 feet is a common choice for oval-shaped pools. However, you'll find round sizes everywhere between 8 and 33 feet. Oval pools range up to 21 by 41 feet but can be customized to stretch much longer. Choosing the right size will come down to where you can level your yard and how many swimmers plan to use the pool at a given time.

The Fairfield, MT homeowners’ guide to above ground pool installation services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

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Sep 7, 2026Sep 7, 2026
How Much Does an Aboveground Pool Cost? [2026 Data]
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How Much Does Aboveground Pool Electrical Installation Cost? [2026 Guide]
Keep pool-side dreams from getting short-circuited by being aware of pool electrical installation costs and how they can affect your overall budget.
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Aug 5, 2026Aug 5, 2026
How Much Does an In-Ground Pool Cost? [2026 Data]
Considering a swimming pool for your backyard? Find out everything you need to know about in-ground pool costs, from materials to labor and more.
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Jul 31, 2026Jul 31, 2026
Can You Put an Above Ground Pool in the Ground? Here’s What to Know
Above ground pools are more affordable than inground pools, so can you put an above ground pool in the ground to save money? Learn when it’s safe to do so.
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May 21, 2026May 21, 2026
How to Hire an Above-Ground Pool Installation Pro
Learn how to hire an above-ground pool installation. Discover questions to ask, qualifications to check, and tips for finding a reputable contractor.
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Jul 31, 2026Jul 31, 2026
The Ultimate Guide to Above Ground Pool Sizes, Types, Materials, and More
Knowing the size of above-ground pools will help you choose the right one for you. Here are the measurements and types of above-ground pools to know.