Building your own inground pool is technically possible. People do it. The honest answer is that the cost of doing it right yourself is closer to a professional install than most homeowners realize, the risk of getting it wrong is enormous, and the time commitment runs into hundreds of hours over several months.
If you’re still set on attempting it, here’s what the project actually involves end to end, and where it most often goes sideways.
What “Build Your Own” Actually Means
A DIY inground pool isn’t a single project. It’s roughly twelve sub-projects strung together, each requiring different skills, different equipment, and different permits. The major phases:
- Design and engineering the pool shape, depth, and structural specifications
- Permits and inspections through your city or county
- Excavation of the hole, typically with rented heavy equipment
- Plumbing rough-in for skimmers, returns, drains, and the equipment pad
- Steel rebar grid tied across the entire pool shell
- Shotcrete or gunite application for concrete pools (or fiberglass shell drop for fiberglass)
- Tile and coping installation around the waterline and pool edge
- Plaster or interior finish as the final water-facing surface
- Equipment installation including pump, filter, heater, and plumbing connections
- Electrical work for lighting and equipment, requiring a licensed electrician
- Deck and surround construction
- Startup and water balancing before the pool can be used
Each of these has its own way of going wrong, and several can be dangerous if done incorrectly.
Where DIY Pools Actually Save Money (and Where They Don’t)
The pitch on DIY pools is that you save the labor cost by doing the work yourself. The reality is more complicated.
Where you can save:
- Excavation, if you’re comfortable operating rented heavy equipment
- Backfill and rough site work
- Deck and surround construction
- Landscaping around the pool
- Some plumbing assembly under supervision
Where you genuinely shouldn’t save:
- Engineering and structural design
- Shotcrete or gunite application
- Tile and waterline work
- Final plaster or interior finish
- Electrical work (legally requires a licensed electrician in nearly every jurisdiction)
- Equipment installation if it touches gas lines or high-voltage electrical
The “savings” advertised on DIY pool sites generally assume you do all of the above yourself, which most homeowners realistically can’t. When you factor in the work you’ll actually hire out, the rented equipment costs, the permit fees, and the mistakes that have to be redone, the gap between DIY and professional often shrinks to 20-30% rather than the 50% that DIY pitches suggest.
The Permit and Code Side Nobody Talks About
Every inground pool in the United States requires permits, inspections, and code compliance. The specific requirements vary by jurisdiction, but they typically include:
- Building permit for the pool structure
- Electrical permit for lighting and equipment
- Plumbing permit for the water supply and drainage
- Fence and barrier compliance per local code
- Final inspections at multiple project stages
The U.S. Consumer Product Safety Commission publishes the federal pool safety standards that govern barriers, drain covers, and access controls. Local codes layer additional requirements on top.
Skipping permits is the fastest way to create a problem that costs more to fix than the original project. Unpermitted pools cause issues at resale, may not be insurable, and can trigger fines if discovered during property tax assessment or other inspections.
A Realistic Phase-by-Phase Timeline
A DIY inground pool isn’t a weekend project. Here’s a realistic look at how the timeline tends to break down:
| Phase | Typical DIY Timeline |
| Design and engineering | 2 to 4 weeks |
| Permits and approvals | 4 to 8 weeks |
| Excavation | 1 to 2 weeks |
| Plumbing and rebar | 2 to 3 weeks |
| Shotcrete and cure | 1 to 2 weeks (cure time included) |
| Tile, coping, plaster | 3 to 4 weeks |
| Equipment and electrical | 1 to 2 weeks |
| Deck and landscaping | 2 to 6 weeks |
| Startup and balancing | 1 to 2 weeks |
That’s 17 to 33 weeks for a homeowner working evenings and weekends, compared with 8 to 12 weeks for a professional crew working full days.
The Five Biggest DIY Pool Mistakes
After enough conversations with homeowners who started DIY pools and called in help mid-project, a few patterns show up repeatedly:
1. Underestimating excavation. The hole has to be dug to specific dimensions, with specific slopes, and with allowance for the pool shell thickness. Getting this wrong means redoing it.
2. Skipping the engineer. A pool shell that isn’t properly engineered can crack, leak, or fail structurally. The engineering cost is small compared to the cost of fixing a failed pool.
3. Going amateur on the shotcrete. Shotcrete application is a specialized skill. Improperly applied shotcrete leads to weak spots, voids, and cracks that show up months later.
4. DIY electrical. Pool electrical work has strict code requirements for grounding, bonding, GFCI protection, and conduit. Mistakes here are dangerous, not just expensive.
5. Cutting corners on plumbing. Underground plumbing leaks are nearly impossible to fix without re-excavating the area. Get this wrong and you’ll be digging up your finished deck to find the leak.
For more on what actually goes into a properly executed pool project, our pool renovation blog walks through the work in more detail.
Things Homeowners Ask Before Starting
Can I really save 50% by doing it myself?
Realistically no. After accounting for rented equipment, permits, the work you’ll have to hire out anyway, and inevitable mistakes, savings typically land in the 20-30% range, often less.
How long does the DIY route actually take?
Six months to a year working evenings and weekends, compared to two to three months for a professional install.
What’s the most dangerous part for a DIYer?
Excavation (the hole can collapse), shotcrete application (improper technique creates structural failures), and electrical work (literally life-safety). These three account for most DIY disasters.
Will insurance cover problems on a DIY pool?
Often no, especially if any work was done without permits or by unlicensed people. Check your policy before starting.
What if I start the project and need to call in help mid-build?
This happens often. Be aware that bringing in a professional to fix or finish a partially built pool typically costs more than if they’d built it from scratch, since they have to inherit and verify the work already done.
A Different Way to Think About the Project
Most homeowners who consider DIY pools are trying to solve one of two problems. They want the pool, but the cost of a professional install feels high. Or they enjoy doing the work themselves and see it as a challenge worth taking on.
For the first group, the realistic math usually argues against DIY once all the hidden costs surface. For the second group, the work itself is part of the appeal, and the choice makes sense on different grounds.
If you’d rather have the pool than the project, the pool renovation and construction team handles everything from design through final fill, on a timeline that ends with the pool ready to use this summer rather than next.
Call us at (469) 583-6213 or message us here to schedule the consultation.
