Inground Pool Cost in 2026: National Averages vs San Diego Reality
HomeGuide puts the national average for an inground pool at $25,000 to $100,000, or $80 to $250 per square foot. Custom pools in San Diego usually cost more: Modern Yardz's own projects typically run $80,000 to $250,000 or more, because they include engineering, decking, equipment, safety features, and landscaping that national averages leave out.
Key takeaways:
- National averages from HomeGuide: $25,000 to $100,000 total, or $80 to $250 per square foot.
- Custom San Diego pools typically cost $80,000 to $250,000 or more once decking, equipment, engineering, and landscape are included.
- The pool shell is often only about 40 to 55 percent of an all-in pool and landscape project.
- Site conditions - slope, soil, access, and coastal permits - move the price more than pool size alone.
- Budget for ongoing costs too; a pool pump can be one of the largest energy users in a home.
Inground pool cost is the first question almost every homeowner asks, and the answers online range so widely they are hard to use. A national average built on simple pools in low-cost regions will not help you budget a custom pool on a San Diego hillside. At Modern Yardz, we design and build custom pools across San Diego County, so this guide shows both numbers side by side and explains the gap.
Below: costs by pool type, the factors that drive price, what San Diego adds, and what it costs to own a pool after it is built.
How much does an inground pool cost?
Nationally, the typical total is $25,000 to $100,000, or $80 to $250 per square foot, according to HomeGuide's inground pool cost guide. That range reflects a basic pool and minimal surrounding work across the whole country.
In San Diego, custom pools cost more. Modern Yardz's own completed projects typically range:
| Pool scope (San Diego, Modern Yardz projects) | Typical range |
|---|---|
| Plunge pools and compact geometric pools | About $80,000 to $120,000 |
| Mid-range pools with spa, water features, premium finishes | About $120,000 to $180,000 |
| Resort-style builds with infinity edges, outdoor kitchens, extensive hardscape | About $180,000 to $300,000 or more |
These are not contradictory numbers. They describe different projects: a national average pool versus a custom pool designed with its deck, spa, lighting, safety features, and landscape in a high-cost region. For a deeper local breakdown, see our guides to pool cost in San Diego and what it costs to install a pool in California.
How much do concrete, fiberglass, and vinyl pools cost?
Concrete (gunite or shotcrete) costs the most and allows any shape; fiberglass and vinyl cost less but come in set shapes and sizes.
- Concrete / gunite: Fully custom shapes, depths, infinity edges, tanning ledges, and integrated spas. The standard for custom and luxury pools, and the most expensive to build.
- Fiberglass: A factory-made shell set into the excavation. Faster to install with a smooth, low-maintenance surface, but limited to the manufacturer's shapes and sizes. HomeGuide's fiberglass pool cost guide puts typical installed cost at $45,000 to $100,000.
- Vinyl liner: The lowest upfront cost nationally, but liners need periodic replacement and are rare in high-end San Diego builds.
Our fiberglass pool cost guide and types of pools guide go deeper on each option.
What drives the cost of an inground pool?
Size matters, but the site and the scope usually matter more.
- Excavation and soil: Rock, expansive clay, or fill can require more excavation, haul-off, and a geotechnical report.
- Slope and engineering: Hillside pools need taller walls, more steel, and structural design for retained soil.
- Access: Tight side yards may need smaller equipment or a crane, adding time and cost.
- Finishes: Plaster, quartz, pebble, or all-tile interiors; stone or porcelain coping.
- Features: Spas, sun shelves, water features, infinity edges, fire bowls, and lighting.
- Equipment: Variable-speed pumps, heaters or heat pumps, sanitation, and automation.
- Decking and hardscape: Often a large share of the total; see our guide to travertine pavers for pool deck materials.
- Safety features and permits: Required barriers, alarms, or covers, plus plan check and inspections.
Why do pools cost more in San Diego?
Higher labor costs, hillside and coastal sites, engineering, and permitting. Many San Diego lots slope, sit on expansive clay, or fall inside the Coastal Overlay Zone, and each adds engineering, review, or construction time. Pools in the City of San Diego follow the requirements in our pool permit guide, including stamped plans and, often, a soils report.
Design expectations also differ. Most San Diego pool projects are part of a complete outdoor space - deck, outdoor kitchen, fire feature, lighting, and planting - which is why the pool shell is typically only about 40 to 55 percent of an all-in project.
What does a pool cost to own each year?
Plan for chemicals, energy, water, maintenance, and periodic repairs. Energy is the cost most people underestimate. According to ENERGY STAR, a pool pump can be a home's second-largest energy user, costing as much as $310 a year to run, and ENERGY STAR certified in-ground pumps use about 20 percent less energy than standard pumps. Variable-speed pumps save the most because, as ENERGY STAR notes, running a pump at half speed uses about one-eighth as much energy.
Other ongoing costs:
- Chemicals or salt system maintenance (see saltwater vs chlorine pools)
- Heating with a gas heater or heat pump, if you swim in cooler months
- Weekly service if you outsource cleaning
- Resurfacing every several years to decades depending on the finish (see pool resurfacing in San Diego)
- Equipment replacement over the life of the pool
Does a pool add value to a home?
It can, especially in San Diego's year-round outdoor climate, but returns vary. A well-designed pool integrated with the yard appeals to many buyers in luxury neighborhoods, while a dated or poorly placed pool can be a negative. Quality design and finish matter more than size.
How can you control the cost of an inground pool?
Decide priorities early and design the whole yard at once.
- Choose a simple shape and moderate size; complexity drives cost faster than volume.
- Put budget into features you will use daily, such as a spa or sun shelf, rather than many small extras.
- Plan decking, drainage, and landscape with the pool to avoid redoing work.
- Specify efficient equipment to reduce lifetime energy costs.
- Get itemized quotes so you can compare like with like. Our guide to choosing among the best pool builders in San Diego explains what a good quote includes.
Get a real number for your yard
A pool price depends on your site, so the most accurate number comes from a design. Modern Yardz designs custom pools as part of complete backyards and shows you the result in a 3D rendering with a line-item cost before work begins. Call 619-775-9554 or book a free design consultation.
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Common questions
- How much does an inground pool cost?
- Nationally, HomeGuide estimates $25,000 to $100,000, or $80 to $250 per square foot. Custom pools in San Diego usually cost more; Modern Yardz's projects typically run $80,000 to $250,000 or more, including decking, equipment, and landscaping.
- What is the cheapest type of inground pool?
- Vinyl liner pools usually have the lowest upfront cost nationally, followed by fiberglass. Concrete or gunite pools cost the most but allow fully custom shapes, depths, and features.
- Why are pools so expensive in San Diego?
- Higher labor costs, sloped and clay-heavy sites, coastal and city permitting, and engineering requirements all add cost. Most San Diego pool projects also include decking, lighting, and landscaping as part of a complete outdoor space.
- How much does it cost to run a pool each year?
- It depends on size, equipment, and use, but energy is a major factor. ENERGY STAR notes a pool pump can cost as much as $310 a year to run, and variable-speed certified pumps cut energy use substantially. Chemicals, maintenance, and heating add to the total.
- How long does it take to build an inground pool?
- Custom concrete pools typically take several months from design and permitting through construction, depending on the site, engineering, and permit timelines. Fiberglass shells install faster once permits are issued.
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