How Much Does In-Ground Pool Installation Cost in Spokane, WA in 2026?

Last updated: 2026-09-15 · Spokane, WA · 1698 words · 9 min read

Average Cost of In-Ground Pool Installation in Spokane

In Spokane, Washington, an in‑ground pool typically costs between $44,100 and $83,300 when installed by a professional contractor. Those figures reflect the city’s local cost factor of 0.98 applied to the national range of $45,000 – $85,000. The lower end of the spectrum usually represents a basic vinyl‑liner pool with minimal decking, while the upper end reflects a larger concrete (gunite) pool that includes premium finishes, a spa, and upgraded landscaping. Homeowners who add high‑end features such as custom tile, waterfall lighting, or an automated control system can easily see totals exceed $100,000.

In-Ground Pool Installation Cost by Material

Choosing the pool material has the biggest impact on the overall price. Spokane’s soil conditions and seasonal temperature swings make each option behave a little differently, but the cost ranges remain consistent after applying the 0.98 local factor.

• Vinyl Liner Pool – $44,100 – $63,700. Vinyl is the most affordable upfront option. The liner typically lasts 8‑12 years before it must be replaced, which adds a predictable future expense.
• Fiberglass Pool – $49,000 – $73,500. Fiberglass shells arrive pre‑molded, allowing for a rapid installation and low long‑term maintenance. The material is resistant to cracking, which is beneficial in Spokane’s freeze‑thaw cycles.
• Concrete (Gunite) Pool – $63,700 – $98,000. Concrete offers unlimited shape flexibility and the longest lifespan of the three options. It is the most labor‑intensive and therefore the most expensive, but it can be finished with plaster, tile, or a custom aggregate surface.

Cost by Project Size in Spokane

The dimensions of the pool and any additional features such as a spa dramatically affect the price. Below are the typical cost brackets for common footprints after the Spokane cost adjustment.

• 12 × 24 ft pool – $44,100 – $68,600. Ideal for smaller backyards, this size usually requires a modest deck and basic fencing.
• 16 × 32 ft pool – $53,900 – $83,300. This is the most popular size in Spokane, offering enough space for laps, recreation, and a modest lounge area.
• 18 × 36 ft pool + spa – $73,500 – $117,600. Large‑yard properties often choose this configuration, which adds a built‑in spa, larger decking, and more extensive landscaping.

What Affects the Price in Spokane?

Beyond material and size, several local factors can push the budget higher or lower.

• Yard access – Narrow gates, steep slopes, or lots surrounded by trees may require hand digging or a crane. In Spokane, such constraints typically add $3,000 – $7,000.
• Soil and water table – Rocky or clay‑heavy soil, common in the Spokane Valley, slows excavation. A high water table can demand dewatering pumps, adding $2,000 – $5,000.
• Pool type – Vinyl liner pools are the cheapest, while concrete pools are the most customizable and expensive. The choice influences labor hours, material orders, and finish options.
• Extras – Spas, waterfalls, LED lighting, pool heaters, and home‑automation systems each contribute $5,000 – $20,000.

How to Save Money on In-Ground Pool Installation in Spokane

Smart planning can reduce the overall spend without sacrificing quality.

• Opt for a fiberglass shell. The prefabricated nature shortens labor time and minimizes unexpected site issues, often saving $5,000 – $10,000 compared with concrete.
• Obtain at least three written quotes with identical specifications. This forces contractors to compete on price and helps you spot hidden fees.
• Consider skipping a pool heater if you only intend to swim during Spokane’s warmest months (July–August). Heating can add $7,000 – $12,000 to the project.
• Bundle decking and fencing into a single contract. Contractors can coordinate material deliveries and labor crews, typically reducing total cost by 5‑10%.

DIY vs. Hiring a Professional

In‑ground pool installation is not a DIY‑friendly project in Spokane. Excavation, structural steel, plumbing, and electrical work all require licensed trades and city permits. Attempting to perform these steps yourself can lead to code violations, costly rework, and safety hazards. Homeowners are better served by focusing on contractor selection, design decisions, and financing while leaving the heavy lifting to experienced pool builders.

What to Expect: The In-Ground Pool Installation Process

The typical sequence of events in Spokane follows a predictable path, though the exact timing may vary with weather and site conditions.

1. Permits, site survey, and utility locates – The builder submits plans to the city, obtains a building permit, and coordinates with the local utility company to mark underground lines.
2. Excavation and steel or shell placement – Heavy equipment removes soil to the required depth. For concrete pools, a rebar cage is installed; for fiberglass, the pre‑molded shell is lowered into the hole.
3. Plumbing and electrical rough‑in – Pipes for circulation, filtration, and heating are laid, and conduit for lights, pumps, and automation is installed.
4. Structure, interior finish, and equipment setup – Concrete is sprayed (gunite) and allowed to cure, or the fiberglass shell is set. The interior surface (plaster, tile, or vinyl liner) is applied, and the pump, filter, and heater are connected.
5. Decking, coping, and fencing – Concrete, pavers, or natural stone decks are poured, coping is installed around the pool edge, and a code‑compliant fence is erected.
6. Water fill, startup chemistry, and inspection – The pool is filled, chemicals are balanced, and the city inspector signs off on the final work.

How Long Does It Take in Spokane?

From permit application to final inspection, most Spokane homeowners should budget 6 to 12 weeks. The timeline breaks down roughly as follows:

• Vinyl liner pools – 4 to 8 weeks, including a week for liner installation.
• Fiberglass pools – 2 to 4 weeks for shell placement and finish, plus a week for decking.
• Concrete (gunite) pools – 8 to 12 weeks, as the gunite must cure and the interior finish requires multiple layers.

Weather can extend the schedule, especially during Spokane’s rainy spring months.

Hidden Costs to Watch For

Even with a solid estimate, a few expenses often appear later in the process.

• Fencing to meet Spokane pool codes – A four‑sided fence with a self‑closing, self‑latching gate typically costs $3,000 – $8,000.
• Landscaping and grading – Adjusting the yard’s slope, planting shrubs, or installing a retaining wall can add $5,000 – $15,000.
• Utility line relocation – If water, gas, or electric lines intersect the pool footprint, moving them may cost $2,000 – $6,000.
• Rising material and labor rates – Spokane’s construction market mirrors national trends; a sudden increase in steel or labor costs can add 3‑5% to the final bill.

Paying for In-Ground Pool Installation

Most Spokane pool contractors offer financing options ranging from 84 to 180 months through specialty lenders. Interest rates on pool loans are generally higher than those on home‑equity lines of credit (HELOCs), so it’s wise to compare the annual percentage rate (APR), total interest paid, and any prepayment penalties before signing. Some builders also accept credit cards for the deposit, but be aware of potential processing fees.

Insurance Considerations

Adding a pool raises liability exposure. In Spokane, homeowners’ insurance premiums typically increase by 10 % to 25 % after a pool is installed. To protect against accidents, many residents purchase an umbrella policy that adds an extra $1 million – $2 million of liability coverage. Keep the fence gate latched, install a pool cover, and maintain proper chemical balance to further reduce risk and potential premium hikes.

Does In-Ground Pool Installation Increase Home Value?

In Spokane’s real‑estate market, an in‑ground pool generally recoups about 40 % to 60 % of its cost at resale. The exact return depends on neighborhood desirability, lot size, and how many months of the year the pool is usable. In areas with active summer recreation and limited public pool access, a well‑maintained pool can be a strong selling point. Conversely, in cooler micro‑climates where the pool sits idle for most of the year, the ROI may lean toward the lower end of the range.

How to Choose a Contractor in Spokane

Selecting the right builder is critical to staying on budget and avoiding future headaches.

1. Verify licensing and insurance – Ensure the contractor holds a Washington State contractor’s license and carries general liability and workers’ compensation coverage.
2. Check references and past work – Ask for at least three recent Spokane projects, visit the sites, and speak with the homeowners about satisfaction and post‑install support.
3. Review detailed proposals – A good estimate breaks down each cost category (excavation, structure, finish, decking, permits) and lists warranties for equipment and finishes.
4. Confirm timeline and payment schedule – Avoid large upfront payments; a typical schedule ties progress payments to completed milestones such as “excavation finished” or “decking installed.”
5. Assess communication – The builder should respond promptly to questions, provide a single point of contact, and keep you updated on any changes that affect cost or schedule.

Frequently Asked Questions

How much does an in‑ground pool cost in Spokane?

In Spokane, a complete in‑ground pool installation usually falls between $44,100 and $83,300. Vinyl liner pools sit at the lower end, fiberglass pools occupy the mid‑range, and concrete gunite pools command the highest prices. Most homeowners also budget an additional $10,000 – $30,000 for decking, fencing, and landscaping to finish the backyard oasis.

Do pools increase home value?

On average, pools in Spokane recoup about 40 % to 60 % of their installation cost when the home is sold. The return is higher in neighborhoods where outdoor recreation is a selling point and lower in areas where the climate limits pool use to a few summer months.

How long does pool installation take?

Installation timelines vary by material. Vinyl liner pools typically require 4 to 8 weeks, fiberglass shells can be installed in 2 to 4 weeks, and concrete gunite pools take the longest at 8 to 12 weeks, not including the time needed to secure permits.

What type of in‑ground pool is best?

For Spokane homeowners, fiberglass offers the quickest, most predictable install and low maintenance, making it a solid all‑round choice. Concrete provides unlimited design flexibility and the longest lifespan but demands more labor and higher cost. Vinyl liner pools have the lowest upfront price but will need a new liner every 8‑12 years. Soil conditions, yard access, and personal preferences should guide the final decision.

What are the annual costs of owning a pool in Spokane?

Plan on spending between $2,000 and $5,000 each year for chemicals, electricity, water, routine maintenance, and occasional repairs. Proper chemical balance and regular equipment service keep operating costs at the lower end of that range.

Do I need a fence around a pool in Spokane?

Yes. Spokane’s municipal codes require a four‑sided safety fence with a self‑closing, self‑latching gate. Some neighborhoods also mandate an approved pool cover. Homeowners should budget roughly $3,000 to $8,000 for a code‑compliant fence, depending on material and design.