How Much Does a Fiberglass Pool Cost in Colorado?

Based on a 2026 survey of independent fiberglass pool builders in the Thursday Pools dealer network, a standard fiberglass pool installation in Colorado averages $88,000 for a small pool, $104,000 for a medium pool, and $121,000 for a large pool. Your final cost will depend on details like pool size, yard conditions, local permit requirements, and the optional upgrades you choose.

Colorado offers an exceptional backdrop for outdoor living with more than 300 days of sunshine per year, warm dry summers, and stunning mountain views that make a backyard pool a natural extension of the Colorado lifestyle. That geography also shapes installation costs. Rocky soil is common throughout the Front Range, the foothills, and many mountain communities, and excavating through it requires specialized equipment and additional labor. Along the Eastern Plains, loose sandy soils excavate more easily but may need reinforcement to prevent pool shifting over time. Clay-heavy ground is widespread across many Denver suburbs and requires careful drainage planning. Sloped properties, common in communities like Evergreen, Boulder, and the broader foothills, often need grading or retaining walls before installation can begin.

Colorado summers deliver ideal pool conditions from late May through September, and many Colorado homeowners invest in pool heaters and automatic covers to push that window further into spring and fall. A local independent Thursday Pools dealer can evaluate your site, understand your local permit requirements, and help you build a pool and upgrades package that fits your yard.

 

What is the Average Cost of a Fiberglass Pool Installation in Colorado?

Thursday Pools surveys its network of independent dealers across the country each year to track real-world installation costs. The figures below reflect current market conditions in Colorado based on our 2026 dealer survey.

Based on the 2026 survey of independent Thursday Pools dealers in Colorado, installed fiberglass pool costs average $88,000 for small pools, $104,000 for medium pools, and $121,000 for large pools.

 

AVERAGE COLORADO FIBERGLASS POOL INSTALLATION BY SIZE
Pool Type	Small Fiberglass Pools	Medium Fiberglass Pools	Large Fiberglass Pools
Size Range	Up to 26 ft Long or 400 ft²	26 to 34 ft Long or 400 to 600 ft²	35 ft and Longer or 600+ ft²
Average Cost	$88,000	$104,000	$121,000

 

What Does a Standard Fiberglass Pool Installation in Colorado Include?

Most Colorado dealers include the following in a base package: the pool shell, excavation, basic pump and filtration equipment, plumbing, basic electrical, permits, a single pool light, initial water fill, dirt hauling, concrete decking approximately 3 feet around the pool, delivery, and labor. What individual dealers include can vary, so always compare proposals carefully. Expanded decking, fencing, landscaping, pool covers, and optional features typically cost extra.

Contact a nearby Thursday Pools dealer for a custom quote and to learn about financing options for your Colorado pool installation.

 

What Do Popular Fiberglass Pool Models Cost Installed in Colorado?

TITUS (12’ x 26’) 

Titus is a compact, refined pool design built for Colorado homeowners making the most of a manageable footprint. It’s a natural fit for the urban lots of Denver and Fort Collins, the tighter suburban yards of Longmont and Loveland, and any property where efficiency matters as much as elegance. Wraparound bench seating, clean entry steps, and a graceful silhouette make it equally well-suited for quiet morning swims and relaxed evening gatherings.

Based on 2026 feedback from Thursday Pools dealers throughout Colorado, the average installed cost for a small fiberglass pool like Titus or other designs less than 26 feet long and 400 square feet is $88,000.

 

SUN DAY (15’ x 30’) 

Sun Day brings resort-style elegance to mid-size Colorado backyards, from established neighborhoods in Colorado Springs and Castle Rock to the newer developments stretching across the northern Front Range. Its freeform curves create a relaxed, organic shape that complements Colorado’s natural landscapes, while a built-in tanning ledge, perimeter bench seating, and open swim zone give it functionality for both active and low-key use.

According to 2026 survey responses from independent Thursday Pools dealers throughout Colorado, the average installed cost for a medium-sized fiberglass pool like Sun Day is $104,000.

 

SPIRIT (13.5’ x 40’) 

Spirit is built for Colorado properties where the yard can support a statement. At 40 feet long, it delivers a full-length swim lane, wraparound bench seating, and wide entry steps in a design that anchors the entire outdoor living space. Spacious lots in Parker, Evergreen, and across Northern Colorado’s ranch-style communities have room for a pool of this scale, and Spirit’s clean, timeless lines hold their own whether surrounded by mountain views or contemporary hardscaping.

The average cost for a standard installation of a large fiberglass pool like Spirit in Colorado is $121,000.

 

What Yard Conditions Affect Fiberglass Pool Installation Costs in Colorado?

Colorado’s diverse terrain and soil conditions can affect installation costs significantly. Before breaking ground, a professional installer will assess your site for conditions that may require extra preparation.

Soil Type

Colorado’s geology creates distinct challenges across the state. Rocky soil is prevalent throughout the Front Range, the foothills, and mountain communities from Fort Collins to Pueblo, where excavation often requires specialized equipment and significantly more labor than flat, soft-soil sites. Clay-heavy soils are common across many Denver suburban areas and much of the urban corridor, holding moisture and requiring careful drainage planning to protect the pool structure over time. Sandy soils in areas like Pueblo and the Eastern Plains excavate more easily but may need reinforced backfilling to prevent pool shifting. A pre-installation site assessment can identify what your specific soil requires before the project begins.

Slope and Grade

Sloped lots are common throughout Colorado’s foothills communities, including Evergreen, Golden, Boulder, and others stretching west from Denver. These properties often require grading work, retaining walls, or significant leveling preparation before excavation can proceed. The scope of that work varies widely depending on grade severity, which is why slope is one of the most variable cost factors in Colorado pool installations.

Backyard Access

Wide-open access makes a fiberglass pool installation more efficient. Dense urban neighborhoods in Denver, Boulder, Colorado Springs, and other established suburban communities with mature landscaping and limited side yards can present access constraints that require crane service or specialty equipment to deliver the one-piece pool shell.

 

AVERAGE ADDITIONAL YARD-RELATED EXPENSES IN COLORADO
Excavating Sandy Soil	$3,900
Excavating Clay Soil	$4,350
Excavating Rocky Soil	$12,500
Above-Average Slope Requiring Extra Grading	$9,350
Limited Yard Access	$4,350

Based on Thursday Pools’ 2026 independent dealer survey, site-condition upcharges in Colorado range from about $3,900 for excavating sandy soil to $12,500 for working in rocky soil.

 

What Are Colorado’s Swimming Pool Fence Requirements?

Colorado’s pool barrier and fencing requirements are set by local municipalities and counties, and can vary across the state.

The City and County of Denver, for example, shows how local requirements typically look. Denver requires a building permit for all outdoor residential pools, barriers, and fences, and its Swimming Pools, Spas, and Water Features permit program through the Community Planning and Development department specifies the following for residential pool barriers:

• The pool must be visible through the barrier. Solid or opaque enclosures are not permitted as pool barriers under Denver’s code.
• Openings in the barrier must not exceed 4 inches in width.
• Gates must be self-closing with a positive latching closure located at a minimum of 54 inches above the ground.
• Where an approved safety cover is used, it must be certified and labeled to ASTM F1346 standards.

Requirements vary across Colorado’s municipalities. Some jurisdictions follow the International Swimming Pool and Spa Code (ISPSC) baseline of 48 inches for barrier height, while others may specify different heights, materials, or setback requirements. HOA rules can add further requirements beyond municipal codes. Always verify current pool barrier and fencing requirements in your area before installation.

For a 300-linear-foot basic pool fence, Colorado dealers estimate an average cost of $8,050. Final pricing varies by material, height, gate requirements, terrain, and local code compliance.

 

How Much Do Fiberglass Pool Upgrades Cost in Colorado?

Optional features can expand what your pool does and extend your swimming season throughout Colorado’s climate. The right upgrades enhance comfort, convenience, and safety while maximizing your investment. The averages below come from Thursday Pools’ 2026 dealer survey in Colorado.

Water Quality and System Controls

Pool Heater

• Average Cost in Colorado: $9,000
• A pool heater is one of the most impactful upgrades for Colorado homeowners, extending the swim season into May and September and keeping water comfortable at higher elevations where evenings cool quickly.

UV Filter System

• Average Cost in Colorado: $2,450
• A UV system passes pool water through an ultraviolet light chamber that destroys bacteria, algae, and chloramines so chlorine works more efficiently and you need less of it to maintain safe, sanitary water.

Pool Automation and Smart Control System

• Average Cost in Colorado: $4,350
• Manage temperature, lighting, and filtration from a smartphone or tablet.

 

Patio and Hardscape

Poured Concrete Patio (Approx. 1,200 sq. ft.)

• Average Cost in Colorado: $14,900
• A durable, low-maintenance decking option that handles Colorado’s significant freeze-thaw cycles when properly installed with expansion joints and adequate base preparation.

Paver Patio (Approx. 1,200 sq. ft.)

• Average Cost in Colorado: $14,600
• Available in a range of materials, from concrete pavers to natural stone. Flagstone and earthy-toned pavers complement Colorado’s mountain-inspired outdoor aesthetics particularly well, and individual units can be repaired or replaced when freeze-thaw movement shifts them.

 

Safety and Covers

Fence (300 Linear ft.)

• Average Cost in Colorado: $8,050
• Final cost varies by material choices, total fence length, and local code requirements.

Non-Automatic Safety Pool Cover

• Average Cost in Colorado: $4,950
• A manual option for securing the pool and keeping debris out between uses.

Automatic Pool Cover

• Average Cost in Colorado: $19,150
• One-touch operation to protect the pool, retain heat, and reduce evaporation. For Colorado homeowners, automatic covers provide meaningful energy savings during cool evenings and extend the usable swim season on both ends.

Water Features

Deck Jets

• Average Cost in Colorado: $1,650 per jet
• Arc water from the coping into the pool, adding visual movement and ambient sound to the pool area.

Bubblers

• Average Cost in Colorado: $1,800 per bubbler
• On a tanning ledge or beach entry, create movement and the sounds of a babbling brook in shallow pool water for a fitting complement to Colorado’s mountain stream aesthetic.

Cascade or Waterfall

• Average Cost in Colorado: $5,750
• Add a flowing water element and natural sound to the pool environment.

 

Cleaning and Maintenance

Automatic Pool Cleaning and Vacuuming System

• Average Cost in Colorado: $3,550
• Keep the pool floor and walls clean with minimal manual effort, especially during Colorado’s wind-prone and dust-active seasons.

 

Lighting and Tile

LED Pool Lights

• Average Cost in Colorado: $2,125 per light
• Adds ambiance and visibility for evening and nighttime use as a popular addition for Colorado’s warm, clear summer nights.

Specialty Waterline Tile

• Average Cost in Colorado: $4,700
• Installed along the waterline for a custom, finished appearance at the pool edge.

 

Recreation

Simple Pool Slide*

• Average Cost in Colorado: $7,050
• A standard slide for family use.

Deluxe Pool Slide*

• Average Cost in Colorado: $9,550
• More height and design details than a basic model.

Diving Board (Type 1 Diving Pools Only)*

• Average Cost in Colorado: $4,650
• Only manufacturer-designated Type 1 diving pools support diving board installation. Homeowners should use only manufacturer-approved diving boards with pool models designated as diving pools and must consult a licensed professional to verify compliance with all local building codes and safety requirements before installation.

*Thursday Pools strongly advises against pool slides and diving boards due to safety concerns. The inclusion of a diving board or slide with any fiberglass pool must be carefully reviewed by a licensed professional to ensure compliance with all local building codes, safety regulations, and manufacturer guidelines. Not all fiberglass pool models are suitable for diving or slide use. It is the responsibility of the homeowner and installer to ensure proper installation and usage. Always prioritize safety and consult a qualified expert before adding any diving or sliding feature to your pool.

 

Landscaping and Extras

Surrounding Landscaping

• Average Cost in Colorado: $8,250
• Includes decorative rocks, plantings, trees, bushes, flower beds, and similar elements that connect the pool to the rest of the yard. Native drought-tolerant plantings and natural boulders are particularly popular choices that complement both the pool and Colorado’s natural landscape.

Add-On Spa

• Average Cost in Colorado: $20,600
• A separate spa unit for relaxing hydrotherapy, neighboring or independent of the main pool.

 

Frequently Asked Questions About Colorado Fiberglass Pool Costs

How much does a fiberglass pool cost in Colorado?

A fiberglass pool in Colorado costs an average of $88,000 for a small pool, $104,000 for a medium pool, and $121,000 for a large pool, based on Thursday Pools’ 2026 survey of the state’s independent dealers.

What does a standard fiberglass pool installation in Colorado include?

A standard fiberglass pool installation in Colorado typically includes:

• Excavation and Dirt Hauling: Soil removal and site preparation.
• Pool Shell and Delivery: The physical fiberglass pool shell unit delivered to your home.
• Filtration System: Basic pump, filter, and plumbing.
• Standard Decking: Approximately 3 feet of concrete surrounding the pool.
• Permits and Basic Electrical: Includes local municipal filings and one LED pool light.

What yard conditions raise fiberglass pool installation costs in Colorado?

Rocky soil throughout the Front Range and foothills is one of the most significant excavation cost factors in Colorado, requiring specialized equipment and substantially more labor than soft-soil sites. Clay-heavy soils across Denver’s suburbs create drainage challenges during installation. Sandy soils on the Eastern Plains are easier to excavate but may need reinforced backfilling for long-term stability. Sloped properties in foothills communities like Evergreen and Golden often require significant grading or retaining wall work. Limited backyard access in dense urban neighborhoods may require crane service or specialty equipment. Based on the 2026 Colorado dealer survey, site-condition upcharges range from about $3,900 for excavating sandy soil to $12,500 for working in rocky soil.

What are Colorado’s pool fence requirements?

Colorado residential pool barrier and fencing requirements are set by local municipalities. Denver’s residential pool permit program, for example, requires that barriers be see-through, that fence openings not exceed 4 inches in width, and that gate latches be positioned at a minimum of 54 inches above the ground. Most Colorado jurisdictions that have pool barrier requirements follow the International Swimming Pool and Spa Code (ISPSC) minimum of 48 inches for barrier height, though some require taller barriers and additional specifications. Always verify current requirements with your local building department before installation.

The 2026 Thursday Pools survey of Colorado independent dealers shows an average cost of $8,050 for a 300-linear-foot basic fence, with final costs varying by material, height, gate requirements, terrain, and local code compliance.

How much do common pool upgrades add to the cost in Colorado?

Upgrade costs vary widely depending on the feature:

• A pool heater averages $9,000.
• An automatic pool cover averages $19,150.
• A paver patio of approximately 1,200 square feet averages $14,600.
• An add-on spa averages $20,600.
• Smaller additions like deck jets ($1,650 per jet), bubblers ($1,800 per bubbler), and LED lights ($2,125 per light) add cost in more manageable increments.

How do I get an accurate cost estimate for a fiberglass pool in Colorado?

The most accurate estimate comes from a local independent Thursday Pools dealer who can assess your yard, review local permit requirements, and give you a project-specific quote. Survey averages provide a useful starting point, but site conditions, design choices, and local labor rates determine what you actually pay.

 

Get Your Personalized Colorado Pool Estimate

Survey averages give you a realistic starting point, but your actual cost depends on your yard, your location in Colorado, and the design details and upgrades you choose. A local independent Thursday Pools dealer can assess your site, walk you through pool options that fit your budget, and give you a project-specific quote, whether you’re in Denver, Colorado Springs, Fort Collins, Boulder, Pueblo, Castle Rock, or anywhere across the state.

Thursday Pools manufactures fiberglass pool shells and does not install pools. Pools are installed by locally owned independent dealers. Consumers should consult a local independent dealer for the most accurate and updated information based on the unique conditions of their region and property.