Massachusetts · Inground Pool Builders & Contractors · Updated 2026
Compare 38 inground pool builders in the Marlborough area for new inground pool construction. Ratings, review counts, contact details and 2026 planning prices by pool type are below. 21 are listed as specialists for this work; the rest are pool builders that routinely handle it. This page shows the top 20.
Ordered by customer rating and review count across the Marlborough area. Listings include the available rating, contact details and location; confirm current credentials and scope directly.
Planning a new pool as well? The Marlborough pool builders directory ranks all 87 builders in the area.
Installed prices in Marlborough run from $56,500–$87,500 for a mid-size vinyl liner pool to $94,000–$150,000 for a comparable gunite pool, with fiberglass in between at $72,500–$106,500. Decking, fencing and permits stack on top:
| Job | Typical Marlborough price |
|---|---|
| Vinyl liner pool, installed (about 16×32) | $56,500–$87,500 |
| Fiberglass pool, installed (about 14×30) | $72,500–$106,500 |
| Gunite / concrete pool, installed (about 16×32) | $94,000–$150,000 |
| Attached spa or spillover | $15,000–$44,000 |
| Decking and coping around the pool | $7,500–$25,000 |
| Safety fence and gates | $2,500–$7,500 |
| Permits, engineering, utility locates | $600–$4,400 |
| Typical all-in project with deck and fence | $87,500–$187,500+ |
| Ongoing upkeep (chemicals, power, service) | $1,400–$3,400 / year |
Massachusetts pricing is above the national baseline used for these estimates, mainly on labor and permitting. Soil, access for excavation equipment, slope, utility relocation and the finish and feature package move a quote more than the pool's footprint does — compare itemized bids for the same size and type.
Fiberglass, gunite and vinyl bids are not comparable to each other — settle the type (or ask each builder to bid two), then compare like for like.
Marlborough market
4.3 average customer rating · 1289 reviews · 38 companies · 21 specialists
See All on the Map →38 inground pool builders in the Marlborough area. 21 are listed as specialists for this work; the rest are pool builders that routinely handle it. The ranked companies average 4.3 stars across 1,289 customer reviews. PoolPad orders the list with a weighted score that combines customer rating and review count, so a long track record counts for more than a handful of scores.
New England geology bites here: glacial till, boulders, and ledge make excavation the wildcard line item, so get rock language in writing. Frost-depth plumbing and freeze-thaw concrete are standard, wetlands setbacks are common in the suburbs, and tight colonial-era lots put a premium on access planning. Gunite leads the western suburbs and the Cape's high end; vinyl liner carries the value market. Automatic covers, heat pumps, and salt systems are mainstream, and fiberglass keeps growing for its fast install inside a short build season.
For statewide rankings, city counts and Massachusetts prices, see the Massachusetts inground pool builders directory, or check the nearby cities below.
Get at least three itemized bids for the same type and size, visit finished pools that are a few years old, and read the warranty for the shell, the finish and the equipment separately. Ask how the company handles rock, groundwater and access problems once digging starts. Massachusetts licenses Construction Supervisors and registers Home Improvement Contractors — verify both where they apply, plus insurance. Pool permits run through your town with strictly enforced barrier requirements (fencing, self-latching gates, alarms where applicable), and inspectors here genuinely check. Wetlands commissions add review on plenty of lots.
Installed in Marlborough, MA, a mid-size vinyl liner pool typically runs $56,500–$87,500, a fiberglass pool $72,500–$106,500 and a gunite pool $94,000–$150,000. With decking, a fence and permits most complete projects land at $87,500–$187,500+. Massachusetts pricing is above the national baseline used for these estimates, mainly on labor and permitting; the size, finish, features and site conditions move the number most.
There is no single best type. Fiberglass installs fastest and is the easiest to maintain but comes in fixed shapes; gunite can be any shape with any feature but costs more to build and to resurface later; vinyl liner has the lowest upfront price but needs a new liner every eight to twelve years. Match the type to your budget, your yard, how long you plan to stay and how much maintenance you want.
A fiberglass pool is often swimmable two to six weeks after excavation; a vinyl liner pool four to eight weeks; a gunite pool eight to sixteen weeks because the shell has to cure before tile, coping and the finish go on. Permitting adds two to eight weeks up front, and decking and landscaping follow the pool. Most crews dig in the off-season so the pool is ready when the season opens.
Most residential pools are 3 to 6 feet with a deep end of 6 to 8 feet; diving depths of 8 feet or more need a longer pool and a larger excavation. Fiberglass shells are limited to the manufacturer's molds (commonly 6 to 8 feet), while gunite and vinyl liner pools can be built to almost any profile, including sport pools that are shallow at both ends.
The outdoor season in Marlborough runs June through mid-September — about 4 months unheated. A full professional winterization each fall protects plumbing and equipment through the freeze, and spring openings cluster into the same few weeks. June to mid-September is the typical unheated window, and heaters are common. Winters are long, snowy, and freezing, so a thorough close and snow-rated safety cover are baseline equipment.
Legacy StoneWorks has the highest customer rating on this Marlborough list at 5 stars across 51 reviews. Advanced Spa And Pool (ASAP) has the largest review count (246 reviews at 4.6 stars). PoolPad orders the list with a weighted score that combines customer rating and review count, so a long track record counts for more than a handful of scores.
Massachusetts licenses Construction Supervisors and registers Home Improvement Contractors — verify both where they apply, plus insurance. Pool permits run through your town with strictly enforced barrier requirements (fencing, self-latching gates, alarms where applicable), and inspectors here genuinely check. Wetlands commissions add review on plenty of lots.
Budget $1,400–$3,400 / year for chemicals, electricity and routine service, more for a heated pool or a weekly cleaning route. Fiberglass and vinyl surfaces use fewer chemicals than plaster; a variable-speed pump and an automatic cover cut running costs the most.
Check inground pool builders in cities near Marlborough, or open the Massachusetts directory for every listed market in the state.
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