Maryland · Local Pros · Updated 2026
192 pool builders serve the Gaithersburg area — we've ranked the top 20 by customer rating and review volume, so you can build a shortlist in minutes and compare bids like a pro.
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Ranked by customer rating and review volume across the whole Gaithersburg area. Every listing includes ratings, contact details, and location.
Want to dig past the top 20? Our nationwide pool builder finder maps all 192 companies serving the Gaithersburg area — search any address, sort by distance, and compare from there.
Typical inground pool projects in Gaithersburg run $52,000–$161,000+ installed, with most landing around $83,000 — Maryland pricing runs above the national average — expect the labor and permitting side of bids to show it. The build type sets the baseline:
| Pool type | Installed in Gaithersburg |
|---|---|
| Vinyl liner | $46k–$75k |
| Fiberglass | $57k–$103k |
| Gunite / concrete | $71k–$144k |
| Typical Gaithersburg project | $83,000 |
Treat these as planning numbers, then get three itemized bids from Gaithersburg builders before you commit. Quotes for an identical pool commonly land 20% apart in the same city, and the difference is usually scope rather than markup: decking, barrier fencing, the electrical run to the equipment pad, and putting the yard back are the items a low bid tends to leave off.
See the full national line-item breakdown in our inground pool cost guide, and pressure-test any financing offer with the pool loan calculator before you sign.
Every market has its quirks — here’s what actually moves budgets and timelines for Maryland builds:
Not sure what style fits your yard? Browse pool design ideas and pool shapes before your first builder meeting — homeowners who show up with pictures get accurate bids weeks faster. And if you’re comparing builders beyond Gaithersburg, the Maryland pool builders guide and our nationwide finder cover the whole map.
Bids for decking, shade, and an outdoor kitchen are far cheaper while the excavator is already in your yard.
There are 192 pool building companies working the Gaithersburg market, covering everything from first designs and permits through excavation, shell, plumbing, and finish work. Across the ranked list the average rating is 4.7 stars on 2856 verified reviews. Rankings use PoolPad's weighted score — rating and review volume together — so consistent, heavily-reviewed builders rise to the top of the Gaithersburg list.
Maryland's pool corridor runs from the DC suburbs through Baltimore's, with a shore market on both sides of the Bay. It's a premium-cost region with an experienced builder bench and buyers who arrive with Houzz boards — design standards here are high. For the statewide picture — top-rated pros, city-by-city counts, and Maryland pricing — see the Maryland pool builders directory.
When hiring a pool builder in Gaithersburg, weigh their experience with local soil conditions and permitting, the range of pool types they offer (gunite, fiberglass, vinyl liner), and whether they handle landscaping and hardscaping in the same contract. Look at completed projects, verify licensing and insurance for Maryland, and ask about post-construction warranties. The best builders provide a detailed written contract covering timeline, materials, and total cost — and get at least three itemized bids before you commit, because prices for the same pool routinely vary 20% or more between Gaithersburg builders.
Most inground pool projects in Gaithersburg, MD run $52,000 to $161,000+ installed, with typical projects landing around $83,000. By build type: vinyl liner $46k–$75k, fiberglass $57k–$103k, and gunite/concrete $71k–$144k. Piedmont clay west of the Bay wants good drainage and honest backfill; the Eastern Shore digs sand with high water tables and hydrostatic planning. Sloped Montgomery and Baltimore County lots often add retaining walls, and mature-tree suburbs make access and root management part of the bid. Request itemized quotes from at least three of the builders listed here to see real numbers for your yard.
Most inground pool projects in Gaithersburg take 8–16 weeks from permit approval to completion. Factors like weather, permitting timelines, material availability, and the complexity of your design can affect the schedule. Ask your builder for a detailed project timeline during the quoting process.
Start by comparing the 20 pool builders listed here, ranked by customer reviews. Look for builders with a high rating (4.5+), a large number of reviews, years of experience, and services that match your project. We recommend contacting at least 3 builders for quotes. Check their portfolios and ask about warranties, timelines, and permitting.
Yes — Gaithersburg and most municipalities in Maryland require building permits for swimming pool construction, covering structural, electrical, and plumbing inspections plus barrier/fencing requirements. Most builders listed here handle the permitting process as part of the project — confirm it in writing, along with who schedules each inspection.
The outdoor season in Gaithersburg runs mid-May through September — about 4 months unheated, and most owners add a heater to stretch both shoulders. A full professional winterization each fall protects plumbing and equipment through the freeze. Mid-May through September, humid through the middle and stretched by heaters on both ends. Winters freeze properly, so a full close remains the standard even in milder Bay-side microclimates.
NOVA Landscape Construction currently leads the Gaithersburg rankings at 5 stars across 79 reviews, with High Sierra Pools carrying the deepest review history (280 reviews at 4.2 stars). PoolPad ranks by a weighted blend of rating and review volume, so consistent performers rise above small-sample five-stars — but always get more than one quote.
Maryland licenses home improvement work through MHIC — verify the license number and insurance before signing. County permitting (and it varies meaningfully county to county) covers the pool, electrical, and residential-code barrier requirements; waterfront lots can add critical-area review. Builders who work your county weekly will quote realistic timelines.
Piedmont clay west of the Bay wants good drainage and honest backfill; the Eastern Shore digs sand with high water tables and hydrostatic planning. Sloped Montgomery and Baltimore County lots often add retaining walls, and mature-tree suburbs make access and root management part of the bid. Gunite with spas and paver decks leads the DC-side counties; vinyl liner holds strong value share elsewhere. Salt systems, heat pumps, and automatic covers are all mainstream, and compact luxury builds are rising on smaller infill lots.
Browse pool builders pros in other cities near Gaithersburg, or see every city in the Maryland directory.
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