Maryland · Local Pros · Updated 2026
189 pool builders serve the Gaithersburg area. This page shows the top 17, ordered by a weighted mix of customer rating and review count, with local cost guidance for planning your shortlist.
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Ordered by customer rating and review count across the Gaithersburg area. Listings include the available rating, contact details, and location; confirm current credentials and scope directly.
Need the full market? The nationwide pool builder finder maps all 189 companies serving the Gaithersburg area and lets you search by address or sort by distance.
Typical inground pool projects in Gaithersburg run $52,000–$161,000+ installed, with many landing near $83,000. Maryland pricing is above the national baseline used for these estimates, mainly on labor, permitting, and engineering. Use the pool type as a starting point:
| 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 against the same scope. Quotes for an identical pool can land 20% apart in one city; compare decking, barrier fencing, electrical runs, drainage, permits, and yard repair before comparing the bottom line.
The inground pool cost guide covers common line items, and the pool loan calculator shows what the financed portion does to the monthly payment.
Discuss these Maryland conditions before a builder finalizes the price and schedule:
Bring a few reference photos and a rough must-have list to each site visit so builders quote the same target. Browse pool design ideas and pool shapes; to search farther out, use the Maryland pool builders guide or the nationwide finder.
Ask for decking, drainage, shade, lighting, and outdoor-kitchen work as separate options while access is still open.
Gaithersburg market
4.7 average customer rating · 2416 reviews · 189 companies
See All on the Map →There are 189 pool building companies working in Gaithersburg, covering design, permits, excavation, shell, plumbing, and finish work. Across the ranked list, the average customer rating is 4.7 stars on 2416 reviews. PoolPad weighs rating and review count together rather than sorting on the star average alone.
Maryland's main pool corridor runs from the DC suburbs through Baltimore, with additional shore markets on both sides of the Bay. Costs run above the national baseline, and clay, high water tables, slope, and county permitting create different bid profiles. For statewide rankings, city counts, and Maryland pricing, see the Maryland pool builders directory.
Ask about experience with Gaithersburg soil, access, drainage, and permit offices, then check completed projects in the pool type you want: gunite, fiberglass, or vinyl liner. Confirm current licensing where required and insurance with the issuing source. The contract should spell out materials, allowances, exclusions, timeline, change-order pricing, payment milestones, and warranty responsibility. Compare at least three itemized bids against the same scope.
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 needs good drainage and properly compacted backfill; the Eastern Shore has sand, high water tables, and hydrostatic planning. Sloped Montgomery and Baltimore County lots often add retaining walls, while mature-tree suburbs make access and root management part of the bid. Request itemized quotes from at least three builders to price your site and scope.
Most inground pool projects in Gaithersburg take 8–16 weeks from permit approval to completion. Weather, inspections, material availability, access, and design complexity can extend the schedule. Ask each bidder to separate permit lead time from construction time and identify the milestones that control payments.
Use the customer rating and review count to narrow the 17 builders listed here, then inspect recent projects and reviews. Confirm current licensing where required, insurance, permit responsibility, warranties, and payment milestones. Give at least three builders the same project brief so their itemized quotes are comparable.
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 has the highest customer rating in this Gaithersburg list at 5 stars across 79 reviews. High Sierra Pools has the largest review count (280 reviews at 4.2 stars). The directory order uses rating and review count together, so the highest star average is not always the number-one result.
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 needs good drainage and properly compacted backfill; the Eastern Shore has sand, high water tables, and hydrostatic planning. Sloped Montgomery and Baltimore County lots often add retaining walls, while 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.
Check pool builders in cities near Gaithersburg, or open the Maryland directory for every listed market in the state.
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