Welcome to Poseidon’s Custom Pools, Alexandria Township, NJ’s expert source for tailored pool design and construction. We excel in crafting stunning pools that align with your individual taste and transform your outdoor living. Whether you seek a quiet escape after work or a central spot for entertaining friends, our professional team works to build your dream oasis. Utilizing top-quality materials and reliable methods, we ensure your pool combines luxury looks with enduring value. Consult with Alexandria Township’s best pool designers today!
At Poseidon's Custom Pools, your satisfaction drives everything we do. We take the time to understand your needs and collaborate closely with you, ensuring your pool project not only meets but exceeds your expectations.
With more than 25 years in the pool industry, our skilled team brings unmatched expertise to every project in Alexandria Township. We stay ahead of the curve with the latest trends and technologies to provide innovative, high-quality solutions.
We’re committed to excellence. By using premium materials and employing the region’s top craftsmen, we ensure your pool is not just visually stunning but built to stand the test of time.


Our expert swimming pool contractors are dedicated to bringing your vision to life. Whether you desire a classic pool, a contemporary oasis, or a unique water feature, we have the expertise to make it a reality.
Is your existing pool in need of a transformation? We excel in pool renovation and remodeling, updating and enhancing your pool to meet your current preferences and needs.
Ensure your pool remains in pristine condition with our comprehensive maintenance and repair services.From regular cleaning to equipment repairs, we provide solutions to keep your pool functional and beautiful.
Elevate your pool experience with custom features such as waterfalls, spas, lighting, automation systems, and more. Our team can create a pool that suits your lifestyle and desires.
We’re proud to bring our custom in-ground pool installations, gunite pool expertise, and pool renovation services to communities throughout Eastern PA, NJ, and DE. Whether you’re dreaming of a saltwater pool system with LED lighting or need pool leak detection and repair, we’ve got you covered. Here are the areas we serve:
Our design team is considered to be the best swimming pool and outdoor living designers in the region.
No customer will be delivered a Poseidon Custom pool with out 100% satisfaction!
Our crews are fully licensed and insured in Pennsylvania, New Jersey & Delaware.
We are at your service and will take your calls at any time and any day of the week.







For a luxury project in Alexandria Township, NJ, the building process usually takes 8 to 12 weeks. Poseidon’s Custom Pools handles every detail from your initial 3D design through the specific Alexandria Township construction permit phase ($350 for inground pools), ensuring your project moves from “hole-in-the-ground” to “backyard oasis” as smoothly as possible.
Alexandria Township is part of the protected Highlands Region, but adding a pool is typically covered under Exemption #5 for existing homes. Poseidon’s Custom Pools manages the required Highlands Exemption application and all NJDEP-related paperwork, so you can build your dream pool without getting bogged down in state environmental bureaucracy.
Absolutely. Many Alexandria Township properties feature older, larger pools that may require significant structural or aesthetic updates. Poseidon’s Custom Pools specializes in high-end renovations—including resurfacing, tile replacement, and equipment upgrades—to bring your existing pool up to modern luxury standards while respecting your property’s natural landscape.
Alexandria Township is known for its dense “red shale” and rocky terrain. Poseidon’s Custom Pools uses heavy-duty excavation machinery specifically designed to break through this hard Hunterdon County ground. We ensure a rock-solid, stable foundation for your pool shell, preventing the settling and structural issues that less experienced builders might overlook.
Yes, we integrate the latest smart-pool technology into every project. Homeowners in Alexandria Township can manage their pool’s temperature, lighting, and chemical levels directly from their smartphone. This brand-centric automation makes maintenance effortless, whether you are relaxing at home or away on vacation.
Alexandria Township has specific zoning for accessory structures like pools (H-7). While residential setbacks for main houses can be quite large (often 35–100 feet in AR zones), we perform a full site analysis to confirm the exact placement for your pool and equipment. Poseidon’s Custom Pools ensures every build complies with local yard requirements to avoid costly zoning violations.
Safety is our top priority. We ensure every Alexandria Township pool is protected by a code-compliant, 48-inch high safety barrier with self-closing and self-latching gates. We offer a variety of high-quality fencing styles that satisfy NJ state safety laws while complementing the scenic, rural charm of your Alexandria Township estate.