New Construction and Remodeling Plumbing

So you’ve decided to build a new home or to finally get started on a property addition. That’s great! One of the next steps you or your contractor are going to have to take is finding a reliable plumber to install your plumbing. Since you're reading this, you’ve ended up in the right place.

Dennis LaSassa Jr. Plumbing is a family owned and operated business in Hammonton, NJ. We are committed to providing professional and long lasting plumbing solutions to our clients. And thanks to 40 years of trade experience, there is no plumbing project we can’t handle. For both residential construction to commercial projects, rely on our experience to handle the design and installation of your plumbing.

Take one step closer to your new residential or commercial property in Hammonton, NJ. Call Dennis LaSassa Jr. Plumbing for a free estimate today!

Get professional plumbing for your new home

New construction plumbing installation in Hammonton, NJ

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What We Offer

We offer a range of services to meet the needs of every new construction plumbing project. We’ll assess the project scope from ground up: is it a single family home, multi-family residential, or commercial space? Does it have a crawl space, basement, or slab foundation? No matter your layout, Dennis LaSassa Jr. Plumbing, LLC can customize the plumbing solutions needed while adhering to local building codes. Request your quote today!

Design and Planning

  • Design and installation of complete water supply, waste and vent systems

  • Blueprint mapping of kitchens, bathrooms and laundry rooms to optimize pipe runs

  • Shared wet walls to simplify installations and reduce material costs

  • Precise sizing and load calculations to ensure water supply pipes and drain lines match total household or building demand

Material Selection

  • Water supply: flexible PEX piping or copper for hot and cold lines

  • Drain and waste: durable PVC or ABS plastic piping

  • Main stacks: specialized noise-dampening cast iron for main vertical drops

Installation Phases

  • Underground/Rough-in: lay sub-slab or crawl space drain lines and main water entry points before pouring concrete or closing walls

  • Top-out/Venting: install vertical vent stacks through the roof to clear sewer gas and maintain air pressure

  • Pressure testing: test joints and connections with air or water pressure before inspection

  • Trim-out: mount final fixtures like sinks, faucets, toilets, and the water heater

  • "Honest, dependable and wonderful customer service! Answered all my questions and their rate is the best around! Don't trust anyone else but Dennis LaSassa!"

    — Bonnie Scheel

  • "If you have septic or plumbing issues, you should contact them. I was really impressed with their work. Service was provided in a very professional manner from start to finish of our septic and drain issues. John was cordial and professional from his arrival to departure. Work was done with skill, care and diligence. Was impressed with effort to keep the area serviced protected and clean, as well as the friendly service. I really appreciate them."

    — Vincenzo K.

  • "Have always used them for my clients' septic inspections and they are always willing to do the job (even if it’s far away). Always on time and always professional with my clients! Will always use them for all my plumbing needs."

    — Kate W.

Let’s Work Together

If you’ve got a new construction or remodeling project that requires plumbing expertise, complete the form with a few details about the job. We'll review your message and get back to you within 48 hours.