• NEW CONSTRUCTION PLUMBING IN PORTLAND OR.

    JAM Plumbing provides professional plumbing for new homes, ADUs, townhouse developments, additions, and builder-led residential construction projects throughout Portland. From rough-in to final inspection, we deliver clean, code-compliant plumbing systems built to perform long term.

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Complete Plumbing Systems for New Builds

Successful new construction requires careful planning, precise installation, and coordination with builders and inspectors. JAM Plumbing installs complete plumbing systems for residential construction projects of all sizes throughout Portland and surrounding areas.

We help ensure your project stays on schedule while meeting Oregon plumbing code requirements from start to finish.

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Builder Coordination & Job site Reliability

JAM Plumbing understands construction schedules, rough-in deadlines, inspections, and trade coordination. We help keep plumbing phases organized so your project keeps moving efficiently.

New Construction Process

Every successful new construction plumbing project starts with proper planning. JAM Plumbing works with builders, owners, and project managers to help organize plumbing phases from underground work to final trim installation.

We help coordinate rough-in timing, fixture locations, water line routing, drain system layout, and inspection scheduling so the plumbing portion of the project moves efficiently.

Our goal is to provide clean workmanship, dependable communication, and long-term plumbing performance for every new residential build.

ADU & Detached Structure Plumbing

We provide plumbing for newly built ADUs, detached backyard homes, garage rebuild projects, and accessory dwelling units. Our team installs efficient plumbing systems designed for compact living spaces and long-term reliability.

  • Detached ADUs
  • Backyard cottages
  • New utility connections
  • Full rough-in and final plumbing

Townhomes, Multi-Unit & Development Projects

JAM Plumbing works on select townhouse, duplex, and light multi-unit residential developments. We coordinate plumbing phases, scheduling, inspections, and material planning to keep projects moving efficiently.

  • Townhouses
  • Duplexes
  • Multi-unit residential
  • Repeating floor plan efficiency

Working With Builders & General Contractors

We understand jobsite scheduling, inspections, rough-in deadlines, framing coordination, and clean professional project execution. Our goal is to make the plumbing phase smooth, organized, and inspection-ready.

  • Clear communication
  • Reliable scheduling
  • Permit coordination
  • Inspection readiness
  • Clean workmanship

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New Construction Plumbing Portland, OR

Built for Performance, Installed for the Long Term

New construction plumbing should do more than pass inspection — it should perform reliably for years to come. JAM Plumbing focuses on proper pipe sizing, efficient layouts, clean workmanship, and systems built for long-term use.

We understand that quality installed behind the walls matters just as much as what is visible at final completion

Learn more about current Oregon plumbing code standards here.

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  • Jam Concept Remodeling Before And After Remodeling And Restoration Copy

Contact JAM Plumbing for professional new construction plumbing in Portland OR.

Building a new home or residential project?

Contact JAM Plumbing for new construction plumbing in Portland OR, ADUs, townhouses, and builder-led residential developments

  • Licensed and experienced
  • Oregon code compliant installations
  • New construction planning knowledge
  • Builder-friendly coordination
  • Long-term plumbing performance.

  • Complete plumbing systems for new homes

    From underground plumbing and rough-in installations to final fixture connections, JAM Plumbing provides complete plumbing systems for new homes throughout Portland and surrounding areas.

  • ADU plumbing installation

    Complete plumbing installation for detached ADUs, backyard cottages, and accessory dwelling units, including water lines, drainage systems, venting, and fixture connections.

  • Rough-in and top-out plumbing

    Professional installation of drain, waste, vent, water distribution, and gas piping systems before insulation and drywall installation.

  • Townhome & duplex plumbing

    Efficient plumbing systems for duplexes, townhomes, and repeating floor plans, helping builders maintain quality and construction schedules.

  • Underground plumbing for residential builds

    Installation of underground water, sewer, and drainage systems before foundation work, ensuring proper layout, code compliance, and long-term performance.

  • Final fixture installation

    Installation of underground water, sewer, and drainage systems before foundation work, ensuring proper layout, code compliance, and long-term performance.

  • Water & sewer service coordination

    Coordination of water service connections, sewer systems, utility requirements, and project scheduling to help keep construction moving efficiently.

  • Plumbing layout planning for new builds

    Careful planning of fixture locations, drain routing, water distribution systems, and plumbing layouts designed for long-term performance and code compliance.

  • Drain, waste & vent system installation

    Professional installation of complete DWV systems engineered to provide reliable drainage, proper venting, and efficient system operation.

  • Water distribution systems (PEX/Copper)

    Installation of PEX-A and copper water supply systems designed to deliver dependable water flow, durability, and long-term reliability.

  • Permit & inspection coordination

    Management of plumbing permits, underground inspections, rough-in approvals, and final inspections is required throughout the construction process.

  • Builder / GC scheduling support

    Clear communication and coordination with builders, contractors, and project managers to help maintain schedules and avoid construction delays.