ADU's and Mother-in-law Suites
ADU & Mother-in-Law Suite Plumbing Installation
Complete Plumbing for Accessory Dwelling Units
Adding an ADU or mother-in-law suite is one of the smartest ways homeowners expand their property. Whether it’s a detached backyard unit, garage conversion, basement apartment, or in-law suite addition, these living spaces require a fully functional plumbing system designed for long-term reliability.
Our team works directly with contractors and builders to install the water, drain, and fixture systems that make these units comfortable and fully independent living spaces.
From the main water connection to the final fixtures, we handle the entire plumbing system so the unit functions just like a full home.
Plumbing Systems for ADU Construction
A well-designed plumbing system is essential for any accessory dwelling unit. These spaces typically include kitchens, bathrooms, laundry hookups, and water heaters, all of which must be properly integrated into the existing property infrastructure.
Our ADU plumbing services include:
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Water Supply Lines – We run new water lines from the main house or service line to supply sinks, showers, toilets, and appliances with reliable water pressure.
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Drain and Sewer Connections – Every ADU needs a properly designed drain system that connects safely to the main sewer line or septic system.
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Kitchen Plumbing – Sink supply lines, drains, garbage disposal connections, and dishwasher hookups.
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Bathroom Plumbing – Toilets, showers, tubs, and vanities installed and connected with proper venting.
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Laundry Plumbing – Washer hookups and drainage systems designed for compact ADU spaces.
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Water Heater Installation- Tank or tankless water heater solutions depending on the unit design.
Types of ADUs We Support
Contractors build ADUs in many different ways. Our plumbing team works with builders to ensure every type of unit is properly equipped.
Detached Backyard ADUs
Standalone units that require independent water and sewer connections.
Garage Conversions
Existing garages converted into living spaces with full plumbing systems.
Basement Apartments
Units that often require sump systems, ejector pumps, or specialized drainage.
Mother-in-Law Suites
Attached additions designed for family members with their own kitchen and bathroom.
Tiny Homes or Studio Units
Compact spaces that require smart plumbing layouts.
Why Choose Burton’s Plumbing for ADU's
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Expert Technicians – Skilled in modern repipe techniques for all home types.
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High-Quality Materials – We only use pipe products we trust.
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Clear Communication – Upfront pricing and timeline before we start.
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Clean & Respectful Work – We protect your home and clean up daily.
Our ADU Plumbing Process
Project Planning
We review building plans and determine the best layout for water supply, drain lines, and venting.
Rough-In Installation
All water and drain lines are installed during framing so walls and floors can be closed properly.
Fixture Installation
Once construction is complete, we install sinks, faucets, toilets, showers, and appliances.
Final
Testing
The entire plumbing system is tested to ensure proper pressure, drainage, and code compliance.
Partner With a Plumbing Team That Understands ADU Constructionbing Process
Accessory dwelling units are becoming increasingly popular for rental income, multi-generational housing, and backyard living spaces.
Whether you’re building a single ADU or multiple units for clients, our plumbing team can help you deliver a finished space that functions perfectly.
Schedule a consultation today to discuss plumbing for your ADU or mother-in-law suite project.
Built to Code. Built to Last.
ADU construction must meet local plumbing codes and inspection requirements. Our licensed plumbers ensure every installation meets the proper standards so contractors and homeowners can move forward with confidence.
We Focus On:
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Clean, professional installations
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Durable plumbing materials
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Efficient water and drain layouts
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Clear communication with contractors
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Reliable timelines