ADU & New Construction Plumbing in Los Angeles
Straightforward ADU & New Construction Plumbing for Los Angeles — clear pricing, on your schedule.

ADU & New Construction Plumbing in Los Angeles
This specialized plumbing service focuses on the design, installation, and connection of all plumbing systems for newly built structures, including Accessory Dwelling Units (ADUs) and ground-up new homes in Los Angeles. Property owners need this service when constructing any new building or adding a detached living space to an existing property, ensuring all water supply, drainage, and gas lines are properly integrated and compliant.
Proper plumbing installation in new construction is critical for the long-term functionality, safety, and value of the property. Neglecting this service can lead to costly leaks, water damage, health hazards, and failure to pass mandatory Los Angeles building inspections.
What's included in ADU & New Construction Plumbing
The difference
A crew that knows Los Angeles — its streets, access, and parking.
One point of contact from quote to cleanup.
A team that treats a small job with the same care as a big one.
Work done to code and signed off before we leave.
Follow-up after the job to make sure it's right.
Flat rates you can plan around, with no surprise add-ons.
Serving Los Angeles & nearby
Our crews work across Los Angeles and the surrounding Orange County area every week. From 6th Street Viaduct Arts Plaza and Hauser and Wirth Los Angeles to the quiet residential streets, Los Angeles property owners trust Quick Horse Plumbing for ADU & New Construction Plumbing done right the first time.
Serving Los Angeles and areas near 6th Street Viaduct Arts Plaza, Hauser and Wirth Los Angeles, Row DTLA, Arts District Co Op.
Our process
Tell us the job
Call or send a quick note about your ADU & New Construction Plumbing needs in Los Angeles.
Get a clear quote
We size it up and send a flat price — usually the same day.
We handle it
Our Orange County crew shows up on schedule and finishes clean.
What affects the cost of ADU & New Construction Plumbing
Frequently asked questions
Do you handle the permitting process for new plumbing installations in Los Angeles?
Yes, we assist with and often manage the plumbing permit acquisition process, ensuring all installations comply with Los Angeles building codes and regulations.
Can you help with plumbing design for my new ADU?
Absolutely. We work with homeowners and contractors to design efficient and compliant plumbing layouts tailored to your ADU's specific needs and local Los Angeles requirements.
What is the typical timeframe for new construction plumbing?
The timeframe varies significantly based on project size, but rough-in plumbing for an ADU can take 1-2 weeks, followed by fixture installation after the structure is enclosed.
Do you install gas lines for new construction?
Yes, our services include the complete installation of new gas lines for appliances, water heaters, and furnaces in your new construction or ADU, ensuring all safety standards are met.
Can you handle commercial jobs?
Yes. We cover both residential and commercial ADU & New Construction Plumbing in Los Angeles.
Do you give quotes upfront?
Yes — you get a clear, flat price before any work begins, with no hidden fees.
What Orange County homeowners say
“Had a plumbing emergency late at night, and Quick Horse Plumbing responded immediately. Saved the day!”
“Called them for a clogged drain and they were at my house within the hour. Problem solved without any fuss. Great job!”
“From scheduling to completion, everything was smooth. A truly professional plumbing company.”
We stand behind our work with a comprehensive guarantee. If you're not completely satisfied with our plumbing service, we'll make it right.