ADU & New Construction Plumbing in San Diego
Book ADU & New Construction Plumbing in San Diego with a team that picks up the phone and shows up on time.

ADU & New Construction Plumbing in San Diego
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 San Diego. 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 San Diego building inspections.
What's included in ADU & New Construction Plumbing
The difference
Right-sized service, so you never pay for more than you need.
Honest advice, even when the answer is 'you don't need that.'
Flat rates you can plan around, with no surprise add-ons.
One point of contact from quote to cleanup.
Serving San Diego & nearby
Our crews work across San Diego and the surrounding Orange County area every week. From Peninsula and Downtown / Harbor area to the quiet residential streets, San Diego property owners trust Quick Horse Plumbing for ADU & New Construction Plumbing done right the first time.
Serving San Diego and areas near Peninsula, Downtown / Harbor area, Midway–Pacific Highway, Midway District.
Our process
Quick estimate
Share the details and get a fast, no-obligation quote.
Schedule it
Pick a time that works — evenings and weekends included.
Sit back
We deliver ADU & New Construction Plumbing in San Diego and follow up after.
What affects the cost of ADU & New Construction Plumbing
Frequently asked questions
Do you handle the permitting process for new plumbing installations in San Diego?
Yes, we assist with and often manage the plumbing permit acquisition process, ensuring all installations comply with San Diego 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 San Diego 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 San Diego.
What areas do you cover?
We serve San Diego and the surrounding Orange County communities.
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!”
“Excellent service from start to finish. They replaced our water heater quickly and cleanly. Very happy with the results.”
We stand behind our work with a comprehensive guarantee. If you're not completely satisfied with our plumbing service, we'll make it right.