ADU & New Construction Plumbing in San Pedro
San Pedro counts on Quick Horse Plumbing for ADU & New Construction Plumbing without the guesswork.

ADU & New Construction Plumbing in San Pedro
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 Pedro. 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 Pedro building inspections.
What's included in ADU & New Construction Plumbing
The difference
One point of contact from quote to cleanup.
Honest advice, even when the answer is 'you don't need that.'
Work done to code and signed off before we leave.
A crew that knows San Pedro — its streets, access, and parking.
Serving San Pedro & nearby
Our crews work across San Pedro and the surrounding Orange County area every week. From Peck Park and Westmont / Western Ave Corridor to the quiet residential streets, San Pedro property owners trust Quick Horse Plumbing for ADU & New Construction Plumbing done right the first time.
Serving San Pedro and areas near Peck Park, Westmont / Western Ave Corridor, Coastal San Pedro, Averill Park.
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 Pedro 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 Pedro?
Yes, we assist with and often manage the plumbing permit acquisition process, ensuring all installations comply with San Pedro 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 Pedro 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.
How fast can you start?
In most of San Pedro, we can schedule ADU & New Construction Plumbing within a day or two of your call.
Are you licensed and insured?
Quick Horse Plumbing is fully licensed and insured for ADU & New Construction Plumbing across Orange County.
What Orange County homeowners say
“Excellent service from start to finish. They replaced our water heater quickly and cleanly. Very happy with the results.”
“Had a plumbing emergency late at night, and Quick Horse Plumbing responded immediately. Saved the day!”
“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.