San Diego County · ADUs · Additions · Custom homes
ADUs, home additions & custom homes in San Diego
From the first sketch to the final walk-through, one family-owned team designs, permits, and builds your project.
- Led by a San Diego builder with over 30 years of experience
- Member, Greater San Diego Home Builders Association
- Hablamos español
What we build
ADUs
Detached, attached, and above-garage units, for family or rental income.
Learn more →Garage conversions
Turn the garage into a permitted, comfortable living unit.
Learn more →Home additions
Bedrooms, suites, and bigger kitchens that match your house.
Learn more →Second stories
Double your space without losing the yard.
Learn more →Custom homes
A new home on your lot, designed around your family.
Learn more →One team, A to Z
Most homeowners don't want to manage an architect, an engineer, a permit runner, and a builder separately. With Rom Builders you don't have to. Already have approved plans and permits? We're happy to build to them.
One team, A to Z
Design, plans, engineering, permits, and construction under one roof, with our own architects and engineers.
Our own permit expediters
They prepare your submission and work through city comments.
One project manager
The same person supervises your job from start to finish.
Daily updates
You hear from us every day while your project is being built.
See it in 3D first
You see your project in 3D renderings before anything is built.
Clear estimates
A detailed, itemized estimate and schedule before work starts.
How it works
- 01
Free consultation
You call, and we schedule a visit. We listen to what you need and look at what your property allows.
- 02
Estimate
We prepare a detailed, itemized estimate and schedule based on the consultation.
- 03
Contract
Once you approve the estimate, we sign a contract and the project starts.
- 04
Design
Our architects and engineers draw the plans, and you see the project in 3D renderings.
- 05
Permits
Our permit expediters take the plans through the city.
- 06
Materials
We purchase the finish materials before construction starts.
- 07
Construction
One project manager supervises the build and updates you every day.
- 08
Final walk-through
We walk the finished project with you and complete the final touch-ups.
Who we build for
- Growing families Kids getting older and the house getting smaller.
- Bringing a parent close Independence for them, peace of mind for you.
- After an injury Accessible, single-level space where it is needed.
- Adult children home again Their own space, on the same property.
- Staying put More room without leaving the neighborhood.
- Investors More value from land or a property you own.
Where we work
Homes across San Diego County, from Chula Vista to Oceanside and from La Jolla to El Cajon, plus Temecula. See our service area →
Ready to talk about your project?
The first visit and feasibility check are free, and we can help you look into financing.