
New Custom Home
Custom home
A woman-owned builder creating custom homes and thoughtful remodels, delivered on budget and on time.
A beautiful home starts with a builder who listens. We guide every project from first sketch to final walkthrough, and we keep it on budget and on schedule.
Mia Marcantonio, Owner
From a ground-up custom home to a single room, every project gets the same care.
01Ground-up homes designed around how you live, coordinated with your architect and engineers from day one.
02Whole-home renovations, second stories, and additions that feel like they were always there.
03Cabinetry, stone, tile, and lighting brought together with tight detailing.
04Landscapes, hardscape, and lighting that extend the home outdoors.
A look at recent homes, remodels, and a custom build in progress.

Custom home

Custom home

Remodel

Kitchen

Outdoor living
We walk the site, listen to your goals, and talk honestly about budget and timing.
We work with your architect and engineers on plans, pricing, and permits, so there are no surprises later.
Licensed, bonded, and insured trade partners build to the plan while you get regular updates.
We review every detail with you and hand over a finished home, on time and on budget.

Mia Marcantonio began her career at a structural engineering firm in Pasadena working on hospitals and schools, then moved to an architecture firm in Newport Beach. After seven years she turned to residential construction, working for two of the largest custom home builders in Orange County.
She founded MS Custom Homes to build differently: with real attention to each client's wellbeing, and a firm commitment to finishing on budget and on time.
Tap into your home's equity with a home equity line of credit or loan from EquityFast by E Mortgage Capital. Check your options online in minutes, then build with us.
Explore financing(opens in a new tab)Financing is provided by E Mortgage Capital, Inc. (NMLS #1416824), not by MS Custom Homes, Inc. Subject to credit approval. Equal Housing Opportunity.

Tell us about your home, your lot, or the room you have been dreaming about. We will reply within one business day.