The Keystone Company

Construction Expertise You Can Count On

The Keystone Company brings decades of experience from custom home building to commercial development. We’ll help you get your project done the right way.

Completed Projects

Current Projects

We have a number of ongoing projects in Southern California. Together with our equity partners and industry relationships, The Keystone Company is bringing luxury homes to market with impeccable quality and competitive costs.

We specialize in custom home builds featuring complicated masonry and foundation work, fire rebuilds, and development projects with competitive margins.

We have vast experience dealing with lenders, equity partners, local jurisdictions, inspectors, public utilities, and residential customers. Through our experience and network, we offer only the highest quality workmanship and competitive pricing upon which our reputation is built.

Trancas Canyon – Malibu, CA

Our Trancas Canyon project is a 4000+ square foot, 3 story modern home featuring a subterranean basement and rooftop deck. With a pool overlooking the Pacific Ocean, and the privacy of being tucked away in Trancas Canyon, this development project is sure to attract buyers looking for a peaceful, elegant place to call home.

Pacific Coast Highway – Malibu, CA

Our Pacific Coast Highway project is a nearly 6000 square foot, two story luxury home sitting on the cliffs of Malibu. With an infinity pool, an open view of the ocean, and a private path down to the beach, this single family residence will become one of the most sought after properties in the Malibu area.

Dume Point – Malibu, CA

Our two projects atop Dume Point will bring high end custom design to two beautiful properties.

Mulholland Highway – Calabasas, CA

Working with our partners at Malibu Valley Estates, Keystone is building (and has already built) several multi-million dollar custom homes in Calabasas. With multiple ongoing and planned projects at this development, we continue to fortify our relationships with stakeholders to bring a high quality product to market at competitive margins.

the keystone company

About Keystone

The Keystone Company is a family-owned construction company based in Santa Barbara, CA. Learn more about our company here.

Project Management

We know how to manage people, timelines, and budgets to get projects done the right way. Learn about our project management services to see how we can assist you.

General Contracting

As a licensed general contractor, we can handle your build from start to finish. Connect with us to see how we can help your custom home turn into reality.

Owner’s
Representation

Save time and money while reducing stress by having us work on your behalf to complete your project. We’ll leave no stone unturned to protect your best interests.

Cost Scheduling

Our cost scheduling service assesses the costs of the building process as they relate to your project. We’ll ensure you are paying fair prices, have a realistic budget, and find ways to reduce costs throughout the construction process.

Have A Question?

We are here to help you find answers to all of your construction-related questions. Whether you want a bid, are ready to start a build, or want to inquire about how we can best serve you, reach out to us any time, and we will be happy to help.