Masterfully Built. Timelessly Designed.

A boutique builder of ground-up California estates — where architecture, engineering, and construction move as one.

A limited number of commissions each year.

Man in a brown jacket and black pants walking on a garden path bordered by trimmed hedges.

THE PRACTICE

Meet the Founder

One owner. One vision. One unbroken line.

Joseph Hanna Development builds enduring estates from the ground up, across the most coveted addresses of the San Diego coast.

Architecture, engineering, and construction are held as one from the first conversation — so a single vision carries, undiluted, from raw land to the final walk-through. A small practice, by design.

A handful of commissions a year, each given a principal’s whole attention.

Modern single-story house with arched windows, gated stairs, beige exterior, and landscaping at dusk.

THE FLAGSHIP

LAKE SAN MARCOS, CALIFORNIA

Bluesage

A single-level modern Spanish estate, set within the quiet enclave of Lake San Marcos. Our flagship commission — offered once, to a single owner.

Discover Bluesage

A small, deliberate portfolio.

SELECTED ESTATES

ALLURE

Del Mar · Coastal Estate

BLUESAGE

Lake San Marcos · Spanish Estate

SERENITY

Modern kitchen with large gray marble island, gold lighting fixtures, wooden floor, and glass wall.

La Jolla · Modern Estate

View the Estates

BUILT TO ENDURE

The truest measure of a home is how it ages.

Quietly. Beautifully. For generations. We build for the decades of living that follow the final walk-through — never for the season’s trends.

THE APPROACH

Architecture, engineering, and construction — as one.

We begin in conversation, before a single line is drawn. From there, one accountable team carries the work from land and feasibility, through design, through the build itself.

Our Approach

PRIVATE COMMISSION

Begin with a private conversation.

We accept a limited number of commissions each year.

Make an Inquiry