Diablo, Contra Costa County, California

Diablo Country Club Luxury Interior Designer

Kenneth Bordewick — The Billion Dollar Designer — brings Beverly Hills' highest standard of ultra-luxury interior design to Diablo.

Beverly Hills Luxury Interiors

Diablo Country Club Luxury Interior Designer

Diablo, California, is among the most storied and exclusive residential enclaves in all of Northern California. Founded in 1912 around the Diablo Country Club — one of the oldest private golf clubs in the Bay Area — this unincorporated community sits at the base of Mt. Diablo in Contra Costa County, home to no more than a few hundred residences, zero commercial development, and an atmosphere of Old California aristocratic reserve that is utterly unlike anything else in the region.

The homes in Diablo range from historic Spanish Colonial and Craftsman bungalows built in the 1910s and 1920s to substantial post-1990 custom estates on multi-acre lots. What unites them is a sense of permanence, a deep relationship with the landscape, and an owner profile that values discretion above all. Diablo's residents are typically Bay Area establishment figures: tech company founders, private equity partners, established medical professionals, and multi-generational California families.

Beverly Hills Luxury Interiors approaches Diablo commissions with an understanding that this community rewards restraint and craftsmanship above spectacle. Kenneth Bordewick — renowned internationally for his ability to calibrate exactly the right degree of luxury for each client and context — brings a design sensibility to Diablo that honors the property's architectural heritage, its relationship to the mountain and the golf course, and the private, civic character of this extraordinary community.

Whether the commission is a historic adobe renovation, a Frank Lloyd Wright-inspired contemporary estate, or a traditional manor house, BHLI's work in Diablo reflects the deepest California luxury tradition: materials sourced with intention, craftsmanship executed without compromise, and spaces designed for lives of genuine substance rather than performance.

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What We Offer

Ultra-Luxury Design Services

Historic Estate Renovation

Meticulous renovation and redesign of Diablo's historic Spanish Colonial, Tudor, and Craftsman properties — preserving architectural integrity while delivering contemporary ultra-luxury interiors worthy of this irreplaceable community.

Contemporary Estate Design

For Diablo's newer custom estates, BHLI creates interiors of understated California grandeur: natural stone, hand-planed timber, artisanal metalwork, and bespoke furnishings that connect the house to its extraordinary mountain and fairway setting.

Luxury Wellness Design

Private biohacking suites featuring infrared sauna, cold plunge, red light therapy, hyperbaric oxygen, IV therapy, cryotherapy, float tanks, and private performance gyms — integrated seamlessly into the estate.

Historic & Estate Restoration

Meticulous restoration of historic mansions, heritage estates, palaces, and landmark properties — returning them to their original grandeur while integrating contemporary luxury standards. From original plasterwork and period millwork to structural stone, frescoes, and authentic period materials, Kenneth Bordewick honors the past while elevating each property to its highest possible expression.

Common Questions

Frequently Asked Questions

What makes Diablo Country Club unique among East Bay luxury communities?

Diablo is genuinely one-of-a-kind: a century-old private residential enclave centered on one of California's oldest country clubs, with zero commercial development, a small number of exceptional homes, and a community culture of absolute discretion and civic pride. It is the East Bay's most coveted address for clients who prize authenticity, privacy, and deep California heritage over new-money spectacle.

Can Beverly Hills Luxury Interiors handle a Diablo Country Club renovation?

Yes. BHLI has deep experience with historic renovation projects where architectural heritage, HOA guidelines, and the client's vision for contemporary luxury must all be reconciled. Kenneth Bordewick personally consults on every historic renovation to ensure the approach honors the property's irreplaceable character.

What is the investment range for a Diablo estate interior design project?

Diablo estates are highly individual, and project investment varies accordingly — from focused room renovations to full multi-structure estate transformations. Contact BHLI at kenneth@bhli.us for a confidential conversation about your specific property and vision.

Does BHLI design wellness spaces for Diablo Country Club homes?

Absolutely. Many Diablo commissions now include private spa and wellness environments — infrared sauna, cold plunge, private gym, red light therapy suites — designed to feel as architecturally refined as the rest of the estate. BHLI integrates these spaces with the same level of material quality and design intention as every other room.

How private and discrete is the Beverly Hills Luxury Interiors client experience?

Absolute discretion is a BHLI core value. Kenneth Bordewick's client roster includes some of the world's most recognizable individuals, and our entire process — from initial consultation to project completion — is conducted with complete confidentiality. NDAs are standard.

Begin Your Project

Commission Your Diablo Estate

Contact Beverly Hills Luxury Interiors to begin a private consultation with Kenneth Bordewick — The Billion Dollar Designer.

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