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About Us

TRE Architecture is a Southern California architectural practice creating spaces that are enduring, refined, and distinctive. Rooted in custom residential design, the studio also works across multi-family, commercial, and hospitality projects throughout the region. Every project begins with listening and is shaped by climate, proportion, light, and the character of place. From Rancho Santa Fe to the Southern California coast, TRE Architecture designs spaces that are purposeful, lasting, and deeply connected to how people live. The practice traces its roots to 1967, when Amato Teta established his architectural studio in San Diego after graduating from Carnegie Mellon University. Allan Teta later joined the practice after earning his degree from the University of Southern California and gaining experience across several award-winning firms. Together, their father-son collaboration established a legacy grounded in thoughtful design, technical precision, and long-standing regional expertise. Today, TRE Architecture brings decades of experience and a collaborative approach to every project, guiding clients from initial conversation through built reality.

Awards

Best of Houzz Service Award 11X Best Residential Architect Carlsbad and Oceanside - Home Builder Digest Best Residential Architect San Diego - San Diego Architects Best Architecture Firms San Diego - Archareer 2017 BUILD Magazine - Architecture Top 50

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Business Details

Business Name

TRE Architecture

Phone Number

(619) 847-0860

Address

2110 S. Coast Highway Suite O
Oceanside, CA 92054

Typical Job Cost

$20,000 - 400,000

$20,000 - 400,000

License Number

C5148

Followers

230 Followers

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Services Provided

Architectural Design

Building Design

Home Remodeling

Architectural Drawings

Custom Homes

House Plans

New Home Construction

Home Extensions

Sustainable Design

Energy-Efficient Homes

Floor Plans

3D Rendering

Accessory Dwelling Units (ADUs)

Green Building

Space Planning

Guesthouse Design & Construction

Universal Design

Historic Building Conservation

Project Management

Handicap-Accessible Design

Custom Home

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Areas Served

San Diego

Oceanside

Carlsbad

Vista

San Marcos

La Costa

Indio

San Clemente

Encinitas

Palm Desert

Palm Springs

La Jolla

San Juan Capistrano

Dana Point

Laguna Beach

Cardiff By The Sea

Bonsall

Del Mar

Rancho Santa Fe

Orange County

Ranch Santa Fe

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Credentials

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6 Ideabooks

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Frequently Asked Questions