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DIAP Information

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Dan Ionescu Architects & Planners (DIAP) is an experienced and versatile design firm based in the San Francisco Bay Area. Founded in 1982, DIAP's portfolio includes work on four continents, from strategic regional plans to mixed-use developments to single family homes. Dan Ionescu brings his site-specific approach and extensive international experience to each project, and is committed to close communication with clients. DIAP is a diverse, collaborative team that finds elegant solutions for complex problems, and produces functional, beautiful, cost-effective, and sustainable designs.

Website http://www.diap.com/
Revenue $4 million
Employees 28 (23 on RocketReach)
Founded 1982
Address 1611 Borel Place Suite 230, San Mateo, California 94402, US
Phone (650) 570-6681
Fax (650) 570-6540
Technologies
Industry Architecture and Planning, Architecture, Engineering & Design, Site-Specific Design, Construction, Architecture, Urban Design, Strategic Regional Planning, Mixed-Use Developments, Master Plans, Year-Round Resorts And Hospitality Villages
Web Rank 22 Million
Keywords Architecture, Design, Planning, Design Firm, Architectural Design, Planning Firm, Urban Design, Building Design, Master Planning, Mixed Use Development, Development Planning, Site Planning, Regional Planning, Strategic Planning, Land Use Planning, Project Planning, Sustainable Design, Construction Drawings, Environmental Planning, Community Planning
Competitors Daifuku, Dematic, SSI SCHÄFER, Swisslog, KNAPP, Frazier Industrial Company, Kiva Systems - an Amazon company, Intelligrated, Cimcorp Group +36 more (view full list)
SIC SIC Code 871 Companies, SIC Code 87 Companies
NAICS NAICS Code 54 Companies, NAICS Code 541 Companies, NAICS Code 54131 Companies, NAICS Code 5413 Companies

DIAP Questions

The DIAP annual revenue was $4 million in 2026.

Dan Ionescu is the Founder and Principal of DIAP.

23 people are employed at DIAP.

DIAP is based in San Mateo, California.

The NAICS codes for DIAP are [54, 541, 54131, 5413].

The SIC codes for DIAP are [871, 87].

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