Hathaway Dinwiddie Construction Company (HDCCo) is a premier, 100% employee-owned general contractor with a legacy spanning over a century. They specialize in a diverse range of construction projects, including commercial offices, state-of-the-art life science facilities, academic institutions, multi-family residential complexes, and advanced healthcare centers. Renowned for their commitment to quality, safety, sustainability, and innovation, HDCCo primarily operates in California and the Pacific Northwest, consistently delivering iconic and complex buildings for a variety of respected clients.
Serves as the main corporate office, housing key executive leadership, strategic planning, finance, marketing, preconstruction services, and overall project management oversight for Northern California operations.
The headquarters is located in a modern, high-rise office building, providing a professional environment with advanced facilities and convenient access for clients and partners in downtown San Francisco.
Reflecting its employee-owned structure, the work culture at the headquarters emphasizes collaboration, accountability, innovation, and a strong sense of shared purpose. There is a focus on professional growth, client satisfaction, and upholding the company's reputation for excellence.
The San Francisco headquarters is pivotal for managing large-scale and complex construction projects throughout the Bay Area and Northern California. It represents the historical core of Dinwiddie Construction, one of the company's foundational pillars, and underscores its long-standing commitment to shaping the region's built environment.
Hathaway Dinwiddie's operations are concentrated within the United States, with a strong and established presence on the West Coast. Their primary areas of activity are Northern California (centered around the San Francisco Bay Area), Southern California (centered around Los Angeles), and the Pacific Northwest (centered around Seattle). The company provides a full spectrum of construction services globally from these US bases, including preconstruction, general contracting, construction management, design-build, and sustainable building solutions across various market sectors. They do not currently maintain physical international offices.
275 Battery Street, Suite 300
San Francisco
CA
USA
Address: 8601 Hayden Place, Culver City, CA 90232
Serves as the hub for operations in the dynamic Los Angeles metropolitan area and the broader Southern California region, a critical market for large-scale construction and innovative development.
Address: 3131 Jay Street, Suite 200, Santa Clara, CA 95054
Strategically positioned to support the robust innovation economy of Silicon Valley, providing specialized construction services to the world's leading technology companies, biotech firms, and research institutions.
Address: 1008 Western Ave, Suite 300, Seattle, WA 98104
Caters to the rapidly growing construction market in Seattle and the surrounding Pacific Northwest region, leveraging the company's extensive experience in complex urban projects and sustainable building practices.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, Hathaway Dinwiddie Construction Company' leadership includes:
Hathaway Dinwiddie Construction Company has been backed by several prominent investors over the years, including:
In the past year, Hathaway Dinwiddie has focused on strengthening its regional leadership, highlighted by the strategic appointment of Todd L. D'Arcy as Executive Vice President for the Northwest. This move aims to bolster the company's growing presence and operational capabilities in the Pacific Northwest. No major executive departures have been publicly announced during this period.
Discover the tools Hathaway Dinwiddie Construction Company uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Hathaway Dinwiddie Construction Company (hdcco.com) most commonly uses the email format consisting of the first initial followed by the last name. While this is the predominant pattern, other formats may exist within the organization for specific roles or legacy systems.
flast@hdcco.com
Format
jdoe@hdcco.com (example for Jane Doe)
Example
85%
Success rate
hdcco.com • July 27, 2023
Hathaway Dinwiddie celebrated a significant milestone with the topping out of Phase 2 at Kilroy Oyster Point in South San Francisco. This event marks the structural completion of new state-of-the-art life science buildings, further solidifying HDCCo's expertise in complex R&D facility construction....more
ENR California • May 22, 2023
Hathaway Dinwiddie was distinguished as ENR California's Contractor of the Year for 2023. The recognition lauded the company's impressive portfolio of completed projects, its unwavering commitment to innovation and safety, and its strong, employee-focused company culture....more
DJC Seattle • March 17, 2023
Hathaway Dinwiddie Construction Co. announced the strategic hiring of Todd L. D'Arcy as executive vice president. D'Arcy is tasked with leading and expanding the company's growing Northwest operations, based out of its Seattle office, signifying a strengthened focus on the Pacific Northwest market....more
See where a company’s workforce is located, by country or region.
View past and recent funding rounds with amounts and investors.
Understand company revenue estimates and financial scale.
Track active roles and hiring trends to spot growth signals.
Discover what a company offers—products, platforms, and solutions.
Get the company’s official SIC and NAICS classifications.
Analyze visitor volume, engagement, and top traffic sources.
Explore LinkedIn, Twitter, and other active social profiles.
Identify top competitors based on similar business traits.
Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.
Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.
Thousands of companies, including Hathaway Dinwiddie Construction Company, are just a search away.