Insights

Sustainable Leader Hathaway Dinwiddie’s strong LEED presence and sustained commitment to sustainable construction across core sectors position the firm well for green retrofit work, energy performance contracts, and LEED certification services with existing clients and new developers.

Critical Facilities Focus on mission critical sectors such as bio-pharma, healthcare, data centers and technology enables targeted sales for specialized preconstruction, cleanroom buildouts, MEP integration and rapid delivery on high-stakes facilities.

Regional Growth A multi-office West Coast footprint and recent LA expansion activity open doors to new development partnerships, campus-scale projects, and cross-regional PMO and delivery programs with developers and corporate clients.

Loyal Clients Privately held with senior leadership involvement and a track record of repeat clients, Hathaway Dinwiddie can upsell broader programs, multi-site rollouts, and long-term program management services across client portfolios.

Risk Clarity Past disputes underscore the value of transparent contracting and risk management; opportunities exist to win bids with fixed-price or GMP-style agreements, rigorous preconstruction planning, and robust change-order governance.

Hathaway Dinwiddie Tech Stack

Hathaway Dinwiddie uses 8 technology products and services including Google Fonts API, Font Awesome, imagesLoaded, and more. Explore Hathaway Dinwiddie's tech stack below.

  • Google Fonts API
    Font Scripts
  • Font Awesome
    Font Scripts
  • imagesLoaded
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Windows Server
    Operating Systems
  • Elementor
    Page Builders
  • WPBakery
    Page Builders
  • Google Analytics
    Web Analytics

Media & News

Hathaway Dinwiddie's Email Address Formats

Hathaway Dinwiddie uses at least 2 format(s):
Hathaway Dinwiddie Email FormatsExamplePercentage
LastF@hdcco.comDoeJ@hdcco.com
85%
FLast@hdcco.comJDoe@hdcco.com
12%
LastFi@hdcco.comDoeJo@hdcco.com
2%
First.Last@hdcco.comJohn.Doe@hdcco.com
1%
First.Last@hathawaydinwiddie.comJohn.Doe@hathawaydinwiddie.com
51%
First@hathawaydinwiddie.comJohn@hathawaydinwiddie.com
49%

Frequently Asked Questions

Where is Hathaway Dinwiddie's headquarters located?

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Hathaway Dinwiddie's main headquarters is located at 275 Battery Street Suite 300 San Francisco, California 94111 United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is Hathaway Dinwiddie's phone number?

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You can contact Hathaway Dinwiddie's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Hathaway Dinwiddie's official website and social media links?

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Hathaway Dinwiddie's official website is hathawaydinwiddie.com and has social profiles on LinkedIn.

What is Hathaway Dinwiddie's NAICS code?

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Hathaway Dinwiddie's NAICS code is 23 - Construction.

How many employees does Hathaway Dinwiddie have currently?

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As of June 2026, Hathaway Dinwiddie has approximately 505 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Chief Estimator: L. A.Vice President Field Operations: F. T.President And Chief Executive Officer: F. T.. Explore Hathaway Dinwiddie's employee directory with LeadIQ.

What industry does Hathaway Dinwiddie belong to?

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Hathaway Dinwiddie operates in the Construction industry.

What technology does Hathaway Dinwiddie use?

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Hathaway Dinwiddie's tech stack includes Google Fonts APIFont AwesomeimagesLoadedjQueryWindows ServerElementorWPBakeryGoogle Analytics.

What is Hathaway Dinwiddie's email format?

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Hathaway Dinwiddie's email format typically follows the pattern of LastF@hdcco.com. Find more Hathaway Dinwiddie email formats with LeadIQ.

When was Hathaway Dinwiddie founded?

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Hathaway Dinwiddie was founded in 1911.

Hathaway Dinwiddie

ConstructionCalifornia, United States501-1000 Employees

Hathaway Dinwiddie is a privately held construction firm with a long history of shaping iconic California buildings for leading corporations and institutions. Headquartered in San Francisco, the company operates additional offices in Santa Clara, Los Angeles, San Diego, and Seattle and maintains a workforce that includes LEED Accredited Professionals. Senior leadership remains directly involved in projects, guiding activities from early preconstruction planning through execution to align with client objectives.

Its work spans multiple sectors, including commercial office, higher education, healthcare, technology, data centers, hospitality, and renovations, with experience in historic and cultural facilities. The firm emphasizes a client-centric, collaborative approach and relies on long-standing relationships with repeat clients, underpinned by professional integrity and a commitment to sustainable practice. A 2026 report noted a Downtown Los Angeles leasing development involving Hathaway Dinwiddie, signaling ongoing activity in major California markets.

Section iconCompany Overview

Headquarters
275 Battery Street Suite 300 San Francisco, California 94111 United States
Phone number
NAICS Code
23 - Construction
Founded
1911
Employees
501-1000

Section iconFunding & Financials

  • $250M$500M

    Hathaway Dinwiddie's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Hathaway Dinwiddie's revenue is estimated to be in the range of $250M$500M

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