Insights

Certified Women-Owned DD&A is a State of California-certified Small and Women-owned business with long-standing regional influence in environmental planning, suggesting alignment with public sector diversity and procurement programs for expansion opportunities.

CEQA NEPA Expertise Strong focus on CEQA and NEPA documentation plus regulatory permit acquisition and mitigation reporting positions DD&A as a turnkey partner for agencies and developers navigating environmental compliance.

Coast Focus Established prominence on the California Central Coast with a three-decade track record indicates continued opportunity from local government projects, coastal development, and watershed or habitat restoration initiatives.

Public Sector Strong Experience serving local, regional, state, and federal agencies combined with certifications and permits signals readiness to bid on large, multi-year environmental planning and monitoring programs.

Resourceful Capabilities Multidisciplinary natural resource and ecosystem analysis capabilities coupled with construction monitoring services create cross-sell potential to clients needing end-to-end environmental compliance, monitoring, and outreach.

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Denise Duffy & Associates Tech Stack

Denise Duffy & Associates uses 8 technology products and services including RSS, Squarespace, Webpack, and more. Explore Denise Duffy & Associates's tech stack below.

  • RSS
    Content Management System
  • Content Management System
  • Webpack
    Development
  • Network Solutions
    Domain Name Services
  • Choices
    Javascript Libraries
  • Office Suites
  • HSTS
    Security

Denise Duffy & Associates's Email Address Formats

Denise Duffy & Associates uses at least 1 email format:
Denise Duffy & Associates Email FormatsExamplePercentage
FLast@ddaplanning.comJDoe@ddaplanning.com
100%

Frequently Asked Questions

What is Denise Duffy & Associates's phone number?

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You can contact Denise Duffy & Associates'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 Denise Duffy & Associates's official website and social media links?

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Denise Duffy & Associates's official website is ddaplanning.com and has social profiles on LinkedIn.

How much revenue does Denise Duffy & Associates generate?

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As of September 2026, Denise Duffy & Associates's annual revenue is estimated to be $25M - $50M.

What is Denise Duffy & Associates's SIC code and NAICS code?

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Denise Duffy & Associates's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 54162 - Environmental Consulting Services.

How many employees does Denise Duffy & Associates have currently?

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As of September 2026, Denise Duffy & Associates has approximately 21 employees across 2 continents, including North America and Europe. Key team members include Senior Manager: R. S., Architect: M. D. and Architect: A. F. Explore Denise Duffy & Associates's employee directory with LeadIQ.

What industry does Denise Duffy & Associates belong to?

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Denise Duffy & Associates operates in the Environmental Services industry.

What technology does Denise Duffy & Associates use?

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Denise Duffy & Associates's tech stack includes RSS, Squarespace, Webpack, Network Solutions, Squarespace Commerce, Choices, Office 365 and HSTS.

What is Denise Duffy & Associates's email format?

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Denise Duffy & Associates's email format typically follows the pattern of FLast@ddaplanning.com. Find more Denise Duffy & Associates email formats with LeadIQ.

When was Denise Duffy & Associates founded?

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Denise Duffy & Associates was founded in 1983.
Denise Duffy & Associates logo

Denise Duffy & Associates

Environmental ServicesCalifornia, United States11-50 Employees

Denise Duffy & Associates (DD&A) is an environmental services firm based in Monterey, California, with a longstanding presence on the California Central Coast. The company specializes in planning, natural resource management, and environmental consulting for local, regional, state, and federal agencies, as well as private landowners and developers, focusing on CEQA and NEPA documentation, regulatory permit acquisition, mitigation monitoring, and compliance reporting. Its multidisciplinary Natural Resource Division provides expert biological and ecosystem analyses and construction-phase monitoring. DD&A emphasizes collaborative problem-solving to help clients meet planning requirements while ensuring regulatory consistency and compliance, supported by a senior staff recognized within the California environmental planning community. The firm is certified as a small, woman-owned business in California and operates from its location in Monterey, offering services through its planning and environmental practice for over three decades.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
54162 - Environmental Consulting Services
Founded
1983
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Denise Duffy & Associates's revenue is estimated to be in the range of $25M - $50M

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