Insights

Targeted sectors Established environmental planning specialist with CEQA and NEPA expertise and government contracting experience suggests opportunities with local, state, and federal agencies, as well as developers and private landowners seeking regulatory compliance and permitting services.

Regulatory leadership Strong regulatory permits, mitigation monitoring, and reporting capabilities indicate potential for long-term scopes of work in environmental compliance, monitoring programs, and condition fulfillment for infrastructure, energy, and coastal development projects.

Coastal niche Three decades on the California Central Coast and USFWS/CDFW permits imply a deep regional network and credibility that can be leveraged for new projects within California’s environmental planning landscape.

Diverse services Full-service suite across planning, natural resources, and public outreach enables cross-selling of CEQA/NEPA documentation, habitat assessments, and stakeholder engagement for complex projects.

Certification leverage Woman-owned and small business certifications, plus supplier diversity status, can be used to target procurement-driven opportunities and set-aside solicitations with agencies and prime contractors seeking diverse vendors.

Denise Duffy & Associates Tech Stack

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

  • RSS
    Content Management System
  • Squarespace
    Content Management System
  • Network Solutions
    Domain Name Services
  • Modernizr
    Javascript Libraries
  • Office 365
    Office Suites
  • Microsoft Word
    Office Suites
  • HSTS
    Security
  • X-Content-Type-Options
    Web & Portal Technology

Denise Duffy & Associates's Email Address Formats

Denise Duffy & Associates uses at least 1 format(s):
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 July 2026, Denise Duffy & Associates's annual revenue is estimated to be $25M - $50M.

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

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

How many employees does Denise Duffy & Associates have currently?

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As of July 2026, Denise Duffy & Associates has approximately 21 employees across 2 continents, including North AmericaEurope. Key team members include Senior Manager: R. S.Architect: M. D.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 RSSSquarespaceNetwork SolutionsModernizrOffice 365Microsoft WordHSTSX-Content-Type-Options.

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

Section iconFunding & Financials

  • $25M - $50M

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

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