Denise Duffy & Associates, Inc.

947 Cass Street
Monterey, CA 93940


947 Cass Street
Monterey, CA 93940


Reno, NV
(775) 853-6090

San Jose

San Jose, CA
(408) 451-8438

Firm Details:

Total Number of Staff:
Number of Professional Planners:
Number of AICP Members:
Date Founded:
Other Professions Within the Firm

Botanist, Wildlife Biologist, Wetland Scientist, Erosion Control Specialist, Watershed Scientist, Certified Environmental Inspector (Phase I), Certified GIS Analyst

Firm Specialization(s):

  • Community Development and Redevelopment
  • Environmental and Natural Resources Planning
  • Transportation Planning
  • Other topics not covered above

Firm Principle(s):

Denise Duffy

Firm Highlights:

Denise Duffy & Associates, Inc. (DD&A) offers professional environmental consulting products and services to local, regional, state, and federal agencies, public institutions, private land owners, corporations, and developers. As a land use planning and environmental consulting firm, DD&A provides environmental impact and constraints assessments, management of development proposals and projects, natural resources analysis, management and permitting, site planning, governmental studies, and contract planning. DD&A’s conveniently located offices translate into quick project response times and reliable efficiency. DD&A’s key commitment is to understanding our client’s needs and meeting their goals. DD&A has demonstrated success in this commitment through a wide variety of projects in central and northern California over the last 20 years. DD&A has a solid, well-respected reputation in the preparation of environmental documentation in compliance with the National Environmental Policy Act (NEPA) and the California Environmental Quality Act (CEQA). From focused environmental assessments on smaller projects, to multidisciplinary, inter-jurisdictional reports on large-scale planning and development projects, DD&A has a proven track record for meeting our clients’ needs and successfully coordinating and completing the requirements for state and federal environmental review. The Natural Resources Division of DD&A performs CEQA/NEPA biological and hydrological impact assessments; stream, wetland, lake/reservoir and estuary management; biological reports; wetland delineations and assessments; site assessments (environmental constraints/ opportunities analysis); watershed science and planning; restoration planning, design, and implementation; mitigation monitoring and reporting programs; environmental permitting and approvals; and special-status species (TES) consultation and management.

Press Releases Date Posted