Nadia L. Costa

Nadia L. Costa: Attorney with Miller Starr Regalia A Professional Law Corporation


Nadia is a shareholder with Miller Starr Regalia and is Co-Chair of the firm’s Land Use Practice Group. She has experience in obtaining land use entitlements and the related environmental review. In her practice, she counsels landowners, developers, and public agencies.


Nadia Costa is a shareholder in the firm’s Walnut Creek and Newport Beach offices. Her practice centers on land use and local government law, specializing in the processing and implementation of land use entitlements. Nadia has extensive entitlement experience in a wide range of projects, with a particular emphasis on complex, mixed-use, urban infill, and master-planned developments. She regularly counsels landowners, developers, and public agencies in all aspects of land use processing, including a variety of areas such as compliance with the California Environmental Quality Act (CEQA); obtaining approval of general plan amendments and specific plans; assisting property owners and agencies in the formation of various special districts including community facilities districts and geological hazard abatement districts (GHADs); planned development zoning, and tentative and final subdivision maps; addressing annexation and other local agency formation commission (LAFCO) issues; as well as drafting, negotiating and obtaining approval of agreements dealing with vested rights, the disposition and development of property owned by public agencies, public infrastructure, affordable housing, and agricultural and habitat mitigation.

Nadia is Co-Chair of Miller Starr Regalia’s Land Use Practice Group. She also serves as a member of the Council for the State and Local Government Section of the American Bar Association, and is on the Board of Directors for the California Association of GHADs.

Awards & Recognition

Super Lawyers Northern California (2009-2011)

East Bay Business Times - “40 Under 40” (2006)

University of California, Los Angeles - Outstanding Academic Achievement Award


“Inclusionary Housing Programs: Local Governments Respond to California’s Housing Crisis,” Boston College Environmental Affairs Law Review, Vol. 30, No. 3, 2003(co-author)

“California’s Response to the Affordable Housing Crisis,” American Bar Association Land Use Institute: Planning, Regulation, Litigation, Eminent Domain, and Compensation, August 25-27, 2005 (co-author)

“Recent Developments in Land Use,” The Urban Lawyer: Planning and Zoning, Vol. 35, No. 4, Fall 2003 (co-author)

“Inclusionary Housing Ordinance Survives Constitutional Challenge in Post-Nollan-Dolan Era: Homebuilders Association of Northern California v. City of Napa,”Land use Law & Zoning Digest, Vol. 54, No. 8, August 2002 (co-author)

Speeches & Presentations

“Water Planning in California’s Continuing Drought: Impacts on Agriculture, Municipalities, and Other Water Users,” The Seminar Group, Napa, CA, March 1, 2017

“The Intersection of Land Use and Affordable Housing,” Moderator, ABA, State and Local Government Section, October 2015

“What’s Preventing Developers from Developing in California?” ICSC Northern California Idea Exchange, Napa, CA, October 28, 2013

Developing the PDA (Priority Development Area) of the Sustainable Communities Strategy, ICSC Northern California Alliance Program, Sacramento, CA, February 21, 2013

“CEQA: Basics and New Developments,” The State Bar of California 31st Annual Real Property Law Section Retreat, Lake Tahoe, CA, 2012

“Inclusionary Housing in the Wake of Palmer and Patterson,” Land Use Conference, San Francisco, CA, 2010

“Reconciling SB 375 and the BAAQMD Guidelines,” Moderator, ULI Presentation, 2010

“CEQA Legislation, Litigation, Mitigation and More,” The Second Annual Seminar on the California Environmental Quality Act, Los Angeles, CA, August 2006 and San Francisco, CA, September 2006

Related News

October 17, 2018
PWB Lean in Circle November 6, 2018

Please join the Professional Women In Building (PWB) of the BIA Bay Area for their next Lean In Circle. Moderator, Nadia Costa, will be leading a workshop on centered leadership and the idea of finding energy for a better work-life balance.

In The News
May 12, 2014
Miller Starr Regalia Land Use Shareholder, Nadia Costa, named as one of five “Inspiring Women” by Walnut Creek Magazine

Straightforward, sincere and unstoppable, Nadia Costa is a serial optimist.

In The News
April 30, 2014
Miller Starr Regalia Relocates Newport Beach Office

The move accommodates its deal growth and expanding land use practice in Southern California.

January 15, 2014
2014 Land Use Program - Southern California

Areas of Practice (3)

  • Entitlement
  • Land Use & CEQA
  • Transactional

Education & Credentials

Contact Information:
(925) 941-3235  Phone
925.933.4126  Fax
University Attended:
University of California, Santa Barbara, B.A., 1992; University of California at Los Angeles, Master of Social Work, 1996
Law School Attended:
University of California Berkeley School of Law - Boalt Hall, J.D., 2001
Year of First Admission:
U.S. District Court, Central District of California; 2001, California


American Bar Association, State and Local Government Section - Council Member

Building Industry Association

•Professional Women in Building Council

California Association of GHADs - Board Member

Diablo Regional Arts Association - Board Member

International Council of Shopping Centers

STAND! For Families Free of Violence - Board Member

Urban Land Institute


Peer Reviews

This lawyer does not have peer reviews.

*Peer Reviews provided before April 15, 2008 are not displayed.

Walnut Creek, California

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