San Diego County’s Fourth Supervisorial District


Our San Diego County District 4 Office is still here to serve you!

If you are one of the nearly 700,000 residents living in San Diego County’s Fourth Supervisorial District, our team is ready to help you navigate county government as voters decide who will be the next District 4 County Supervisor. 

The District 4 Office staff is here to provide you with valuable County information, receive and respond to your requests, attend community meetings, and help the new Supervisor transition into their office later this year.

Access to mental health care, self-sufficiency services, parks and recreation, child welfare services, and every other county service is still available to you!

Learn more about available county services by clicking here.   

Participate in County Board of Supervisors meetings by clicking here.


Frequently Asked Questions

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  • Where is District 4?

    San Diego County’s Fourth Supervisorial District is 101 square miles and is celebrated as the most ethnically diverse district in the county. About 23 square miles are unincorporated areas, and about 78 square miles are incorporated areas.

  • What is the population of District 4?

    675,829 people

  • What are the boundaries of San Diego County’s District 4?

    The District 4 border travels south along the western boundaries of the Linda Vista and Mission Valley, east-southeast along the borders of Balboa Park and North Park, east-northeast along the outer boundary of the Spring Valley Community Plan Area, the City of Lemon Grove, north and west following the boundary of the Casa de Oro-Mount Helix Community Plan Area and the City of La Mesa. The boundary continues west into the City of San Diego and follows the northern limits of the College Area Community Plan Area towards the Serra Mesa Community Plan Area, northwest at the Inland Freeway and the northeast at the Cabrillo Freeway to the northern border of the Kearny Mesa Community Plan Area, where it moves west to include the Clairemont Community Plan Area.

  • What communities does District 4 serve?

    Lemon Grove, La Mesa, Clairemont (Bay Park, Bay Ho, Clairemont Mesa, North Clairemont), Hillcrest, Balboa Park, North Park, Bankers Hill, Old Town, Mission Hills, Normal Heights, University Heights, Oak Park, Webster, Valencia Park, Encanto, Bay Terraces, Paradise Hills, Skyline, Kearney Mesa, Linda Vista, Birdland, Serra Mesa, Civita, portions of Grantville, City Heights, Rolando, Azalea Park, Chollas Creek, Rolando Park, Kensington-Talmadge, Mid-City, Montezuma Mesa, SDSU Mission Valley, Crest – Dehesa, Spring Valley, Casa de Oro & Mt Helix, Rancho San Diego.

  • What are the District 4 zip codes?

    The zipcodes are 91941, 91942, 91945, 91950, 91977, 91978, 92019, 92020, 92021, 92101, 92102, 92103, 92104, 92105, 92109, 92110, 92111, 92112, 92113, 92114, 92115, 92116, 92117, 92120, 92123, 92134, 92139 and 92182.

  • Where are the parks and libraries in District 4?

    Click here to view the County Libraries in District 4 and click here to find County parks near you.

  • Is Nathan Fletcher still my District 4 County Supervisor?

    As of May 15, 2023 at 5 p.m. Nathan Fletcher is no longer the elected representative of San Diego County’s District 4.

  • Who will fill Nathan Fletcher’s seat and when?

    On May 2, 2023, the Board of Supervisors voted unanimously (4-0) to hold a special election to fill the vacant District 4 Supervisor seat. On May 23, 2023, the Board of Supervisors will vote on an ordinance to ratify that a special election will be held this year.  If the vote for the ordinance is favorable, on August 15, 2023, a special primary election will be held, and if no one receives 51% of the vote, a special general election will be held on November 7, 2023. The latest the new Supervisor could take their seat is December 5, 2023.

  • Can I request a proclamation from District 4?

    No. If you would like to request a proclamation from the County, please contact Chairwoman Nora Vargas’ Office by clicking here

  • Can I request a certificate from District 4?

    No. If you would like to request a certificate from the County, please contact Chairwoman Nora Vargas’ Office by clicking here

  • Can I request a grant from District 4?

    No. The remaining District 4 funds for Neighborhood Reinvestment or Community Enhancement grants will be carried over to the next fiscal year, and provided to the new District 4 County Supervisor to distribute to the community. 

  • Can a County Supervisor attend my event taking place in District 4?

    Please contact the Office of Chairwoman Nora Vargas here to request a Supervisor attend your event.  

  • Why is a staff needed in the District 4 Office?

    It is important that our county government continues to deliver excellent service and support to the District 4 community during the transition of their elected leadership. The District 4 office staff are County of San Diego employees and will continue to meet the needs of residents, businesses, and nonprofits. The Board of Supervisors agrees this is the best course of action to ensure the community is taken care of. Anyone who lives or does business in District 4 can still rely on the office to provide valuable county information, receive and respond to their requests, and attend community meetings. They will also assist the new Supervisor during their transition, later this year.

  • Who will answer media questions about District 4?

    Any media inquiries should be directed to Michael Workman at 619-531-5450 or


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Contact the Office

County Administration Center
1600 Pacific Hwy
Room 335
San Diego, CA 92101

Phone: (619) 531-5544


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