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Advocate for Mount Diablo
.... from the comfort of your home!

You can be one of the most influential people in the county, state and country! Use this page as a resource on a regular basis to find out what new issues have developed and to get updates on ongoing activities. Be proactive – write a letter or make a few phone calls. Why? Your efforts make a major difference in obtaining funds that will be used to expand Mount Diablo and surrounding regional parks and also to ensure smart development in the Tri-Valley area. Letters and phone calls are counted and used by our elected and appointed officials to gauge support or opposition to issues.

How to Do It

Writing: Mailed letters or faxes are given more weight than phone calls and e-mails. Letters simply need to state either support or opposition for funding or an issue. The more to the point, the better

Calling: When the receptionist answers, simply say you are calling to convey your opinion to the supervisor, assembly member, senator, etc. The receptionist will type your comments re: supporting or opposing an issue and pass it on to your elected official.

Use the list of phone numbers and addresses noted below to get your voice heard! Please send a copy to Save Mount Diablo, 1901 Olympic Blvd., Suite 320, Walnut Creek, CA 94596 or email

  1. Please contact the County Board of Supervisors, and ask them to hold the line on the Urban Limit Line: Please Write, Fax, Call or E-mail…

    Karen Mitchoff (Concord, Pleasant Hill, Walnut Creek, Clayton) 925-521-7100, FAX 925-646-5202; 2151 Salvio St., Ste R, Concord, CA 94520;

    John Gioia (Richmond, El Cerrito, San Pablo, Pinole)
    510-231-8686, FAX 510-374-3429; 11780 San Pablo Ave, Ste D, El Cerrito, CA 94530; (online email form)

    Federal Glover (Hercules, Martinez, Pittsburg, Antioch)
    925-427-8138, FAX 925 427-8142; 315 E. Leland Road, Pittsburg, CA 94565;

    Mary N. Piepho (Antioch, Oakley, Brentwood)
    925-252-4500, FAX 925-240-7261; 3361 Walnut Blvd. Ste 140, Brentwood, CA 94513;

    Candance Anderson (San Ramon, Danville, Moraga, Orinda, Lafayette, Walnut Creek)
    925-957-8860, FAX 925-820-3785; 309 Diablo Rd., Danville, CA 94526  

  2. Don’t Let The State Forget Mount Diablo or our parks.  Please Write the Governor! Write Gov. Jerry Brown and ask for land funding for Mount Diablo State Park and to increase funding for operations in general. Send copies of your letter to Acting State Parks Director Ruth Coleman and to our State legislators.

    Governor Jerry Brown
    ; c/o State Capitol Ste 1173, Sacramento, CA 95814, (916) 445-2841 FAX: (916) 558-3160; (web email)

    Lisa Mangat
    , Acting Director, California State Parks, P.O. Box 942896, Sacramento, CA 94296; (916) 653-6995,

    State Senate District 7 seat currently vacant

    Senator Loni Hancock (District 9) State Capitol, Rm 2082, Sacramento, CA 95814; (916) 651-4009; FAX (916) 651-4909; (web email)
    District Office: 1515 Clay St # 2202, Oakland, CA 94612; (510) 286-1333; FAX (510) 286-3885;

    Assembly Member Susan Bonilla
    State Capitol P.O. Box 942849, Sacramento, CA 94249; (916) 319-2014; FAX (916) 319-2114; (web email)
    District Office: 2151 Savio St. Ste 395 Concord, CA 94520; (925) 521-1511; FAX (925) 602-1536

    Assembly Member Rob Bonta
    State Capitol, P.O. Box 942849, Sacramento, CA 94249; (916) 319-2018; FAX (916) 319-2118; (web email)
    District Office: 1515 Clay Ste  2204, Oakland, CA 94612; (510) 286-1670; FAX (510) 286-1888

    Assembly Member Catharine Baker
    State Capitol, Sacramento, CA 94249; (916) 319-2016; FAX (916) 319-2116; (web email)
    District Office: 2694 Bishop Dr.  Ste 275, San Ramon, CA 94583; (925) 328-1515; FAX (925) 328-1514

  3. Please Write Letters To The Editor about your concern for the environment and supporting expansion of our local open space. These letters help convince the newspapers to cover the environment and influence our decision makers. Letters to the Editor (200 words or less, signed, with your address and phone number) can be sent to:

    Contra Costa Times,

    The S.F. Chronicle,

For an up to date list of all elected officials in Contra Costa County visit click here.

  Credits | Legal StatementCopyright 2012 Save Mount Diablo. Designed by Alison Martin. Funded by Clif Bar.