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Innovative Legal Counsel


Elder Law & Estate litigation attorneys serving all of Northern California


The Demiris Law Firm, P.C. is a boutique trust and estate law firm, with offices located in the heart of downtown Walnut Creek and San Ramon.  The Demiris Law Firm, P.C. boasts seven full time litigation attorneys and is one of the largest trust and estates firms in the area and are experienced in trust and probate administrations.  The Demiris Law Firm, P.C. also handles conservatorships, guardianships, and general civil litigation cases.  The firm has court appointed attorneys in matters in Contra Costa and Alameda counties.  Both Walnut Creek and San Ramon offices are in close proximity to Interstate 680. 

This Is Who We Serve


We serve the greater San Francisco Bay Area with the majority of our practice in Contra Costa and Alameda Counties.  We also have successfully litigated matters in Sacramento, Los Angeles, Orange, Santa Cruz, Kings, Plumas, Kern, and Nevada County and other parts of the State of California.

Team Meeting

Elder Law Attorney in Walnut Creek, CA


If you are looking for a quick and reliable attorney ready to tackle your estate planning and Medi-Cal needs, then The Demiris Law Firm is at your service. Not only are we fast and reliable, but we are also one of the highest rated law firms in North California. We provide durable, long-term legal care estate planning as well as planning for asset preservation. We offer free consultations for disputed/contentious matters through which we build a trustworthy connection while answering your questions in order to better advise you for your conservatorship, probate, and living trust needs. Our reputable team comprised of both female and male attorneys offer unique and competitive solutions to put your mind at ease. Don't believe us? Check out our reviews and you’ll find that The Demiris Law Firm is the best solution for all your legal needs.

The Demiris Law Firm Walnut Creek, CA is in the heart of Walnut Creek, California, near some very popular places like Castle Rock Park and the infamous Broadway Plaza. Walnut Creek is a city within the East Bay region of the San Francisco Bay Area, about 16 miles east of the city of Oakland. This optimal location Allows Demiris Law Firm to expand its serves to Walnut Creek’s neighboring cities (Dublin, Livermore, Martinez, Pleasanton, and Blackhawk). Transportation to Walnut Creek is far from difficult, its accessibility to  BART and close distance to I-680 makes Walnut Creek a wonderful place to spend your afternoon. Its active downtown neighborhood features hundred-year-old buildings and extensive high-end retail establishments, restaurants and entertainment venues. This allows Demiris  Law Firm (based in Walnut Creek, CA) a centrally located solution offering legal services throughout the region, including Albany, Clayton, Diablo, and all points nearby.


Walnut Creek Office

The Demiris Law Firm

1255 Treat Blvd. Suite 300

Walnut Creek, CA 94597

Office ☎ (925) 378-2520

Livermore  Office

2109 Fourth Street

Livermore, CA 94550

Office ☎ (925) 447-1222


Sunday  Closed

Monday  9:00 am–5:00 pm

Tuesday  9:00 am–5:00 pm

Wednesday  9:00 am–5:00 pm

Thursday  9:00 am–5:00 pm

Friday  9:00 am–5:00 pm

Saturday  Closed​


We are a well regarded Elder Law Attorney Firm with offices in Walnut Creek and Livermore, CA offering:

  • Estate planning and administration - provide a short meet and greet limited to 10 minutes.

  • Peace of mind knowing that our attorneys will be thorough and diligent with your estate planning, living trust, and probate issues.

  • One of the best-rated Law Firms in North California

  • Long term tax sensitive planning to protect you and your family while avoiding probate headaches with the creation of trusts, wills, and powers of attorney.

  • Whether you are looking to receive help for yourself or one of your family members, we are here to help and respond to all your questions throughout the process.

  • Legal Services, Walnut Creek, CA

  • Trial Attorneys, Walnut Creek, CA

  • Estate Planning Attorneys, Walnut Creek, CA and Livermore, CA

  • Civil Law Attorney, Walnut Creek, CA

  • Probate and Trust Administration Attorneys in Livermore, CA


Click here for driving directions from your location.

Directions From from San Jose Airport - Terminal A, San Jose, CA 95110 to Demiris Law Firm, 1255 Treat Blvd. #300, Walnut Creek, CA 94597:  Get on I-880 N from Airport Blvd and Coleman Ave 7 min (2.6 mi)  Follow I-880 N and I-680 N to Treat Blvd. in Walnut Creek. then take exit 48 from I-680 N 44 min (44.9 mi), next take the Chapman Univ ramp, continue on Buskirk Ave and turn right onto Wayne Dr.  to your destination, which will be on your right.

Directions From San Francisco International Airport to Demiris Law Firm, 1255 Treat Blvd. #300, Walnut Creek, CA 94597 

Follow US-101 N, I-80 E and CA-24 E to Walnut Creek. Take the I-680 N exit from CA-24 E 34 min (33.0 mi) Take exit 48, then take the Chapman Univ ramp, continue on Buskirk Ave and turn right onto Wayne Dr.  to your destination, which will be on your right.

Our Walnut Creek, CA Elder Law Attorney Review Sites

  • Elder Law Firm - Location
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Litigation Lawyer Konstantine Antony Demiris

Reach Out For a Consult

If you would like to discuss your case with an attorney at The Demiris Law Firm, you are welcome to contact us by using this form.

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