SAMCAR  >  Member Resources
Supra(R)

Where does my SUPRA® Key Work?

SAMCAR Supra® EKEYS and iBox BT LE lockboxes may access and work automatically in the area known as the KIM Users Group (Bay East, Bridge, Contra Costa County, Delta, Monterey County, San Benito County, San Francisco, Santa Clara County, Santa Cruz County, Silicon Valley, Tuolumne) as well as associations that are members of CRMLS provided they are using Supra® (see chart), and may obtain cooperating key service with BAREIS and MetroList® (additional action and fees may apply).


Supra® EKEY Coverage Area

Supra EKEY Coverage Area Map

Supra® EKEY Coverage Area Map 
CRMLS Supra / Sentrilock Chart 

Cooperating Key Service

For SAMCAR Keyholders

MetroList and BAREIS, and associations that are covered by their MLS services (Sacramento and Central Valley, Marin and Sonoma counties, for example), are not part of this automatic reciprocal key access and agents seeking to access Metrolist or BAREIS lockboxes will still need to pay for cooperating key access with those MLSs.

BAREIS (707) 575-8000
MetroList (916) 922-7584

If you need your key to work in an area not mentioned on this list, please contact the Association of REALTORS® in that area for details about obtaining key service in their coverage area.

For Out-Of-Area Keyholders

If you are from another Association and need your key to work in San Mateo County, please complete a Cooperating Key Form and obtain a "Letter of Good Standing" from your MLS and send both to samcar@samcar.org

Cooperating Key Form 
Learn more about Cooperating Key Access
IMPORTANT! It is a violation of the Supra® Keyholder Agreement to lend or share your Supra® Key. SAMCAR will impose a FINE of $1,000 to anyone lending or sharing their key. ONLY the keyholder may use or be in possession of the key.
 

 
 
Other Posts

San Mateo County Home Sales (July 2026)
San Mateo County Home Sales (July 2026)
The monthly San Mateo County home sales reports and infographic for JULY 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
The RAW Group | Last Tuesday Monthly -- 2 PM @ SAMCAR
SAMCAR REALTOR and Affiliate Wellness RAW Group
Next Meeting: Tuesday, August 25 | 2 PM | SAMCAR
SAMCAR is proud to announce the launch of our Realtor and Affiliate Wellness (RAW) Group, a program of the San Mateo County Association of REALTORS. RAW is a recovery-inspired support network designed to provide a safe, confidential space for members to share their experience, strength, and hope. The next meeting will be held on Tuesday, August 25 at 2 PM at the SAMCAR office.
San Mateo County Sustainability Department REALTOR Toolkit Webpage
New Resource: Energy Efficiency Toolkit for REALTORS
Support your clients in selling healthy, energy-efficient homes with confidence. Use these resources to help clients make their homes healthier, more comfortable, and more cost-effective to run. This toolkit, created by the San Mateo County Sustainability Department in collaboration with WestLight Energy (formerly Peninsula Clean Energy) and the San Mateo County Association of REALTORS (SAMCAR), provides practical resources, local data, financial incentives, and client-facing materials to support conversations with buyers and sellers. [This effort is intended to support informed, voluntary decision-making by homeowners and does not represent an endorsement of mandates or appliance bans.]
National Association of REALTORS (NAR)
NAR Guidance on Office Exclusive Listings/Pre-Marketing Listing
The National Association of REALTORS (NAR) has developed an office exclusive listing/pre-marketing guidance resource for brokers and their agents. This is designed to support the use of MLSs as pro-competitive, pro-consumer platforms by helping to ensure consistent compliance with MLS policies.
San Mateo County Home Sales (Q2 2026)
San Mateo County Home Sales (Q2 2026)
The quarterly San Mateo County home sales reports and infographic for SECOND QUARTER (Q2) 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
San Mateo County Home Sales (June 2026)
San Mateo County Home Sales (June 2026)
The monthly San Mateo County home sales reports and infographic for JUNE 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
San Mateo County Home Sales (May 2026)
San Mateo County Home Sales (May 2026)
The monthly San Mateo County home sales reports and infographic for MAY 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
New Supra eKEY Features - image of Supra eKEY App screens
New Supra eKEY Features for SAMCAR Keyholders!
Starting June 4, 2026 SAMCAR will be providing our Supra keyholders with next-level eKEY app service as an upgrade included with your annual key service. Your key will automatically update to the new service level—Supra eKEY Professional. No additional action is required of you. Just start using the new Supra eKEY Pro App. Keyholders will also be able to control who and when can gain property access, such as plumbers, contractors, etc. with Single Access. Read more to learn about these new feature upgrades to your Supra eKEY service with SAMCAR.
San Mateo County Home Sales (April 2026)
San Mateo County Home Sales (April 2026)
The monthly San Mateo County home sales reports and infographic for APRIL 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
San Mateo County Home Sales (Q1 2026)
San Mateo County Home Sales (Q1 2026)
The quarterly San Mateo County home sales reports and infographic for FIRST QUARTER (Q1) 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
San Mateo County Home Sales (March 2026)
San Mateo County Home Sales (March 2026)
The monthly San Mateo County home sales reports and infographic for MARCH 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.
San Mateo County Home Sales (February 2026)
San Mateo County Home Sales (February 2026)
The monthly San Mateo County home sales reports and infographic for FEBRUARY 2026, with data from MLSListings, Inc., are now available for you to share on your social media, e-mail and other marketing.

Site Navigation