Joanne L. Gardiner, Broker, CA Broker License # 00822285

For more than 40 years we have provided every seller and every buyer the best possible results.  It  would be our honor to do the same for you.   

See what some of our clients have to say about our service. Click here.   

Call Joanne at ​510-589-4794 or email her: click here

JOANNE L GARDINER, BROKER, is dedicated to producing the best results possible for Buyers and Sellers. ​ ​See what some of her clients say about her service: Click here.​​​

Click here to view photo tour of the fabulous bargain! 

Copyright © 2016 - 2019 Joanne L. Gardiner, Broker, DBA Advantage Realty. All Rights Reserved.

Advantage Realty ~ Joanne L Gardiner, Broker #00822285


Envision yourself in a

new home in 2020.

Call Joanne at

Open House
Sunday, December 1st from
1 to 4 P.M.

This cozy and economical mobile home is priced at only $124,950 and the monthly space rent is only $888.   Located in the beautiful Mission Bay senior park, Come see it!

413 Santa Monica, 

San Leandro


Thinking of moving? 

Then it is time to call Joanne at 510-589-4794

Click to print out your copy of Home Selling Tips and Planning Your Move


Office: 510-429-4800
3205 Whipple Rd. Union City, CA 94587

Over 25 years in our present location.

​Words worth considering...

"Real estate cannot be lost or stolen, nor can it be carried away. Purchased with common sense, paid for in full, and managed with reasonable care, it is about the safest investment in the world."

~ Franklin D. Roosevelt