You're over analyzing this. If your home page is the only page that ranks, you have problems. My website has 28% of incoming visits to the home page. 71% is to the landing pages.
BUILD highly relevant landing pages and write KICK ASS content for those landing pages.
This to me looks spammy: Austin Office Space For Lease | Austin Commercial Real Estate Properties | Retail Space For Rent | Austin Tenant Advisors
Obviously you are trying to keyword stuff.
I would write something clickable like this: Office Space for Rent in Austin for Commercial & Retail. Get Rates.