Basically he contributed 100% of the cash required and took only a 20% equity stake. 

I expect to also be contributing cash to the project outside of the exchange.I would welcome any guidance from anyone in the community that has experience executing a similar scenario in the Western Washington area.Thanks in advance to the community.

Banks in the Denver area are looking for a 20%-25% equity contribution from the developers.

Then sell half of the shares of the company to your family member for his contribution.

@Marcus AuerbachWhen we decided to focus on syndicating deals in Denver multifamily 5+ years ago, we were attracted to the diverse economy, strong job market and income growth which were all contributing to population growth that was outpacing the national average.

Crowdfunding you might be able to get away with 10% "skin in the game" or capital contribution whereas some hard money lenders will require you to invest 30% of the purchase price.What was mentioned above regarding multiple investors is not always the case.

The only form of investing We've ever done before now is through employee stock purchase plan and 401k contributions (Never really had the extra funds to do more).

A long life friend and I have finally reached a point in our lives where each of us can contribute the same amount of capital towards investing in some rental properties to hopefully generate passive income and supplement our retirements later in  life.

In an attempt to talk contribute something that's not as negative as many things in this world currently are, I'm curious.

Great contribution.