Green homebuilder Blu Homes and real estate brokerage Redfin have collaborated to make building a sustainable home on well-chosen land easier, the two companies said.

Customers can find and buy land through Redfin, and then build their new home on the property with Blu.

The collaboration is active for customers in the San Francisco Bay Area, and is expected to expand nationally in the coming months, the companies said in a news release.

"This partnership is unique as it brings together two pioneering, customer-centered companies that have already independently improved the process of buying and building homes. Together, the result is a completely new, smoother and more buyer-friendly process for the client," said Maura McCarthy, vice president of strategic development for Blu Homes.

While demand for Blu homes continues to grow, 80% of Blu's prospective customers do not have land, the company said.

"Bringing together a technology-powered real estate broker like Redfin and a technology-driven homebuilder like Blu has the potential to transform the way consumers think about the home-buying process on a very large scale," said Adam Wiener, Redfin's vice president of new business and analytics.

Potential homebuyers will start the process through Blu, which will connect them with a Redfin agent.