The California Apartment Association is supporting a pair of bills that allow the addition of homes to existing parcels without years of delays and red tape.

One of the bills, SB 9 by Sen. President Pro Tem Toni Atkins, D-San Diego, would create a path for homeowners to build a duplex on a lot zoned for single-family homes. With few exceptions, local governments would be required to approve qualified applications for the construction. The legislation builds off the well-documented success of accessory-dwelling units, or granny flats, in creating more housing on existing parcels.

“As you know, one of the many reasons that housing is so expensive is the type of housing that is being built. Much of our housing in California is single-family, which can be an inefficient use of land,” CAA says in a support letter to Atkins. “SB 9 will help reduce the cost of housing by facilitating housing types that accommodate more units per acre. This bill is one more creative solution that will help house Californians.

Another bill, SB 10 by Sen. Scott Wiener, D- San Francisco, would authorize local governments to pass rezoning laws that allow up to 10 units on any parcel in areas near public transportation and job hubs or urban infill areas. The bill also would exempt these projects from the California Environmental Quality Act.

“We believe SB 10 will be an effective tool for local governments to use, creating much needed housing in our local communities,” CAA says in a support letter to Wiener.

Both SB 9 and SB 10 won approval this week in the Assembly. After a concurrence vote in the Senate, the proposals will head to the governor’s desk.