As of April 6, 2021. Note that bills may be since amended.
This is the summary for 2021. For past years: 2020, 2019

11x17 PDFs
April 6, 2021: https://www.dropbox.com/s/ujuv7716vafwwlm/CA-housing-bills-20210406.pdf?dl=0

Wildfires and Earthquakes

After a couple years of huge wildfires, change is on the way. The strategy combines insurance coverage, retrofitting buildings to be less flammable, and shifting development away from hazardous areas.


A person stands in a Statue of Liberty style position holding a solar panel and a wire sparking electricity, standing on an apartment building. Below are trains, buses, cars, bikes, and windmills of increasing size, labeled 20%, 100%, 400%. Title text: Fourplex America — Quadruple Living Standards by 2040
A person stands in a Statue of Liberty style position holding a solar panel and a wire sparking electricity, standing on an apartment building. Below are trains, buses, cars, bikes, and windmills of increasing size, labeled 20%, 100%, 400%. Title text: Fourplex America — Quadruple Living Standards by 2040

It’s time to go all in on growth. We got to build lots of wind & solar, etc. When we get to 100% clean energy, will we shut down what will then be the country’s largest industry, or will we keep building and grow incomes & the economy 7.5% a year to 4 times its current size?

Renewable energy is different from fossil fuels in that most of the work is done up front. While a constant sized fossil fuel workforce equals constant (or shrinking) energy production, a constant sized renewable workforce equals continuous energy growth.


Missing small housing: low cost options for homeownership and rental housing. A picture if buildings such as RV parks, yurts, cottages, tiny houses, mobile homes, rooming houses, nail houses, small lot subdivisions, and accessory dwelling units
Missing small housing: low cost options for homeownership and rental housing. A picture if buildings such as RV parks, yurts, cottages, tiny houses, mobile homes, rooming houses, nail houses, small lot subdivisions, and accessory dwelling units

The housing crisis isn’t just a big city problem. Rural areas also don’t have enough homes — for example, California’s Imperial County has one of the highest rates of overcrowded homes.

The causes of the rural housing crisis are similar to the cities: restrictive zoning, low wages, and homebuilding not keeping up with job growth.

The solutions are similar, lower cost types of housing need to be legalized. There’s no need for highrises, when small buildings can do it cheaper. …


Missing Large Housing: buildings larger than the midrise blocks of apartments over garages, but smaller than the billionaire towers.

Missing middle housing — fourplexes, townhouses, etc — is great for most places. However, in places like Palo Alto, where land is north of $20 million an acre, it’s time to look at Missing Large Housing, specifically, ways to build, plan, & finance big buildings cheaper.

Background: Main Street Needs More People

For all the stereotypes about individualism, Americans are social people. From block parties to music festivals to professional sports, many of us love being in a crowd.


Diversity Matters in Stem Cell Medicine. Let California Lead. Vote Yes on Prop 14.

In 2004, California voters passed Prop 71, creating the California Institute of Regenerative Medicine (CIRM), a state agency that funds stem cell research. Stem cells are cells that can be grown to divide into all sorts of cells, and can be used to repair organs and other parts of the body.

While the full potential of stem cells is still in the future, already there are success stories where the cells have been used to restore mobility and vision.

Stem cell research first made the headlines in the 90s. Then, in 2001, the US federal government cut off most stem…


California started the year with over 100 housing bills. In the end, just 13 bills were signed into law. Some of the others were reintroduced in 2021.

COVID Emergency Relief

AB1436 —Payment Extension for Rent & Mortgages: Makes it so that tenants cannot be evicted for unpaid rent from during COVID state of emergency, or 90 days after. The rent is converted into regular consumer debt. Defers mortgage payments.


Among the many ballot measures on California’s November ballot this year, is Proposition 18, which would allow those who are old enough to vote by the November general election to vote in the primary election earlier that year.

I’m supporting Prop 18 for many reasons: fairness, strengthening our democracy, and helping California grow new leaders that reflect our ever-changing state.


California Proposition cartoons of the 12 Props on the ballot this November 3, 2020. If you haven’t done so yet, register to vote https://registertovote.ca.gov and take the Census https://my2020census.gov

#Prop14 stem cells
#Prop15 property taxes
#Prop16 affirmative action
#Prop17 voting for parolees
#Prop18 voting for 17 year olds
#Prop19 property taxes
#Prop20 crime
#Prop21 rent control
#Prop22 uber
#Prop23 dialysis
#Prop24 privacy
#Prop25 ending bail

These ballot measure cartoons are also available as a slide deck here.


Due to COVID’s impact on the state budget and time legislators and their staff have to deal with other issues, 2020’s ambitious housing package, which started the year with over 100 bills, are now down to 34. Here they are.

Assembly Bills

These have passed the State Assembly and now have to be voted on by the State Senate.

Senate Bills

These have passed the State Senate and now have to be voted on by the State Assembly.


With the delayed start to this year’s legislation season, the State Assembly housing committee is going to be hearing fewer bills. 23 are on the schedule for the May 20, 2020 hearing. A few have some new amendments.

Get the PDF at tinyurl.com/may2020hcd

There are additional Senate bills and bills sent to other committees, a list of some can be found at tinyurl.com/2020housingbills

AB1905 Mortgage Tax Deduction (Chiu)

Alfred Twu

Artist and Designer in Berkeley, California

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