Attachment B: Comparison of Housing Mandates and Programs Updated 5/9/24
Program/Law Requirements
Density/Allowed Uses Parking Other
SB 35 N/A
1 space/unit OR no parking within
1/2 mile of SMART station
Streamlined/ministerial approval;
objective standards
Project must provide at least 50% of units
priced for 80% AMI or below; Endangered
species area (CTS) not eligible
State Density Bonus Increased density, 50 to 100%
-Studio/1 bdrm: 1 space/unit
-2-3 bdrm: 1.5 spaces/unit
-4+ bdrm: 2.5 spaces/unit
-May be uncovered; no guest
parking requirement
Concessions/waivers of City
standards; objective standards
Baseline: 15% very low income, 24% low
income, or 44% moderate income units = 50%
density bonus. Additional bonuses up to 100%
available for additional affordable units.
SB 9
4 units on a property zoned for single
family via lot split/2 duplexes.
Jurisdictions may decide whether
ADUs are included in this count;
minimum lot size 1,200 sqft
1 space/unit OR no parking within
1/2 mile of SMART station 4' rear and side setbacks Endangered species area (CTS) not eligible State ADU Law
4 units on a property zoned for single
family: Primary unit, 2 ADUs, 1 JADU
ADUs/JADUs have no parking
requirements in most of Cotati
4' side and rear setbacks;
construction in front setback
allowed in some situations;
ministerial review
SB 684*
By-right small-lot subdivision of <=5-
acre properties into 10 lots of min.
size 600 sqft, with resulting
development of up to 10 for-sale
dwelling units; max. unit size 1,750;
max density per Housing Element or
zoning
1 space/unit OR no parking within
1/2 mile of SMART station; not
required to be covered/enclosed
No local minimum lot size/
dimensions allowed; side and rear
setbacks of 4'; only setback
between buildings allowed is
building code standard 5';
ministerial review; objective
standards; CEQA exempt
Property must be zoned for multifamily; local
inclusionary requirement for affordable units
applies; jurisdiction may disallow ADUs;
Endangered species area (CTS) not eligible
AB 2097
No minimum parking requirements
within 1/2 mile of SMART station N/A N/A
Applies to all projects--residential and
commercial; new construction or
remodel/addition; change of use
MTC TOC Policy**
Up to 25 du/acre within 1/2 mile of
SMART station No minimum parking N/A
Compliance with policy required for OBAG
funding eligibility
Cotati Cottage Housing
100% density bonus, plus 1 ADU per
primary unit; max. unit size 1,500 sqft
1.75 spaces/unit under 750 sqft; 2
otherwise (except ADUs); at least
one space/unit must be covered;
Guest parking equivalent to 15% x
the number of required resident
spaces, may be uncovered
Setbacks apply to entire
development, not individual
buildings; buildings must be 6'-8'
apart; parking areas/driveways
may be in rear and side setbacks
up to 5'; max. height 28'/2
stories;
City Council approval; Specific site and
building design criteria; private and common
open space requirements exceed those for
standard multifamily
*Effective July 1, 2024
**Effective 2026
Reduction of Standards