CC 09-21-2021 Study Session Item No. 1 Accessory Dwelling Units (ADU) Study Session_Staff PresentationAccessory Dwelling
Units
Study Session
Cupertino City Council
September 21, 2021
CC 09-21-2021 Study Session
Item No. 1
City Council Work Program
•2020-2021
City Work
Program
•Housing
“Establish
procedures and
policies on
streamlining the
ADU review
process.”
Prior & Current Incentives for ADU
Development
•Since 2015, Below Market Rate (BMR) Manual
exempted ADUs from BMR fees.
•FY 2018-19 Fee Scheduled greatly reduced plan
check and inspection fees for ADUs.
•City complies with all minimum development
standards and fee exemptions in State Law since
2016.
•No impact fees for units under 750 sf.
•No off-site improvements required
Planning Commission Review
Accessory Dwelling Unit production and
implementation of incentive programs provided to
Planning Commission on June 23, 2020.
•City of San Jose’s ADU Ally Program.
•Offers pre-approved plans from selected
vendors
•Quickens review process while saving
applicant money.
•Planning Commission study session on August 24,
2021
Pre-Approved ADU Program
Enables residents to choose a pre-approved ADU design from a
specific vendor:
•Pre-approved ADUs must be detached but can be stick-built
or prefabricated.
•Valley Floor geologic designation. Not eligible if within:
•Fault Rupture
•Slope instability
•Hillside
•Liquefaction/Inundation
•Continue to submit the boundary survey, site plan, and specs
for HVAC (if proposed).
Pre-Approved ADU Program
Vendor
submits
design for
ADU to
Building
Department.
Plans routed
to various
departments
for review and
approval for
building code
and fire safety.
If approved,
vendor and
design are
listed on City's
webpage.
Approved
design is kept
on file.
Qualified
homeowners
work with
approved
vendor to
submit site
specific
Building
Permit.
Building
Permit
application
reviewed for
compliance
with zoning
related
issues.
Building
Permit
issued
Pre-Approved ADU Program
Community Handouts
Accessory Dwelling Units Permitted by Year
and Type
2014 2015 2016 2017 2018 2019 2020 2021
Attached/
Conversion 0 11191081218
Detached 8 4735787
Total 8 5 181215152025
Types and Size of ADUs and JADUs in the
City (2020-2021)
JADU Detached
ADU
Attached
ADU Conversion
Average Size
(Size Range)0 652 s.f.
(406‐995 s.f.)
625 s.f.
(425‐800 s.f.)
503 s.f.
(395‐864 s.f.)
Number 0 15 18 12
•Questions/Comments
•www.Cupertino.org/adu
•www.Cupertino.org/aduplans