Cities Index.
Attachment A - GBC Applicability and Existing Reach Code Amendments

Palo Alto City Council
September 8, 2025

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Attachment A - GBC Applicability and Existing Reach Code Amendments
Meeting
September 8, 2025
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Palo Alto City Council
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2.2 MB
Text extracted from the city's file for reading and search. Open the original on cityofpaloalto.primegov.com. That file is the official record.

Green Building Code Applicability Requirements and Existing Local Amendments Single Family CalGreen Code Applicability
Scope of Work Current requirements
ADU conversions, alterations, additions CalGreen Mandatory Alterations / Additions that Increase conditioned
area and do not trigger Tier 1 requirements
CalGreen Mandatory
Additions / Alterations1 >1000 sf CalGreen Mandatory + Tier 1 New construction or substantial remodel CalGreen Mandatory + Tier 2 Multi-Family CalGreen Code Applicability
Scope of Work Current requirements
Alterations / Additions that Increase conditioned
area and do not trigger Tier 1 requirements
CalGreen Mandatory
Additions / Alterations1 >1000 sf CalGreen Mandatory + Tier 1 New construction or substantial remodel CalGreen Mandatory + Tier 2 Non-Residential CalGreen Code Applicability
Scope of Work Current requirements
Tenant Improvements (Tis), Renovations, Alterations
w/ $200,000 permit valuation and do not trigger Tier
1 or Tier 2 requirements
CalGreen Mandatory
TIs, Renovations, Alterations > 5,000 SF w/
replacement of two systems: HVAC system, building
envelope, hot water system, lighting system
CalGreen Mandatory + Tier 1
Additions > 1,000 SF CALGreen Mandatory + Tier 2
New construction CalGreen Mandatory + Tier 2
1 Alterations include raising the plate height, historic restoration, changes or rearrangements of the structural parts or elements, and changes or rearrangement of bearing walls and full height partitions.

Normal maintenance, reroofing, painting or wall papering, floor finishes, replacement-in-kind of mechanical, plumbing and electrical systems, or replacing or adding new kitchen counter and similar furniture, plumbing fixture to the building are excluded for the purposes of establishing scope of Tier 1 projects (PAMC 16.14.080).

Attachment A
Existing Local Amendments to the Green Building Code
Applies To:

Single
Family
Multi
Family
Non
Res
Third-party Green Building Special Inspector required for all projects (PAMC 16.14.080) X X X
Low-carbon concrete requirements for Tier 1 and Tier 2 projects (PAMC 16.14.080, PAMC 16.14.240) X X X
Deconstruction and construction materials management (PAMC

16.14.150, PAMC 5.24) X X X
Cement and concrete made with recycled products (PAMC 16.14.420) X Enhanced construction waste reduction of 80% X X X
Local storm water pollution prevention for new construction and additions (PAMC 16.14.290) X
Invasive species prohibited (PAMC 16.14.330) X
Indoor Air Quality Management Plan (PAMC 16.14.390) X X Recycled water infrastructure for irrigation X X
Cooling tower water use X X
Swimming pool and spa covers – vapor retardant cover required (PAMC 16.14.100) X X
Non-residential enhanced water budget (PAMC 16.14.340) X Energy STAR portfolio manager profile for energy and water use, energy and water performance reviews (PAMC 16.14.360, 370, 380) X Full electrification of outdoor grills, stoves, and barbeques (PAMC

16.14.090) X X X
Electric readiness requirements (PAMC 16.14.190/410, PAMC 16.17) X X X Enhanced EV Charging requirements
(PAMC 16.14.160, PAMC 16.14.400) X X X
Summary of Enhanced EV Charging Requirements in the Green Building Code For clarity, the table below summarizes the EV charging requirements in the Green Building Code at a high level and are accurate for most projects. For precise requirements see PAMC 16.14.160 and

16.14.400.

Single
Family
Multi-family Hotels/Motels Nonresidential
New
Construction
of Any Size
(including
substantial
remodel for
residential)
Install 1 EV
Ready
Space

OR

Install 1
Level 2 EV
Charger

Exception:

Accessory
Dwelling
Unit (ADU)
Resident Parking: For
each residential unit,
install one Level 2 EV
Charger
OR
Install one Level 2 EV
Ready Space for each
residential unit

AND

Guest Parking: 25% EV
Capable, EV Ready, EV
Chargers
AND
10% EV Chargers
Installed
40% EV Ready
AND
10% Level 2 EV
Chargers
Installed

10 to 20 parking
spaces: 20% EV
Capable or EV
Ready Space
AND
20% Level 2 EV
Chargers Installed

OR

Over 20 parking
spaces: 15% EV
Capable or EV
Ready Space
AND
15% EV Chargers
Installed

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