Residential Energy Conservation Ordinance (RECO)

The purpose of RECO is to increase the energy and water efficiency in Berkeley residences. Compliance with RECO measures saves money, increases the comfort and reduces the amount of greenhouse emissions in homes. 

To find out if a residential property is in compliance with RECO, please email the Building and Safety Department via email at:  The City maintains records for each residential property in Berkeley.  

Transitioning from RECO to BESO: Effective December 1, 2015, Berkeley's Energy Saving Ordinance (Berkeley Municipal Code 19.81) will replace both the Residential and Commercial Energy Conservation Ordinances. BESO requires all buildings to complete building-specific energy assessments, as well as publicly report a building's energy and water efficiency. BESO compliance is required prior to selling a building or due based on a phase-in schedule but will no longer be required when renovating a building. For more information, see:

When is RECO compliance required? RECO applies to all homes, residential areas of mixed-use buildings, tenants-in-common, condominiums, multi-family properties, live-work spaces and boarding houses (including the common areas/common systems) and must be complied with upon the following triggers:

RECO Forms Form A applies to all homeowners, whether selling, transferring or renovating.  Please look through other form details to see if Forms B-D or the Knob and Tube Wiring Forms apply to your home.

Please note that insulation installation (excluding blown-in wall) requires a Building Permit from the Building and Safety Division. For more information about insulation, see: Insulation.

Schedule a RECO audit for a home sale- call Community Energy Services Corporation (CESC) at 510-981-9819 or visit the CESC websiteCESC is the only authorized RECO auditor for City of Berkeley properties. 

Energy Upgrade California is rebate program that allows homeowners to make energy efficiency upgrades. Rebates range from $1,000 - $4,000 and many are compatible with RECO. For more resources, see: Energy Efficiency


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