RECO: Residential Property Sold or Transferred

Effective December 1, 2015, Berkeley's Building Energy Saving Ordinance (BESO) will replace both the Residential and Commercial Energy Conservation Ordinances (RECO and CECO). The transition from RECO/CECO to BESO will occur between October 9, 2015 and December 1, 2015. Effective October 9, 2015, RECO/CECO deferrals are no longer available. For more information about the transition from RECO/CECO to BESO, see

RECO compliance must be completed within one year of the date of sale.

 1. RECO Requirements: Specific details are on RECO Form A Appendix.  A general outline of required upgrades follows:

2.  Rebates for RECO Measures: Check the following sites for more information on residential conservation services:

3. RECO Forms:  

All RECO forms are located at:  or at the Planning Department Frequently Requested Forms.

To find out if a building is in compliance with RECO, contact the City’s Building and Safety Department via email at: The City maintains records for each residential property in Berkeley.  If further assistance is required, call 510-981-7440 and listen for the RECO option.  Please have the property address ready.

4. Knob and Tube Safety Information: Knob and Tube wiring is common in older homes. If your home has Knob and Tube wiring in the attic, you must:

  1. Hire a licensed electrician to inspect the wiring prior to installing any attic insulation
  2. Certify that the wiring is safe to insulate around by filling out Knob and Tube Wiring Safety Inspection Report
  3. Submit Knob and Tube Wiring Safety Inspection Report with your RECO Form A
  4. Review Safety Measures that follow:

5. Getting RECO Work Done

6. Schedule Inspection 

Community Energy Services Corporation (CESC) conducts all RECO inspections. Call 510-981-9819 to schedule an appointment, or check the CESC web page for more information. 

Inspection and Filing Costs Mail or deliver all documents to: City of Berkeley Permit Service Center, 2120 Milvia Street, Berkeley, CA  94704

7. RECO Spending Limits
There is a limit to the amount of money that must be spent to meet RECO upgrades.  You need not spend more than:

8. Live/Work vs. Work/Live Determinations

See general RECO Information at:  

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