Become a Home Energy

Score Assessor

If you have questions, or need help with becoming an Assessor, please contact the program administrator at:


Home Energy Score Assessors enrolled in the BayREN Green Labeling program can receive up to $400 in rebates for performing Home Energy Scores within the nine Bay Area Counties (some exclusion apply, see below). Expand your business and help homeowners better understand the energy efficiency of their homes by becoming a participating Assessor today!

Enrolled Assessors are eligible to receive a $200 rebate for each home scored. Additionally, a $100 bonus rebate is available if the Assessor completes a short “Electrification Checklist” as part of the Home Energy Score. If a re-score is performed after a home has completed upgrades, Assessors may also be eligible for an $100 kicker incentive. Rebates are not available in the City of Palo Alto and the $200 initial rebate is not available in the City of Berkeley. However, Berkeley scores are eligible for the two $100 bonus rebates. There is no cost associated with using the Scoring Tool.

How to Enroll

Step 1. Orientation Webinar

Watch the Assessor Orientation Webinar. Review the online recorded orientation webinar to complete the Assessment Orientation and download the webinar presentation slides.


Step 4. Pass a Free, Online Test. 

Interested Individuals with the necessary credentials must also pass a two-part online test in order to access the Home Energy Scoring Tool. The testing details will be provided once you complete Steps 1-3.


Step 2. Agreement

To offer the Home Energy Score to homeowners and to be an Assessor affiliated with BayREN, interested individuals must fill out and sign the Assessor Agreement. 


Step 5.


Once your eligibility and agreement are confirmed you will be enrolled.


Step 3. 

Step 6. Score a home with a Mentor

Assessors must score at least one home every six months to maintain an active status in the program. A program mentor will accompany you on your first assessment and rescore 5% of your assessments to ensure quality program wide.

Insurance Requirements

In order to become a Home Energy Score Assessor, you must maintain the following insurance (including sole proprietors), as outlined in Appendix A of the Home Energy Score Assessor Participation Agreement: 

  • Comprehensive general liability insurance, including personal injury liability, blanket contractual liability, and broad-form property damage liability coverage. The combined single limit for bodily injury and property damage shall be at least $1,000,000.

  • Automobile bodily injury and property damage liability insurance covering owned, non-owned, rented, and hired cars. The combined single limit for bodily injury and property damage shall at least $1,000,000.


In addition to the above, the following workers compensation is required for all companies with at least one employee. For sole owners with no employees, this insurance is optional: 

  • Statutory workers' compensation and employer's liability insurance as required by state law with a limit of at least $1,000,000 per accident for bodily injury or disease. Neither Assessor nor its carrier shall be entitled to recover any costs, settlements, or expenses of workers' compensation claims arising out of this agreement. The Employer's Liability policy shall be endorsed to waive any right of subrogation against StopWaste, its employees or agents.

City of Berkeley Specific Regulations

The City of Berkeley’s Building Energy Saving Ordinance (BESO) Program has additional requirements for assessments and rebate payments. If you want to provide Home Energy Scores in the City of Berkeley, please complete the StopWaste Assessor Agreement, and let us know you would also like to work in the City of Berkeley. We will then work with you to complete the additional requirements. An Assessor must be registered as a Home Energy Score Assessor with StopWaste in order to be a BESO Assessor.

We do not provide rebates to Assessors that perform a Home Energy Score

in the City of Berkeley, because Berkeley requires a Home Energy Score to be performed at time of salle in accordance with the BESO ordinance.


More details can be found here: 

Building Energy Saving Ordinance (BESO) in Berkeley. 


Relevant Credentials

Individuals interested in becoming Assessors must hold a relevant credential from one of the residential trade organizations listed below. Home Energy Score recognizes the following credentials as well as more comprehensive certifications offered by these organizations. 

American Society of Home Inspectors (ASHI)
ASHI Inspector or Certified Inspector
Build it Green
Green Point Rater or Certified Green Building Professional
Building Performance Institute (BPI)
Building Science Principles Certificate of Knowledge
California Real Estate Inspector Association
CREIA Certified or Master Inspector
International Association of Certified Home Inspectors (InterNACHI)
Home Energy Inspector
National Association of Home Inspectors (NAHI)
Certified Real Estate Inspector
National Association of the Remodeling Industry (NARI)
Green Certified Professional, Certified Remodeler, or Master Certified Remodeler
North American Technician Excellence (NATE)
Air Conditioning/Heat Pumps, Gas/Oil Heating, or Gas/Oil Hydronics
Residential Energy Services Network (RESNET)
HERS Rater