Our Trusted Partners and Consulting Principals

The CPG team consist of select business partners and consulting principals in various industries to provide you with the best possible service.


Consulting Principals

Raymond Barro, P.E.

Consulting Principal - Engineering Services


Mr. Barro provides exclusive civil engineering services for CPG has worked in land development, engineering, project development and management for over 15 years. He has been involved in managing larger single developments with an acquisition, land, and construction valuation of over $100 million, as well as smaller site developments of less than $1 million. 


He is a registered Civil Engineer with the State of California, provides exclusive civil engineering and design services for CPG. Mr. Barro has partnered with CPG on numerous projects.



Hattem Nigma, LEED AP, Licensed Architect

Consulting Principal - Architectural & Design Services


Project Designer/ Project Architect with more than 12 years of experience in the design of commercial, residential, and office buildings in addition to extensive design and planning experience in medical and healthcare facilities.  Experience includes strategic planning of an overall project vision; working closely with complex client groups, with conflicting interests at times, usually consisting of project managers, corporate executives, and user groups; dealing with multiple regulatory agencies including OSHPD and obtaining permits and approvals; managing and working with a diverse team of architects, consultants, vendors, contractors, and administrators throughout a given project.


Project design experience encompasses Master Planning, Medical Planning, Programming, Schematic Design, Design Development and Construction Documents.


Select Projects:


  • California Pacific Medical Center: Integrated Acute Care, Cathedral Hill Campus (San Francisco, CA)
  • UCSD Medical Education Center, San Diego, CA. UCSF Neurosciences Building (San Francisco, CA)
  • ADHC Building at Laguna Honda Hospital (San Francisco, CA)
  • Avon Comprehensive Breast Center at San Francisco General Hospital (San Francisco, CA)
  • Kaiser Permanente Templated Hospitals (Antioch, Modesto and Sand Canyon, CA)
  • San Francisco General Hospital Institutional Master Plan (San Francisco, CA)
  • Wing Lung Bank, Alhambra, CA. Nueva School (Hillsboro, CA)



Professional Memberships

There are a number of professional organizations who specilize in land planning, research, green building and energy efficiency.  Our membership to these organizations helps us provide the best possible and informed services to our valued clients.  


We're proud to be a member of the following organizations:

  • SPUR (San Francisco Planning + Urban Research Association)
  • Urban Land Institute
  • USGBC San Francisco 
  • USGBC San Diego
  • Build It Green, Oakland



Contact Us Today to Discuss your Project Needs! 

Phone: (650) 269.3470


Email: pcorrea@cpg-consultants.com


Or send us an email.


CPG is fully insured and licensed.


Office Locations:

San Francisco and San Diego


Visit our Southern California website:



News & Important Links

CPG Consultants LLC is a Certified LBE and MBE Firm


Call us today for to see if you qualify for a free energy audit for your Multifamily Building!


For latest CALGreen revisions that went into effect on July 1, 2015 click here.


CPG is a qualified partcipating Rater for PG&E's Energy Upgrade CA Multifamily Program in Southern California.  As qualified Rater we can perform Energy Efficiency Performance Audits, required for building owners to benefit from the Multifamily Energy Upgrade California Program.  Click here to learn more.  


GreenPoint Rating:  What's in it for you?  

Click here to learn more


Here's a good article on CalGreen and its relation to GreenPoint Rated & Title 24:

"CalGreen, GreenPoints, and Title 24-What's the Deal?" by Rebecca Firestone in GreenCompliancePlus


Building Benchmark:  Per AB 1103, its the law.  Initial compliance will begin on January 1, 2014 (California) for non-residential buildings going through a financial transaction which includes: a sale, lease and refinance.  Click here for more info.


Frequently Asked Questions about CA's Non-Residential Building Energy Use Disclosure Law (AB 1103), click here:  


CTCAC Sustainable Building Method Requirements for affordable housing projects


"Affordable Housing with Unaffordable Energy Bills, Innovative Financial Solutions to Drive Greater Efficiency," excellent article discussing affordable housing and efficiency




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