Learn more about PIW affiliated partners and associates below.

Atlantic & Pacific Build Group

Atlantic & Pacific Build Group (APBG) was formed in 2020 as the operating company for the Pacific InterWest companies (PIWBCI, PIWAIS, PIWECI, and DEM), Pacific States Aerial, Danville Development & Real Estate Inc., MacLellan Media Inc., and Homeowners Education Association. Our network of companies serves all sectors of the building industry. From land acquisition and planning, through risk mitigation, quality control and state compliance, to homeowner education and marketing, APBG is here for you whatever your needs may be. We are at the leading edge of today’s progressive building industry, delivering the highest quality products and services with unmatched human resources.

To learn more about Atlantic & Pacific Build Group, visit

Pacific InterWest Apartment Inspection Services logo
Pacific InterWest Apartment Inspection Services

Pacific InterWest Apartment Inspection Services (PIWAIS) was founded in 2020 specifically to provide turnkey inspection and consulting services for apartment and condo owners to comply with the requirements of Senate Bill 721 (SB721) and Senate Bill 326 (SB326). As a partner company with Pacific InterWest Building Consultants, PIWAIS draws on the extensive experience of the architects, inspectors, consultants, and industry experts within Pacific InterWest to execute a complete program for apartment owners from an initial evaluation through design and repairs, as well as compiling all data records to prepare for the next inspection cycle (six years for SB721 and nine years for SB326). PIWAIS’s mission is to assist property owners in navigating through the extensive logistical and procedural challenges of SB721 and SB326 to complete the inspection, reporting, design, and repair processes efficiently and effectively.

To learn more about Pacific InterWest Apartment Inspection Services, visit

Pacific InterWest Energy Consultants logo
Pacific InterWest Energy Consultants

Pacific InterWest Energy Consultants (PIWECI) provides builders with the services necessary to comply with California’s energy code requirements. Our professional and courteous team of HERS raters are certified by both CHEERS and CalCERTS, and have a minimum of six years of experience in the field. We provide a full menu of HERS testing services, including duct leakage testing, refrigerant charge and air flow, air balancing, CF2R and CF3R forms, Indoor Air Quality (IAQ) and Quality Insulation Installation (QII), and guarantee same day registry entry for all HERS testing. Along with a full menu of services to test the energy efficiency of your projects, we also offer complete California Title 24 modeling and reporting, and can process your 45L energy tax credits.

To learn more about Pacific InterWest Energy Consultants, visit

DEM Site Evaluation logo
DEM Site Evaluation and Inspection Company

DEM Site Evaluation and Inspection Company (DEM) performs pre-construction and post-construction services for builders including surrounding property surveys, homeowner association turnover inspections, homeowner and homeowner association maintenance manuals, and periodic homeowner association maintenance surveys.

Homeowners Education Association

Homeowners Education Association distributes homebuilding industry publications to property developers and homeowners to utilize and understand industry guidelines for residential construction. All publications have the common theme of homebuilding quality control, SB800 construction compliance, and industry standards of care. Consumer expectations, workmanship guidelines and standards, and structured maintenance programs are emphasized throughout each publication. The residential property development publications are written and display information in an easy to understand format so anyone can get involved in compliance and/or maintenance of their property.

To learn more about Homeowners Education Association or to purchase a publication, visit

Danville Development & Real Estate logo
Danville Development & Real Estate, Inc.


Danville Development & Real Estate, Inc. (DDRE) is a residential real estate development company with vast experience in the building industry. The company designs, entitles, and completes the land development for all types of residential communities throughout California. As licensed real estate brokers, general engineering contractors and general building contractors, Danville Development partners with and provides project management and consulting services to equity groups to develop finished lots for some of the top builders in the nation.

To learn more about Danville Development & Real Estate, Inc., visit

Pacific States Aerial

Pacific States Aerial is a full-service commercial Unmanned Aerial System (UAS) operator authorized by the FAA for aerial services throughout the United States. Pacific States Aerial provides a complete package of data collection services to multiple industries using photographs, video, and 3D mapping to establish elevations, linear and volume measurements, and much more.

To learn more about Pacific States Aerial, visit

The Building Standards Institute logo
The Building Standards Institute

The Building Standards Institute is a non-profit organization established for the purpose of providing consumer education in the field of residential construction. Additionally, The Building Standards Institute shares information among builders, specialty contractors, manufacturers, and suppliers regarding issues of SB800 (The Right to Repair Law), product safety, methods of construction, and innovations in the trade. The Building Standards Institute draws upon the contributing efforts of industry leaders and technical experts. The mission of The Building Standards Institute is to provide timely, unbiased information to the building industry and consumers on issues such as building performance standards, code changes, maintenance suggestions, and new product information.

To learn more about The Building Standards Institute, visit

HomeAid Northern California logo
HomeAid America – Northern California

HomeAid is a leading national non-profit provider of housing and resources for people experiencing homelessness. It was founded in 1989, by the Orange County chapter of the Building Industry Association of Southern California. Since 1995, HomeAid has expanded to 19 chapters, 13 states and has provided housing for more than 330,000 individuals. HomeAid America’s work in providing housing and resources to those in need is more critical than ever, with more than 3.5 million Americans experiencing homelessness every year. DDRE enjoys participating in HomeAid’s goal and efforts to assist our community in times of need.

To learn more about HomeAid America – Northern California, visit

California Building Industry Association logo
California Building Industry Association

The California Building Industry Association (CBIA) has historically played a significant role in California’s economic strength, and its success is critical to the State’s current recovery. CBIA was established in 1943 and there are 10 regional affiliates. CBIA is focused on supporting intelligent, constructive policies that bolster the construction industry and will fight back against efforts that seek to stifle the economic benefits of the new construction and homebuilding sector. CBIA successes have included fighting back efforts to impose costly and burdensome housing mandates. DDRE and its affiliated companies are actively involved with the building industry associations within the following California regions: Bay Area, North State, Southern California, and San Diego.

To learn more about California Building Industry Association, visit

California Homebuilding Foundation logo
California Homebuilding Foundation

The California Homebuilding Foundation (CHF) supports and celebrates future, present and past homebuilding professionals through funding research studies, producing scholarships and promoting educational programs. CHF operates under the core principle that better education benefits communities, trades, and students.

To learn more about California Homebuilding Foundation, visit

Building Industry Technology Academy logo
Building Industry Technology Academy

The California Homebuilding Foundation promotes the Building Industry Technology Academy (BITA) which educates and empowers students who are interested in a future building industry career. BITA is a four-year construction trades program offered free of cost to California public school students. This program is highly motivating to young individuals who desire to become involved in the construction industry.

To learn more about Building Industry Technology Academy, visit

National Association of Home Builders

The National Association of Home Builders (NAHB) strives to protect the American Dream of housing opportunities while working to achieve success for its members who build communities, create jobs, and strengthen the economy. Each year, NAHB constructs about 80 percent of the new homes built in the United States. NAHB was founded in the early 1940s and has a federation of more than 700 state and local associations and represents more than 140,000 members. NAHB is member driven, with more than 1,700 members serving on the leadership’s council.

To learn more about National Association of Home Builders, visit

Professional Women in Building logo
Professional Women in Building – Bay Area

The Professional Women in Building Council (PWB) encourages networking and empowerment of members as they progress in their careers. PWB strives to give back to the community, empower women to be a force, and provide a positive and knowledgeable environment. PWB offers opportunity, mentoring and advancement in business knowledge.

To learn more about Professional Women in Building – Bay Area, visit