Healthy Building Science, Inc.

Certified B Corporation

California, United States

Certified Since

April 2013


Other human health


Service with Minor Environmental Footprint

Operates In

United States

Healthy Building Science (HBS) is a professional industrial hygiene and general contracting company with clients primarily in Northern California. We offer a wide spectrum of services focusing on the built-environment: From environmental testing and healthy building inspections of all building types, to home maintenance and residential general contracting. Focused on client satisfaction and pushing the sustainability envelope, HBS offers a unique combination of environmental and building expertise. Industrial hygiene services include inspections and testing for mold, lead, asbestos, electromagnetic fields (EMF/RF), water and soil testing, etc. We are a full service industrial hygiene company for all building types including commercial, industrial, manufacturing, retail, multi-family and single-family residential. Our industrial hygienists serve projects across the country, but primarily work in the Bay Area from San Francisco - to Oakland - to San Jose - to Santa Rosa. A proactive residential maintenance service is offered on a subscription basis through Home Stewards (, our residential division. We offer quarterly home maintenance visits covering hundreds of miscellaneous items throughout a house, and also remedy all of the items discovered through IH.

Overall B Impact Score

Based on the B Impact assessment, Healthy Building Science, Inc. earned an overall score of 88.9. The median score for ordinary businesses who complete the assessment is currently 50.9.
88.9 Overall B Impact Score
80 Qualifies for B Corp Certification
50.9 Median Score for Ordinary Businesses

Governance 16.5

Governance evaluates a company's overall mission, engagement around its social/environmental impact, ethics, and transparency. This section also evaluates the ability of a company to protect their mission and formally consider stakeholders in decision making through their corporate structure (e.g. benefit corporation) or corporate governing documents.

Mission & Engagement1.1
Ethics & Transparency5.3
+ Mission Locked10

What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.

Workers 23.4

Workers evaluates a company’s contributions to its employees’ financial security, health & safety, wellness, career development, and engagement & satisfaction. In addition, this section recognizes business models designed to benefit workers, such as companies that are at least 40% owned by non-executive employees and those that have workforce development programs to support individuals with barriers to employment.

Financial Security12.3
Health, Wellness, & Safety2.5
Career Development5.3
Engagement & Satisfaction3.2

Community 21.8

Community evaluates a company’s engagement with and impact on the communities in which it operates, hires from, and sources from. Topics include diversity, equity & inclusion, economic impact, civic engagement, charitable giving, and supply chain management. In addition, this section recognizes business models that are designed to address specific community-oriented problems, such as poverty alleviation through fair trade sourcing or distribution via microenterprises, producer cooperative models, locally focused economic development, and formal charitable giving commitments.

Diversity, Equity, & Inclusion8.3
Economic Impact5.8
Civic Engagement & Giving3.9
Supply Chain Management3.7

Environment 23.6

Environment evaluates a company’s overall environmental management practices as well as its impact on the air, climate, water, land, and biodiversity. This includes the direct impact of a company’s operations and, when applicable its supply chain and distribution channels. This section also recognizes companies with environmentally innovative production processes and those that sell products or services that have a positive environmental impact. Some examples might include products and services that create renewable energy, reduce consumption or waste, conserve land or wildlife, provide less toxic alternatives to the market, or educate people about environmental problems.

Environmental Management5.6
Air & Climate2.5
Land & Life3.0
+ Environmental Education & Information11.4

What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.

Customers 3.3

Customers evaluates a company’s stewardship of its customers through the quality of its products and services, ethical marketing, data privacy and security, and feedback channels. In addition, this section recognizes products or services that are designed to address a particular social problem for or through its customers, such as health or educational products, arts & media products, serving underserved customers/clients, and services that improve the social impact of other businesses or organizations.

Customer Stewardship3.3

Previous Overall B Impact Scores

2022 Overall B Impact Score88.9
2017 Overall B Impact Score90.5
2015 Overall B Impact Score92
2013 Overall B Impact Score80.7

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