Best Capacity Building Grants for Nonprofits in Maine

The Nicholas B. Ottaway Foundation offers grants through its Education Committee to support programs enhancing educational opportunities for economically disadvantaged students. These grants focus on initiatives like tutoring, college preparation, and internship programs. To qualify, organizations must be tax-exempt under 501(c)(3). Preference is given to projects that provide ongoing support to students post-graduation, particularly in specific geographic areas such as San Diego County and the New York Metropolitan Area.

The Smart Growth America Community Connectors Grant Program supports small and mid-sized cities in addressing divisive infrastructure caused by dangerous roads. With funding from the Robert Wood Johnson Foundation, this program aims to reconnect communities through temporary street safety projects while fostering skills and partnerships. Eligible teams must represent populations of 50,000 to 500,000 and include both government and community-based organizations. Priority will be given to projects benefiting low-income communities historically affected by disinvestment.

The Rural Opioid Technical Assistance Centers program aims to provide essential training and technical assistance to combat opioid and stimulant misuse in rural areas. With 10 Regional Centers and a National Coordinating Office, the initiative focuses on high-quality prevention, treatment, and recovery support services for substance use disorders. This program anticipates awarding 11 new grants to enhance community health and safety in addressing polysubstance use challenges.

Headstream Accelerator 2026

Accelerator Application Cohort VI

The Headstream Accelerator supports entrepreneurs from all backgrounds in scaling digital solutions that improve the mental well-being of teens at risk, with a focus on the education and healthcare sectors. Our four-month, virtual-first program is designed for early-stage innovators, helping them strengthen their business models, refine their value propositions, and build the foundation for sustainable growth and meaningful impact.

Benefits:

• $30,000 non-dilutive stipend 
• Partnership with youth from Headsteam’s Youth Co-Creator Club to gain insights on cultural relevance, age-appropriateness, and user experience, ensuring your solutions resonate deeply and effectively with the next generation 
• Access to a network of expert advisors, connect with a community of founders, and engage with potential investors and capital providers 
• Access to one-on-one and group coaching sessions with our partner, FounderWell

Participant Expectations:

• Attend all activities, including virtual cohort and youth co-creation sessions, advisor calls, and an in-person kickoff event from July 28–30, 2026
• Commit 2–5 hours weekly during the program, including virtual sessions, advisor network office hours, guide calls, and more
• Embed youth voices throughout your product development

Sun Life’s Health Access Grant Program aims to enhance access to health services, specifically targeting diabetes and oral health in local communities. With funding options ranging from $25,000 to $100,000, this program supports 501(c)(3) charities focused on diabetes prevention, management, and oral health care. By fostering access to essential health services, Sun Life is committed to building healthier communities and addressing health disparities faced by underprivileged populations.

Loene Pooler Guthrie Scholarship Fund

The Loene P. Guthrie Scholarship fund benefits music students in Benton, Linn, and Lincoln counties who plan to engage in the teaching of piano, voice, and orchestral music.

This scholarship fund promotes the teaching of piano, voice and orchestral music by aiding music students in Benton, Linn, and Lincoln Counties who plan to engage in the teaching of piano, voice, and orchestral music. Students who will graduate from Linn, Benton, or Lincoln County high schools or graduates of those high schools currently studying music at an institution of higher learning may apply. The Linn-Benton Chapter of the Oregon Music Teachers Association reviews the applications and selects individuals to perform at an audition open to the public.

The Cancer-Related Behavioral Health Fund, established by the HealthWell Foundation, provides financial assistance to individuals diagnosed with cancer for behavioral health treatments. This fund covers costs associated with prescription drugs, counseling services, and transportation. Aiming to alleviate financial burdens, it ensures that underinsured patients can access necessary care without delay. In 2024, the foundation awarded over $1.2 billion, emphasizing its commitment to improving health outcomes for cancer patients across the United States.

The Systemic Sclerosis with Interstitial Lung Disease Fund, managed by the HealthWell Foundation, aims to reduce financial barriers for underinsured patients suffering from systemic sclerosis. This rare autoimmune disease leads to excessive collagen production, causing serious health issues. The fund assists with prescription copays and insurance premiums to ensure patients receive necessary treatments. In 2024, HealthWell awarded over $1.2 billion in grants, supporting more than 1.1 million patients in accessing vital healthcare services.

The National Girls and Women in Sports (NAGWS) Legacy Award, established by SHAPE America, honors exemplary contributions to increasing opportunities for women in sports. This annual award recognizes current SHAPE America members who submit impactful proposals related to women's sports, with a monetary prize of $1000. The award will be presented at the National Convention & Exposition, with a special deadline of November 1st. Nominations can include various initiatives aimed at empowering women in sports.

The Mosaic Company Foundation Community Investment Grant aims to create a lasting impact in communities by supporting initiatives in three key areas: Food, Water, and Local Community. With an annual investment of approximately $12 million, the foundation addresses food security, promotes water conservation, and enhances community sustainability. Eligible applicants must be recognized charitable organizations, primarily in North America, committed to improving quality of life through innovative solutions and partnerships.

The Strengthening Services to Prevent the Infectious Disease Consequences of Drug Use initiative aims to enhance prevention services for infectious diseases among people who use drugs (PWUD). It encompasses two components: a biennial survey to assess service gaps and capacity, and increased support for testing and treatment services. The initiative seeks to improve data utilization in service provision, ultimately increasing testing for HBV, HCV, and HIV, and ensuring more PWUD engage in treatment and care.

The AWWA Arcadis Scholarship offers a $5,000 award to graduate-level students from underrepresented racial and ethnic minority groups pursuing STEM fields. This initiative by the American Water Works Association aims to promote diversity and inclusion in the water service industry, recognizing the critical role of future leaders in ensuring sustainable water supply. Eligible candidates include Black, Latinx, and American Indian or Alaska Native students with the potential for impactful contributions in the sector.

The AWWA Abel Wolman Fellowship, established in 1984, supports highly qualified students conducting meaningful research in water supply through doctoral programs. Named after Dr. Abel Wolman, this prestigious award recognizes excellence and creativity in the water sector. The fellowship provides up to two years of financial support, with an initial award of $30,000 for the first year, aimed at fostering the next generation of water professionals in the U.S., Canada, and Mexico.

The AWWA Scholarship Program, specifically the Carollo Engineers Bryant L. Bench Scholarship, offers a $10,000 award to graduate students dedicated to advancing their careers in the water consulting engineering field. Established in honor of Bryant L. Bench, this scholarship aims to support future leaders who will enhance drinking water quality through innovative engineering solutions. The American Water Works Association emphasizes the importance of investing in students to secure the future of the water industry.

The Oriental Trading Company Corporate Giving Program focuses on enhancing the lives of children through education, youth programming, healthcare, and human services. With a commitment to making the world a better place, they support organizations that are tax-exempt under Section 501(c)(3) or public educational institutions. Their initiatives aim to foster community partnerships and provide essential resources to youth in need, ensuring they have access to vital services and opportunities for growth.

The AWWA Hazen Scholarship supports graduate-level candidates dedicated to improving water quality and resources. Awarded by the American Water Works Association, this scholarship aims to empower future leaders in the water industry. Candidates must demonstrate commitment to addressing critical challenges in drinking water, water reuse, and sustainable practices. This initiative reflects AWWA's mission to invest in the next generation of water supply professionals, ensuring a sustainable future for water resources.

The HDR One Water Institute Scholarship, offered by the American Water Works Association, provides $10,000 in funding to support graduate students pursuing degrees that will lead to careers as consultants in the water industry. This initiative highlights the importance of investing in future water professionals and fostering innovative research to address pressing water challenges.

The AWWA Scholarship Program, specifically the Mueller HBCU Scholarship, supports undergraduate students from historically black colleges and universities pursuing careers in the water sector. Offered by the American Water Works Association (AWWA), this scholarship recognizes the vital role of future professionals in addressing water industry challenges. AWWA aims to invest in students who will contribute to sustainable water management and innovation within their communities.

The Harris and Frances Block Foundation, established in 2001, supports small grassroots organizations focused on social and environmental justice. They prioritize equitable solutions and sustainable community development, funding initiatives related to environmental education, justice, and food security. Grants are available to non-profit, tax-exempt organizations in specific geographical areas including Vermont, North Carolina, Virginia, and New York City, excluding funding for lobbying, land acquisition, and scholarships.

The Core State Injury Prevention Program (Core SIPP) aims to enhance public health infrastructure and partnerships to prevent unintentional injuries through data-driven strategies. Focusing on key areas such as traumatic brain injury, falls among older adults, and drowning, it seeks to improve community safety by strengthening data use and fostering collaborations. This initiative supports states in identifying local injury concerns, thus promoting evidence-based prevention approaches and increasing the capacity for sustained public health actions.

The Rare Impact Fund, founded by Selena Gomez, is dedicated to transforming mental health support for young people. With a commitment to mobilizing $100 million, the fund aims to enhance access to mental health services and promote a stigma-free community. Through public Requests for Proposals, the initiative seeks to strengthen the nonclinical youth mental health workforce, ensuring effective support systems that reflect the diverse backgrounds of youth. This innovative approach fosters lasting change in mental health care.

St. Mary's Bank Charitable Foundation Community Support Grants aim to enhance community welfare by providing financial support to nonprofit organizations. With a commitment to 'people helping people' since 1908, the foundation focuses on areas like youth programming, homelessness, and civic support. In 2023 alone, they donated over $200,000 to 190 organizations, reflecting their dedication to improving lives in New Hampshire. They prioritize funding for nonprofits within their service areas, ensuring impactful contributions to local communities.

Tree Research and Education Endowment Fund (TREE Fund)

TREE Fund is a 501(c)3 nonprofit whose mission is to support scientific discovery and dissemination of new knowledge and best practices in the fields of arboriculture and urban forestry.

TREE Fund’s research and education programs shape industry best practices, improve workforce safety and contribute to the long-term sustainability of our communities in the following crucial ways:

• Improving the quality of nursery grown trees and overall tree survival through the development of hardier, drought- and disease-resistant species.
• Stopping diseases and pests while reducing pesticide use with the evolution of integrated pest management programs.
• Enhancing public and workforce safety with advanced tree risk assessment techniques and greater knowledge about why and how trees fail.
• Quantifying the benefits of trees which makes it easier for governments and businesses to project their return on tree care investment.
• Revolutionizing global best practices for growing strong, healthy landscape trees.
• Connecting youth with nature to promote environmental stewardship in the next generation and inspire them to consider careers in green industries.

Lucas Tree Experts Integrated Vegetation Management Endowed Research Fund

Since 1926, John Lucas Tree Expert Co. has worked with investor-owned utilities, electric cooperatives, municipalities, railroads, and pipeline customers throughout the United States and Canada. Innovation has always been a core value, and Lucas remains committed to innovation that makes the industry safer, greener, and more efficient. The Lucas Tree Experts Integrated Vegetation Management Endowed Research Fund is a new endowment fund of Tree Research and Education Endowment (TREE) Fund created to support research in Integrated Vegetation Management in the United States and Canada.

This fund program was created in 2026 to help celebrate Lucas Tree’s 100th anniversary. Lucas Tree’s anniversary marks a century of innovation, safety, and stewardship in utility vegetation management.

Projects are expected to be completed within one to three years. No project may receive more than one award from this program.

Application Requirements can be found here.

AARP Foundation

AARP Foundation strengthens financial resilience for and with older adults by empowering individuals and improving systems.

AARP empowers people to choose how they live as they age. There are 125 million Americans who are 50 or older, and people want their money, health and happiness to last as long as they do. We are a wise friend and fierce defender, focusing on the priorities of older Americans.

Purpose Prize® from AARP

Honoring extraordinary people 50-plus who put their purpose into action.

Purpose is a powerful force for good. The Purpose Prize from AARP honors extraordinary older Americans who put their purpose into action to support AARP’s mission of empowering people to choose how they live as they age. Winners receive $75,000 and a year of organizational support from AARP to grow the impact of their nonprofits. Examples of organizational support include data and evaluation, governance and succession planning, fundraising strategy, and prospectus development.

Joseph G Markoly Foundation Inc

When Joseph Markoly originally established the foundation more than thirty years ago, its focus was on Alzheimer’s and heart disease support, funded through a number of the larger national disease-related organizations. Over time the focus has shifted to helping small to mid-size organizations in our local communities which support children and seniors in a variety of effective ways. 

Markoly Foundation was established in honor of Joseph G. Markoly, an entrepreneur and philanthropist who wanted to make a positive impact in people’s lives. Joseph’s family was affected directly by both Alzheimer’s and heart disease having lost a family member to each condition. For that reason, the foundation dedicates a majority of their resources to providing grants to organizations that focus on the treatment of each of these diseases. In addition, Markoly Foundation supports a variety of programs dedicated to helping children and seniors by providing services, supplies, programs and research in areas impacting these demographics.

Joseph G. Markoly Foundation Grant Support for Elder Organizations

The Markoly Foundation takes pride in supporting local organizations that provide services for elders in our community. Seniors face a number of challenges that come with aging, especially when they don’t have loved ones who are able to assist them with their needs. We provide grants for a variety of senior-related programs from Caregiver Education and Support to Emergency Meal Delivery and Transportation Services.

We are dedicated to providing funding for local nonprofit programs that improve the quality of life for all, but particularly for the children and elders in our community.

The Opioid Crisis Response Program Fellowship, offered by Equal Justice Works, addresses the opioid epidemic by mobilizing public interest lawyers to provide vital civil legal aid to underserved communities affected by Opioid Use Disorder. This two-year fellowship enables attorney fellows to advocate for clients' rights, reduce barriers to treatment, and enhance community education about legal impacts. Through collaboration with various stakeholders, the program aims to improve health outcomes and foster systemic change in the fight against this public health crisis.

The Chemical Countermeasures Research Program (CCRP) Initiative aims to support vital research on the harmful effects of acute exposure to Ultra-Potent Synthetic (UPS) opioids, including fentanyl and its combinations. This funding opportunity encourages studies that enhance understanding and mitigation strategies for these substances, focusing on both immediate and long-term health impacts. Applications are due by 5:00 PM local time, with optional Letters of Intent accepted 30 days prior to the proposal deadline.