Hawaii Infrastructure Grants
Explore 21 grant opportunities
Application Deadline
Oct 31, 2025
Date Added
Sep 23, 2025
This funding opportunity provides financial resources to public agencies, nonprofit organizations, and for-profit entities to develop and preserve affordable housing for low-income residents in Maui County.
Application Deadline
Apr 17, 2026
Date Added
Jul 18, 2025
This funding opportunity provides financial support to state and local water authorities, Indian tribes, and other eligible entities for small-scale water storage projects that improve water management and resilience in the Western United States, Alaska, and Hawaii.
Application Deadline
Jul 21, 2026
Date Added
Apr 25, 2025
This funding opportunity is designed to strengthen research capabilities in eligible jurisdictions by supporting collaborations among academic institutions, government agencies, and private industry to develop sustainable research infrastructure.
Application Deadline
Jul 29, 2024
Date Added
Jul 18, 2024
The County of Maui is accepting applications for its Green Grants to provide substantial funding—approximately $1.7 million—to support projects that promote sustainability. Donor Name: County of Maui State: Hawaii County: Maui County (HI) Type of Grant: Grant Deadline: (mm/dd/yyyy) 07/29/2024 Size of the Grant: $500,000 to $1 million Grant Duration: 1 Year Details: The Green Grants program is managed by the County of Maui Department of Environmental Management’s Environmental Protection & Sustainability Division (EP&S). Projects led by—or with a focus on—women, youth, and traditional native Hawaiian practices and approaches are highly encouraged. Starting July 12, 2024, applications are being accepted for the following grants: Environmental Protection Grant: Supports initiatives in invasive species management, environmental restoration, conservation and sustainability. A total of $490,000 is available for FY25, with a specific allocation of up to $10,000 for Waikapū community beautification projects. The Green Grants program is managed by the County of Maui Department of Environmental Management's Environmental Protection & Sustainability Division (EP&S). It provides substantial funding—approximately $1.7 million—to support projects that promote sustainability. Projects led by—or with a focus on—women, youth, and traditional native Hawaiian practices and approaches are highly encouraged. Project Period Grants run for a full year, with options to align projects either by Fiscal Year (FY) or Calendar Year (CY) in 2025: Fiscal Year (FY) 2025: July 1, 2024–June 30, 2025 Calendar Year (CY) 2025: January 1, 2025–December 31, 2025 Eligibility Criteria Funding is open to individuals, non-profit organizations, and for-profit businesses. For more information, visit County of Maui.
Application Deadline
Not specified
Date Added
Dec 16, 2024
This funding opportunity supports educational institutions, government agencies, and nonprofit organizations in Hawaiʻi to implement projects that improve energy efficiency, promote renewable energy, and enhance access to clean energy, particularly for disadvantaged communities.
Application Deadline
Not specified
Date Added
Oct 24, 2024
This program provides flexible funding to local governments to improve housing, infrastructure, and economic opportunities for low- and moderate-income individuals in their communities.
Application Deadline
Sep 27, 2024
Date Added
Sep 19, 2024
This program provides financial assistance to homeowners in Kaua‘i to upgrade failing cesspools to approved wastewater systems, helping to improve environmental health and sanitation.
Application Deadline
Jul 29, 2024
Date Added
Jul 19, 2024
The County of Maui is accepting applications for its Green Grants to provide substantial funding—approximately $1.7 million—to support projects that promote sustainability. Donor Name: County of Maui State: Hawaii County: Maui County (HI) Type of Grant: Grant Deadline: (mm/dd/yyyy) 07/29/2024 Size of the Grant: $500,000 to $1 million Grant Duration: 1 Year Details: The Green Grants program is managed by the County of Maui Department of Environmental Management’s Environmental Protection & Sustainability Division (EP&S). Projects led by—or with a focus on—women, youth, and traditional native Hawaiian practices and approaches are highly encouraged. Starting July 12, 2024, applications are being accepted for the following grants: Environmental Protection Grant: Supports initiatives in invasive species management, environmental restoration, conservation and sustainability. A total of $490,000 is available for FY25, with a specific allocation of up to $10,000 for Waikapū community beautification projects. Wetlands Restoration Grant: Funds organizations dedicated to wetland restoration in Maui County, offering $800,000 in FY25 to advance critical restoration efforts. Renewable Energy Grant: Supports initiatives promoting renewable energy and enhancing energy efficiency throughout Maui County. FY25 provides $100,000 to support projects in this area. Green Building and Resilient Housing Grant: Encourages sustainable building practices and resilient housing design and construction. FY25 funding is $100,000, with up to $56,000 designated for projects participating in the Living Building Challenge. Equipment Purchase Grant: Assists organizations in acquiring essential equipment necessary for sustainability and environmental initiatives across all funding streams and limits mentioned above. Project Period Grants run for a full year, with options to align projects either by Fiscal Year (FY) or Calendar Year (CY) in 2025: Fiscal Year (FY) 2025: July 1, 2024–June 30, 2025 Calendar Year (CY) 2025: January 1, 2025–December 31, 2025 Eligibility Criteria Funding is open to individuals, non-profit organizations, and for-profit businesses. For more information, visit County of Maui.
Application Deadline
Aug 11, 2025
Date Added
Jul 26, 2025
This funding opportunity provides financial support to states and U.S. territories with high seismic risk to improve earthquake safety through mitigation, preparedness, and educational initiatives.
Application Deadline
Aug 15, 2025
Date Added
Jul 3, 2025
This funding opportunity is designed for government representatives and agencies in Guam, the Commonwealth of the Northern Mariana Islands, and Hawaii to implement projects that control and mitigate the impact of the invasive Brown Treesnake on local ecosystems and economies.
Application Deadline
Not specified
Date Added
Mar 5, 2025
This funding opportunity provides $5 million to nonprofit organizations and public agencies in Honolulu to develop and rehabilitate affordable rental housing for low-income households, particularly those earning 60% or less of the Area Median Income, with a focus on extremely low-income individuals and those transitioning from homelessness.
Application Deadline
Not specified
Date Added
Apr 4, 2025
This funding opportunity provides financial support for state and local governments, Indian tribes, non-governmental organizations, and individuals to manage vegetation and maintain berms on military training lands in Oahu, Hawaii, ensuring safety and environmental compliance.
Application Deadline
Not specified
Date Added
May 15, 2025
This grant provides financial support for nonprofit organizations and community groups in Kaua‘i to implement projects that benefit the local community, environment, and cultural initiatives.
Application Deadline
Not specified
Date Added
Jan 9, 2025
This funding opportunity provides financial support to nonprofit organizations, governments, and educational institutions for projects that enhance the health and resilience of coral reef ecosystems across U.S. territories.
Application Deadline
Not specified
Date Added
Feb 12, 2025
This funding opportunity provides financial support to organizations in Hawai‘i that deliver essential services to vulnerable children aged 0-5 and their families, promoting their healthy development and well-being.
Application Deadline
Not specified
Date Added
May 15, 2025
This funding opportunity provides financial support to nonprofit organizations and community-serving entities that address various needs within the North Shore community of Hawai‘i, specifically between Hau‘ula and Turtle Bay.
Application Deadline
Not specified
Date Added
May 15, 2025
This grant provides financial support to nonprofit organizations and community groups in Kahuku for projects that promote education, health, economic sufficiency, and cultural understanding.
Application Deadline
Not specified
Date Added
Sep 20, 2024
This grant provides funding to organizations hosting major events in Hawaii during the first half of 2025 that attract national and international visitors, promoting the state's unique culture and enhancing its tourism brand.
Application Deadline
Not specified
Date Added
Oct 8, 2024
This grant provides funding to nonprofit organizations in Hawaii, Indiana, Kentucky, and Ohio that are focused on improving economic and social mobility for at-risk populations.
Application Deadline
Not specified
Date Added
Jan 30, 2025
This grant provides funding to organizations working to improve environmental justice and community resilience in underserved areas of Arizona, California, Nevada, and Hawaii by addressing issues like air quality, water contamination, and public health disparities.