GrantExec

Hawaii Infrastructure Grants

Explore 21 grant opportunities

HOME and HTF Grant
$5,400,000
County of Maui Department of Housing
Local
Rolling

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.

Housing
Nonprofits
Small Surface Water and Groundwater Storage Projects (Small Storage Program)
$30,000,000
U.S. Department of the Interior (Bureau of Reclamation)
Federal

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.

Natural Resources
State governments
EPSCoR Research Infrastructure Improvement Program: EPSCoR Collaborations for Optimizing Research Ecosystems (E-CORE)
$10,000,000
National Science Foundation
Federal

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.

Science and Technology
Public and State controlled institutions of higher education
County of Maui Green Grants - Environmental Protection Grant
$10,000
County of Maui
Local

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.

Environment
Nonprofits
Energy Program 2024-2025
$25,000
County of Hawaiʻi Department of Research and Development
Local

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.

Energy
For profit organizations other than small businesses
Community Development Block Grant Program 2025
$1,873,363
County of Maui
Local

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.

Community Development
Nonprofits
County of Kaua‘i Residential Cesspool Conversion Grant Program
$20,000
County of Kaua‘i
Local

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.

Infrastructure
Individuals
County of Maui Green Grants in Hawaii
$1,000,000
County of Maui
Local

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.

Environment
Nonprofits
Fiscal Year 2025 National Earthquake Hazards Reduction Program Individual State Earthquake Assistance
$963,000
U.S. Department of Homeland Security (Department of Homeland Security - FEMA)
Federal

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.

Disaster Prevention and Relief
State governments
Brown Treesnake Program 2025 funding announcement - updated July 2, 2025
$3,500,000
U.S. Department of the Interior (Department of the Interior)
Federal

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.

Natural Resources
Exclusive - see details
City and County of Honolulu Affordable Housing Fund
$55,000
City and County of Honolulu
Local

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.

Housing
Nonprofits
Schofield Barracks Vegetation Management and Berm Maintenance, Oahu, HI
$1,629,061
U.S. Department of Defense (Alaska District)
Federal

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.

Natural Resources
State governments
Annie Sinclair Knudsen Memorial fund
$10,000
Hawaii Community Foundation
Private

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.

Arts
Nonprofits
Coral Reef Stewardship Fund
$600,000
National Fish and Wildlife Foundation (NFWF)
Local

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.

Environment
Nonprofits
Development of Young Children Grant-2027
Contact for amount
Hawai‘i Community Foundation
Private

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.

Health
Nonprofits
Kahuku Wind Community Fund
$10,000
Hawaii Community Foundation
Private

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.

Energy
Nonprofits
Kahuku Community Fund
$10,000
Hawaii Community Foundation
Private

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.

Education
Nonprofits
Signature Event Program
$150,000
Council for Native Hawaiian Advancement
Private

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.

Environment
Nonprofits
2024 Bell Charitable Foundation Grant Program
Contact for amount
Bell Charitable Foundation
Private

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.

Science and Technology
Nonprofits
Thriving Communities Environmental Protection Agency Grant
$150,000
Social and Environmental Entrepreneurs
Private

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.

Environment
Nonprofits