Department of the Interior Grants
Browse 537 Department of the Interior Grants below, sorted by the last date to apply.
Along with the application deadline, each grant's categories are also displayed.
Select a specific Department of the Interior grant to read the full description of the opportunity, which includes the grant type, total award amount, eligible applicants, important deadlines, and official contact details.
If you wish to search for a specific keyword or view grants sorted by category, utilize the menu links.
| Deadline | Grant Title | Categories |
| May 16th, 2025 |
FY 2025 Energizing Insular Communities Program |
Energy |
| April 9th, 2025 |
Brown Treesnake Program 2025 funding announcement |
Other |
| March 12th, 2025 |
OIA Coral Reef and Natural Resources Program 2025 |
Environment |
| March 12th, 2025 |
OIA Maintenance Assistance Program 2025 |
Other |
| March 12th, 2025 |
OIA Technical Assistance Program 2025 |
Other |
| July 31st, 2024 |
OIA Bipartisan Infrastructure Law (BIL) Funding |
Environment |
| June 14th, 2024 |
FY 2024 Energizing Insular Communities Program |
Energy |
| March 15th, 2024 |
OIA Coral Reef and Natural Resources Program 2024 |
Environment |
| March 15th, 2024 |
OIA Technical Assistance Program 2024 |
Other |
| March 15th, 2024 |
OIA Brown Treesnake Program 2024 funding announcement |
Other |
| March 15th, 2024 |
OIA Maintenance Assistance Program 2024 |
Other |
| November 1st, 2023 |
OIA Bipartisan Infrastructure Law (BIL) Funding |
Environment |
| October 30th, 2023 |
Inflation Reduction Act funding - 2023 - Puerto Rico |
Other |
| June 15th, 2023 |
FY 2023 Energizing Insular Communities Program |
Energy |
| January 31st, 2023 |
OIA-BIL Activity 8 - Restore native vegetation and mitigate environmental hazards on mined Federal and non-Federal land |
Environment |
| January 31st, 2023 |
Inflation Reduction Act funding - 2023 |
Other |
| March 17th, 2023 |
OIA Brown Treesnake Program 2023 funding announcement |
Other |
| March 17th, 2023 |
OIA Coral Reef and Natural Resources Program 2023 |
Environment |
| March 17th, 2023 |
OIA Maintenance Assistance Program 2023 |
Other |
| March 17th, 2023 |
OIA Technical Assistance Program 2023 |
Other |
|
| August 30th, 2022 |
OIA-BIL Activity 8 - Restore native vegetation and mitigate environmental hazards on mined Federal and non-Federal land |
Environment |
| June 7th, 2022 |
Heritage (Tourism) Opportunities in Hawaiʻi (HŌʻIHI) NATIVE Act Grant Program for Native Hawaiian Organizations |
Community Development |
| June 15th, 2022 |
FY 2022 Energizing Insular Communities Grant Program |
Energy |
| April 1st, 2022 |
OIA Brown Treesnake Program 2022 funding announcement |
Other |
| April 15th, 2022 |
OIA Coral Reef and Natural Resources Program 2022 |
Environment |
| April 15th, 2022 |
OIA Maintenance Assistance Program 2022 |
Other |
| April 15th, 2022 |
OIA Technical Assistance Program 2022 |
Other |
| June 30th, 2021 |
FY 2021 Energizing Insular Communities Grant Program |
Energy |
| April 1st, 2021 |
OIA Brown Treesnake Program 2021 funding announcement |
Other |
| April 21st, 2021 |
Maintenance Assistance Program 2021 |
Other |
| April 16th, 2021 |
Coral Reef and Natural Resources Program 2021 |
Environment |
| April 1st, 2021 |
OIA Technical Assistance Program |
Other |
| June 15th, 2020 |
Energizing Insular Communities Program |
Energy |
| April 1st, 2020 |
Maintenance Assistance Program |
Other |
| April 1st, 2020 |
Coral Reef and Natural Resources Program |
Environment |
| April 1st, 2020 |
Brown Tree Snake Program |
Other |
| April 1st, 2020 |
Technical Assistance Program |
Other |
| July 15th, 2019 |
Notice of Intent to Award to RTI International |
Environment |
| July 15th, 2019 |
Notice of Intent to Award to Salton Sea Authority |
Environment |
| July 5th, 2019 |
Notice of Intent to Award to California Department of Water Resources |
Environment |
Department of the Interior Grants 1-40 of 537
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