Grants due in October 2026

45 open grants close in October 2026, 12 of them open to small businesses. Every listing links to its official source.

October 2026

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Saturday, October 24 1 deadline

FY2026 Implementation of the Quagga and Zebra Mussel Action Plan (QZAP) in the Western United States

Department of the Interior $50K to $600K Small businesses eligible

Closes today

Monday, October 26 4 deadlines

Assisting Specialty Crop Exports: Low Oxygen Storage and Packaging Systems for U.S. Tree Nuts with Phytosanitary Traceability

Department of Agriculture Up to $2M Others (see eligibility details)

Closes in 2 days
Climate Program Office (CPO) FY2026 Earth System Science and Services Partnership

Department of Commerce $1 to $10M Others (see eligibility details)

Closes in 2 days
Long-term health outcomes of people living with spina bifida

Department of Health and Human Services $100K to $300K Small businesses eligible

Closes in 2 days
ROSES25: D.8 Habitable Worlds Observatory Precursor Science Investigation

National Aeronautics and Space Administration Others (see eligibility details)

Closes in 2 days

Tuesday, October 27 1 deadline

Strengthening Bosnia and Herzegovina’s Organized Crime Specialized Departments for Organized Crime Through Expert Advisory Support

Department of State $50K to $75K Individuals

Closes in 3 days

Wednesday, October 28 2 deadlines

NASA Innovative Advanced Concepts (NIAC) Phase I

National Aeronautics and Space Administration Up to $225K Small businesses eligible

Closes in 4 days
OJP FY 2026 Special Attorneys Program Round 10

Department of Justice Up to $3M City or township governments

Closes in 4 days

Thursday, October 29 11 deadlines

BJA FY 2026 Capital Case Litigation Initiative: Improving the Quality of Legal Representation in State Capital Cases

Department of Justice Up to $450K Others (see eligibility details)

Closes in 5 days
BJA FY 2026 DNA Capacity Enhancement for Backlog Reduction (CEBR)—Formula Grants Program

Department of Justice Up to $3.5M City or township governments

Closes in 5 days
BJA FY 2026 Paul Coverdell Forensic Science Improvement- Competitive Grants Program

Department of Justice Up to $500K County governments

Closes in 5 days
BJA FY 2026 Prosecuting Cold Cases Using DNA

Department of Justice Up to $750K Tribal organizations

Closes in 5 days
BJA FY 2026 Veterans Treatment Court Program

Department of Justice Up to $2.5M State governments

Closes in 5 days
OJJDP FY 2026 Community and Schools Youth Drug Prevention Program

Department of Justice Up to $750K Nonprofits eligible

Closes in 5 days
OJJDP FY 2026 Juvenile Drug Treatment Court Program

Department of Justice Up to $1M State governments

Closes in 5 days
OJJDP FY 2026 Missing and Exploited Children Training and Technical Assistance

Department of Justice Up to $1.2M Small businesses eligible

Closes in 5 days
OJJDP FY 2026 Multistate Mentoring Programs

Department of Justice $1M to $4M Nonprofits eligible

Closes in 5 days
OJJDP FY 2026 Strengthening Internet Crimes Against Children (ICAC) Technological Investigative Capacity

Department of Justice Up to $675K Small businesses eligible

Closes in 5 days
OJJDP FY 2026 Victims of Child Abuse Act Training and Technical Assistance for Child Abuse Professionals

Department of Justice Up to $2.9M Nonprofits eligible

Closes in 5 days

Friday, October 30 17 deadlines

BJA FY 2026 Adult Treatment Court Program

Department of Justice Up to $2.5M City or township governments

Closes in 6 days
BJA FY 2026 National Center for Veterans Justice

Department of Justice Up to $4M Small businesses eligible

Closes in 6 days
BJA FY 2026 Rural Violent Crime Reduction Initiative

Department of Justice Up to $2.6M Federally recognized tribal governments

Closes in 6 days
BJA FY 2026 Second Chance Act Community-based Reentry Program

Department of Justice Up to $1M Nonprofits eligible

Closes in 6 days
BJA FY 2026 Students, Teachers, and Officers Preventing (STOP) School Violence Program

Department of Justice Up to $2M Nonprofits eligible

Closes in 6 days
BJA FY26 Paul Coverdell Forensic Science Improvement - Formula Grants Program

Department of Justice Up to $23.8M State governments

Closes in 6 days
Cooperative Agreement for Affiliated Partner with the Southern Appalachian Cooperative Ecosystem Studies Unit (CESU)

Department of the Interior $1 to $330K Others (see eligibility details)

Closes in 6 days
F26AS00071 Cooperative Endangered Species Conservation Fund: Habitat Conservation Plan Land Acquisition Grants

Department of the Interior $10K to $26M State governments

Closes in 6 days
Fiscal Year 2027 State Workforce Agency Unemployment Insurance Resource Planning Targets and Guidelines

Department of Labor $1.9M to $457.7M Others (see eligibility details)

Closes in 6 days
GREGoRi Data Coordination and Outreach Center (U01, Clinical Trials Not Allowed)

Department of Health and Human Services Up to $1.3M Small businesses eligible

Closes in 6 days
GREGoRi Innovation Projects (U01 Clinical Trial Optional)

Department of Health and Human Services $3 to $500K Small businesses eligible

Closes in 6 days
GREGoRi Technology Integration Center (U01, Clinical Trials Optional)

Department of Health and Human Services Up to $2.3M Small businesses eligible

Closes in 6 days
HEAL Initiative: Whole Joint Health Program (R61/R33 Clinical Trial Required)

Department of Health and Human Services Small businesses eligible

Closes in 6 days
ONR FY27 NOFO for Young Investigator Program

Department of Defense Others (see eligibility details)

Closes in 6 days
Prioritization Process Pilot Program (PPPP) Competitive Grant Program

Department of Transportation $1 to $2M State governments

Closes in 6 days
State Recreational Boating Safety (RBS) Grant Program

Department of Homeland Security $400K to $12M State governments

Closes in 6 days
TechCred

Ohio Department of Development Up to $30K Small businesses eligible

Closes in 6 days

Saturday, October 31 9 deadlines

F25AS00332 Highlands Conservation Act – Competitive Funding Round

Department of the Interior $25K to $3.9M State governments

Closes in 7 days
F25AS00379 Highlands Conservation Act - Base Funding Round

Department of the Interior $25K to $2.3M State governments

Closes in 7 days
Galaxy Grant

Galaxy of Stars / Hidden Star (501(c)(3) nonprofit) Up to $2,500 Small businesses eligible

Closes in 7 days
Region 4 Small Business Transportation Technical Assistance Center (SBTTAC)

Department of Transportation Up to $250K Nonprofits eligible

Closes in 7 days
RESTORE Act Centers of Excellence Research Grants Program

Department of the Treasury $5.7M to $14.5M State governments

Closes in 7 days
RESTORE Act Direct Component - Non-Construction Activities

Department of the Treasury Up to $120.2M County governments

Closes in 7 days
RESTORE Act Direct Component – Construction and Real Property Acquisition Activities

Department of the Treasury Up to $120.2M State governments

Closes in 7 days
Small Business Transportation Technical Assistance Center (Region 1)

Department of Transportation Up to $377K Nonprofits eligible

Closes in 7 days
Small Business Transportation Technical Assistance Center (Region 3)

Department of Transportation Up to $231K Nonprofits eligible

Closes in 7 days