Small Business Grants in California
As of September 10, 2026, FundingLandscape tracks 30+ open small business grants in California you can apply for today, refreshed daily from the live corpus. Of the 15 with a fixed deadline, 2 close within the next 14 days and 2 close within 30 days. Among the 10 that publish an award ceiling, the median is $750K. Where eligibility is stated (20 of 30), the most common applicants are nonprofits, small businesses, and state & local governments.
Updated daily with open opportunities you can apply to now.
All listings verified open and accepting applications
Open Small Business Opportunities in California
- SBA WBC Modernization Initiative FY26 - Georgia
Small Business Administration · Deadline: Sep 13, 2026
- SBIR DME26BZ05-NV001 (Defense Microelectronics Activity): Additive Manufacturing for Flexible Electronics
U.S. Department of Defense — Defense Microelectronics Activity · Deadline: Sep 23, 2026
- Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs : A Pilot Emphasis on Scientific Instrumentation.
National Science Foundation · Deadline: Nov 4, 2026
- Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs SBIR/STTR: Developing Deep Technologies that Advance U.S. Competitiveness and Security
National Science Foundation · Deadline: Nov 4, 2026 · Up to $2,000,000
- Inspire Grants for Small Museums (2027)
Institute of Museum and Library Services · Deadline: Nov 13, 2026 · Up to $75,000
- NIH, CDC and FDA Small Business Innovation Research Grant (Parent SBIR [R43/R44] Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2027
- NIH Small Business Technology Transfer Grant (Parent STTR [R41/R42] Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2027
- Innovation Grants to Nurture Initial Translational Efforts (IGNITE): Neurotherapeutic Agent Characterization and In vivo Efficacy Studies (R61/R33 Clinical Trial Not Allowed)
National Institutes of Health · Deadline: Oct 20, 2027
- Reissue of RFA-FD-22-001 - Efficient and Innovative Natural History Studies Addressing Unmet Needs in Rare Diseases (R01 Clinical Trials Optional)
Food and Drug Administration · Deadline: Feb 8, 2028 · Up to $600,000
- Reissue of RFA-FD-23-001- Clinical Studies of Orphan Products Addressing Unmet Needs of Rare Diseases (R01 Clinical Trials Required)
Food and Drug Administration · Deadline: May 16, 2028 · Up to $900,000
- Limited Competition: Small Grant Program for NHLBI K01/K08/K23/K25 Recipients (R03 Clinical Trial Optional)
National Institutes of Health · Deadline: Nov 7, 2028 · Up to $85,000
- NIH Small Business Innovation Research (SBIR) Phase IIB Strategic Breakthrough Award (Parent [R44] Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2029
- SBIR/STTR Commercialization Readiness Pilot (CRP) Program (Parent SB1 Clinical Trial Optional)
National Institutes of Health · Deadline: Apr 5, 2029
- Limited Competition: Small Grant Program for Mentored Research Career Development Award Recipients (R03) (Clinical Trials Not Allowed)
National Institutes of Health · Deadline: Jul 16, 2029
- RFA-OT-18-000
Centers for Disease Control and Prevention - ERA · Deadline: Sep 30, 2030
- Small Business Growth
Wells Fargo
- Artificial Intelligence Grant – Apply Today | NSF SBIR
National Science Foundation · Up to $2,000,000
- Advanced Manufacturing Grant – Apply Today
National Science Foundation · Up to $2,000,000
- About NSF SBIR/STTR – Startup Funding | NSF SBIR
National Science Foundation · Up to $2,000,000
- Financial Health
Wells Fargo
- Sustainability
Wells Fargo
- Housing Affordability
Wells Fargo
- Clean Water State Revolving Fund (CWSRF) Program
State Water Resources Control Board
- 2026-27 SY Express Classroom Grant Program
Park City Education Foundation
- Small and Rural Hospital Relief Program
Department of Health Care Access and Information
- Draper Richards Kaplan Foundation Grants
Draper Richards Kaplan Foundation · Up to $300,000
- Individual Fellowships | Grants & Funding
National Institutes of Health (NIH)
- Disaster Recovery Fund
Cooperative Development Foundation
- READY Grants to Grow
Appalachian Regional Commission
- Beet Curly Top Virus Control Program Grants
CA Department of Food and Agriculture · Up to $190,000
Showing 30 live opportunities. See all in search →