Small Business Grants in California
As of October 25, 2026, FundingLandscape lists 30+ small business grants in California as open, refreshed daily from the live corpus. Of the 11 with a fixed deadline, 3 close within the next 14 days and 5 close within 30 days. Among the 13 that publish an award ceiling, the median is $2M. Where eligibility is stated (26 of 30), the most common applicants are nonprofits, for-profit businesses, and small businesses.
Updated daily. Listings past their deadline are removed; confirm details on the funder page.
Each listing opens a detail page with a link to its official source.
Open Small Business Opportunities in California
- 2026 California Nutrition Incentive Program
CA Department of Food and Agriculture · Deadline: Nov 3, 2026 · Up to $12,500,000
- 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
- Limited Competition: NIH Research Evaluation and Commercialization Hubs (REACH) (SB0 Clinical Trial Optional)
National Institutes of Health · Deadline: Nov 10, 2026
- 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
- 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
- Proposition 4 – Water Recycling
State Water Resources Control Board · Deadline: Jun 30, 2030 · Up to $15,000,000
- Small Business Growth
Wells Fargo
- Financial Health
Wells Fargo
- About NSF SBIR/STTR – Startup Funding | NSF SBIR
National Science Foundation · Up to $2,000,000
- Sustainability
Wells Fargo
- Housing Affordability
Wells Fargo
- Replacing, Removing, or Upgrading Underground Storage Tanks Grant
State Water Resources Control Board · Up to $70,000
- NASA SBIR/STTR FY 2026-2027 Broad Agency Announcement (BAA)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
- Advanced Manufacturing — NSF Seed Fund
National Science Foundation · Up to $2,000,000
- Draper Richards Kaplan Foundation Grants
Draper Richards Kaplan Foundation · Up to $300,000
- Department of Education Small Business Innovation Research (SBIR) Phase IA 2026: Pre-Solicitation
EDUCATION, DEPARTMENT OF
- Department of Education Small Business Innovation Research (SBIR) Phase IB 2026: Pre-Solicitation
EDUCATION, DEPARTMENT OF
- Small Grants Program
Sacramento-San Joaquin Delta Conservancy
- Artificial Intelligence — NSF Seed Fund
National Science Foundation · Up to $2,000,000
- Proposition 68 – Water Recycling
State Water Resources Control Board · Up to $3,000,000
- Proposition 1 – Water Recycling
State Water Resources Control Board · Up to $4,602,466
- Orphan Site Cleanup Fund
State Water Resources Control Board · Up to $1,000,000
- 2026-27 SY Express Classroom Grant Program
Park City Education Foundation
- Small and Rural Hospital Relief Program
Department of Health Care Access and Information
- Clean Water State Revolving Fund (CWSRF) Program
State Water Resources Control Board
Showing 30 live opportunities. See all in search →