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Prop 4 – Nature-Based Solutions (NBS)

San Diego River Conservancy

open
Rolling / OpenLast verified: 2026-07-01

About This Grant

Multi-benefit projects that advance a number of goals, including but not limited to: • Conserving land • Protecting resources • Reducing flood and fire risk • Improving water quality • Protecting and enhancing wildlife habitats and corridors • Completing the San Diego River Trail • Providing public access for the enjoyment of the San Diego River Park and open space, trails, campgrounds and park facilities • Removing invasive plant species from the watershed • Increasing native habitat and promoting the re-establishment of native species • Promoting cultural and tribal preservation, and historical interpretation of the San Diego River and its people

Grant Summary

Prop 4 – Nature-Based Solutions (NBS) is a San Diego River Conservancy grant providing up to $8M for nonprofit, municipality, school district. Applications are accepted on a rolling basis. Check eligibility and apply with FindGrants.

Focus Areas

disadvantaged communities; environment & water; parks & recreation

Eligibility

nonprofitmunicipalityschool districttribal government

How to Apply

Funding Range

Up to $8M

Deadline

Rolling / Open

Complexity
Medium
  1. 1Confirm your organization is eligible for Prop 4 – Nature-Based Solutions (NBS) from San Diego River Conservancy, checking organization type, location, and any population or project requirements.
  2. 2Gather the required documents and information, including your organization details, project plan, and budget figures.
  3. 3Draft your application narrative and budget addressing the funder's priorities and review criteria. FindGrants can draft each section for you to review and edit.
  4. 4Review every section against the requirements checklist, then export a submission-ready application pack and submit it to San Diego River Conservancy before the deadline.
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Prop 4 – Nature-Based Solutions (NBS): Frequently Asked Questions

Who is eligible for the Prop 4 – Nature-Based Solutions (NBS)?

Prop 4 – Nature-Based Solutions (NBS) is offered by San Diego River Conservancy and is generally open to nonprofit, municipality, school district, tribal government. It is available in CA. Review the specific eligibility terms before applying, since funders set their own requirements around organization type, location, and the population or project being served.

How much funding does the Prop 4 – Nature-Based Solutions (NBS) provide?

Prop 4 – Nature-Based Solutions (NBS) provides up to $8M per award from San Diego River Conservancy. Actual award sizes depend on the scope of your project, available program funds, and the number of applicants, so build a budget that reflects realistic, allowable costs rather than the maximum figure.

When is the Prop 4 – Nature-Based Solutions (NBS) deadline?

Prop 4 – Nature-Based Solutions (NBS) accepts applications on a rolling or ongoing basis, so there is no single fixed deadline. Confirm current timing with the funder, San Diego River Conservancy, before you apply, and submit as early as possible because rolling programs can close once funds are committed.

How do you apply for the Prop 4 – Nature-Based Solutions (NBS)?

To apply for Prop 4 – Nature-Based Solutions (NBS), confirm your eligibility, gather the required documents, and prepare a narrative and budget that address the funder's priorities. FindGrants guides you step by step and can draft each section, then exports a submission-ready application pack for this grant from San Diego River Conservancy.