# Does San Mateo County Give Free Sandbags? | Who Pays the Repair?

> Unincorporated San Mateo County residents get up to 15 free pre-made sandbags per winter, plus loose sand and empty bags 24/7 to fill on their own.

**Who pays:** shared

In unincorporated San Mateo County, residents get up to 15 pre-made sandbags free each winter, plus loose sand and empty bags 24/7 to fill as many as they need.

**Boundary:** County residents in unincorporated areas may pick up pre-made sandbags free of charge, limited to 15 per winter season. The County also provides loose sand and empty bags 24/7 so people can fill as many bags as they need on their own. Pre-made sandbags are not available to industrial or commercial businesses. Where a reservation is needed, it is limited to one per unincorporated residential address, and a government-issued ID matching the reserved address is required at pickup.

**Exceptions:** Pre-made sandbags are not available to industrial or commercial businesses.; Pre-made sandbags are for residents of unincorporated areas.

## Sources
- [Sandbags | County of San Mateo, CA](https://www.smcgov.org/publicworks/sandbags) — "County residents in unincorporated areas may pick up pre-made sandbags (limit 15 per winter season) free of charge at the locations below." (accessed 2026-10-30)
- [Sandbags | County of San Mateo, CA](https://www.smcgov.org/publicworks/sandbags) — "In addition to pre-made sandbags, the County provides materials (loose sand and sandbags) on a 24/7 basis for individuals to fill as many bags as they need on their own." (accessed 2026-10-30)
- [Sandbags | County of San Mateo, CA](https://www.smcgov.org/publicworks/sandbags) — "PRE-MADE SANDBAGS ARE NOT AVAILABLE TO INDUSTRIAL OR COMMERCIAL BUSINESSES." (accessed 2026-10-30)
- [Sandbags | County of San Mateo, CA](https://www.smcgov.org/publicworks/sandbags) — "Limited to only one reservation per unincorporated residential address." (accessed 2026-10-30)
- [Sandbags | County of San Mateo, CA](https://www.smcgov.org/publicworks/sandbags) — "Government-issued identification that matches the address provided in the reservation page will be required during pickup." (accessed 2026-10-30)

_Last verified 2026-10-30. Source: Who Pays the Repair? — https://whopaystherepair.com/rules/san-mateo-county-ca-free-sandbags/ — every claim checked against a primary source before publication (see /methodology/)._