Illustrative photo5 seed libraries are listed in San Mateo County, California. 4 of them list at least one borrowing rule, such as whether you need a library card.
4 of the 5 listings are shown below so far; the others are added in stages.
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Hosted by San Mateo Public Library
Where to find it: “Seed cabinet on Main Library 2nd floor; seasonal mini-libraries at Marina and Hillsdale branches”
How much: “1 packet per seed type, 5 total per household per visit (Main); 3 per visit at mini libraries”
Season: “Main year-round; Marina and Hillsdale seasonal”
Hosted by San Mateo County Libraries
Where to find it: “Atherton Library and Woodside Library (San Mateo County Libraries)”
How much: “Varies by branch”
Not listed: Reserve online · Browsing · Season
Hosted by San Mateo County Libraries
Where to find it: “Atherton Library and Woodside Library (San Mateo County Libraries)”
How much: “Varies by branch”
Not listed: Reserve online · Browsing · Season
The listings below have no borrowing rules listed yet, so they have no page of their own.
Hosted by San Mateo County Libraries
Distances are straight-line, not driving or walking routes. Listings without a map position are shown last.
Counted from the 5 listings in San Mateo County, California; 4 (80%) state at least one rule. Many don't say - we count only what is listed.
Nearby counties: Santa Clara County, California
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Listings updated November 2026