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OtherUnder review101 North El Camino Real, San Mateo, CA
Horizon Treatment Services Facility
San Mateo
Description
A proposed 69-bed combined sobering, detox and residential treatment campus. No application has been filed with the city yet; under AB 531 review would be ministerial once filed.
Impact summary
Residents are worried about traffic, drop-offs, school proximity and safety; the council pressed for a traffic study and better coordination with police and fire, but the city has limited regulatory power.
Applicant
- Name
- Horizon Treatment Services
- Address
- 101 North El Camino Real, San Mateo, CA
At a glance
- Hearings
- 1
- Public comments
- 0
- Total mentions
- 1
Last discussed Apr 15, 2026.
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