San Marcos Household Hazardous Waste Facility
Permanent drop-off A household hazardous waste drop-off site run by City of San Marcos in San Marcos, Hays County, Texas.
- Address
- 634 E. Hopkins, San Marcos, TX 78666
- Hours
- Fri 12:00-3:30 pm; Sat 8:00 am-12:00 pm
- Who can use it
- San Marcos and Hays County residents only
- Cost
- Not listed by the source
- Appointment
- Not required
- Phone
- 512-393-8412
Call ahead. Hours, limits and accepted items change, and sites close for weather and holidays. Confirm with City of San Marcos at 512-393-8412 before you load the car.
What you can bring
The source does not list accepted items for this program. Call before you go.
What they won’t take
The source does not list excluded items.
Limits
Quantity limits300 lbs per vehicle per day (about thirty 1-gallon paint cans)
Rules and residency
Who can use itSan Marcos and Hays County residents only
Nearby alternatives
Distances are straight-line from this site. Most programs only serve their own residents: check “who can use it” first.
- Permanent drop-off · 25 mi away · 2514 Business Center Dr, Austin, TX 78744Who can use it: Free for Austin and Travis County residents; fees apply to non-residents. Businesses not eligible for HHW.
- Permanent drop-off · 35 mi away · 3207 Neidhardt Drive, Austin, TX 78734Who can use it: Registered appointment plus driver license or utility bill in the boundaries of the City of Lakeway, City of Bee Cave, The Hills, Hurst Creek MUD, Lakeway MUD or Travis…
- Permanent drop-off · 40 mi away · 1800 Wurzbach Parkway, San Antonio, TX 78216Who can use it: San Antonio residents: CPS Energy bill showing the environmental fee plus photo ID
- Permanent drop-off · 45 mi away · 310 Deepwood Dr., Round Rock, TX 78664Who can use it: Valid driver's license plus a recent City of Round Rock water bill or an HHW voucher
- Permanent drop-off · 47 mi away · 109 Taylor St, Smithville, TX 78957Who can use it: Residents of Bastrop County, Lee County, City of Smithville and City of Bastrop; voucher required (address verified by utility bill or driver license)
- Collection event · 47 mi away · 109 Taylor St, Smithville, TX 78957 · Date: Sat, Feb 27, 2027Who can use it: Residents of Bastrop County, Lee County, City of Smithville and City of Bastrop; voucher required (address verified by utility bill or driver license)
FAQ
Who can use San Marcos Household Hazardous Waste Facility?
San Marcos and Hays County residents only
Is it free?
The official source does not list fees. Call 512-393-8412 to confirm.
Do I need an appointment?
No appointment is required, according to the official page.
Can I bring old paint?
Limit: 300 lbs per vehicle per day (about thirty 1-gallon paint cans).
Last checked Sun, Oct 18, 2026, checked against the program’s own official page. Sources:
- www.sanmarcostx.gov/352/Household-Hazardous-Waste-Facility
- www.tceq.texas.gov/downloads/p2/household-hazardous-waste/hhw_contacts.pdf