San Marcos Household Hazardous Waste Drop-Off
San Marcos Household Hazardous Waste Drop-Off is at 634 E Hopkins St, San Marcos, TX 78666. Hours: Friday noon–3:30 p.m.; Saturday 8 a.m.–noon. It accepts paint and thinners (max six 5-gal buckets); automotive fluids and oil filters (12 quarts max of oil, fuel or antifreeze); car and household batteries (3 car batteries max); cleaning products, glues, solvents, wood finishes, nail polish; lawn, pool, pesticide and herbicide chemicals; fluorescent lights, mercury thermometers, smoke detectors; 1-lb propane/mapp/butane cylinders; fire extinguishers (2 max); cooking oil; medical sharps in a proper container. Who can use it: San Marcos and Hays County residents only; household waste only (no businesses). Source: City of San Marcos – HHW Drop-Off (https://sanmarcostx.gov/3602/Household-Hazardous-Waste-HHW-Drop-Off), verified 2026-10-28.
📍 Directions (Google Maps)Facts
- Address
- 634 E Hopkins St
San Marcos, TX 78666 - County
- Hays County
- Operator
- City of San Marcos Resource Recovery
- Type
- Hazardous waste, paint & chemicals
- Hours
- Friday noon–3:30 p.m.; Saturday 8 a.m.–noon
- Who can use it
- San Marcos and Hays County residents only; household waste only (no businesses)
- Phone
- 512-393-8412
- Last verified
What it accepts
- Paint and thinners (max six 5-gal buckets)
- Automotive fluids and oil filters (12 quarts max of oil, fuel or antifreeze)
- Car and household batteries (3 car batteries max)
- Cleaning products, glues, solvents, wood finishes, nail polish
- Lawn, pool, pesticide and herbicide chemicals
- Fluorescent lights, mercury thermometers, smoke detectors
- 1-lb propane/MAPP/butane cylinders; fire extinguishers (2 max)
- Cooking oil; medical sharps in a proper container
Not accepted
Ammunition, pharmaceuticals (both taken at San Marcos Police Dept.), appliances, electronics, TVs, cell phones, tires, commercial waste, containers over 5 gallons, dried paint, compressed gas over 1 lb, helium tanks, explosives, radioactive or medical waste.
Rules & fees
- 300 lb limit per vehicle per day.
- Across from H-E-B.
Nearby sites
- Hays County Citizens Collection – Wimberley — Wimberley, 13.3 mi
- 130 Environmental Park (130EP) Landfill — Lockhart, 16.2 mi
- Texas Disposal Systems (TDS) Landfill — Creedmoor, 18.2 mi
- Hays County Citizens Collection – Driftwood — Driftwood, 19.5 mi
See also: all Austin area sites · sites in San Marcos
Map location: Census Geocoder (exact match).