2801 N. Madera Road, Simi Valley, CA 93065
| Type | Landfill |
|---|---|
| Address | 2801 N. Madera Road, Simi Valley, CA 93065 |
| County | Ventura County |
| Website | www.wmsolutions.com/locations/details/id/194 |
| Last checked | Oct 21, 2026 |
| Mon | 7:00 AM – 4:00 PM |
|---|---|
| Tue | 7:00 AM – 4:00 PM |
| Wed | 7:00 AM – 4:00 PM |
| Thu | 7:00 AM – 4:00 PM |
| Fri | 7:00 AM – 4:00 PM |
| Sat | 7:00 AM – 4:00 PM |
Holiday hours vary. Gates often close to new loads 15–30 minutes before posted closing.
| Accepted materials | asbestos-non-friable, auto shredder fluff, biosolids, construction & demolition debris, municipal solid waste, clean soils, contaminated soils (non-haz), yard waste/green waste |
|---|
Fees have not been confirmed yet. Check the operator's website before you go.
Nearby with confirmed hours or fees: Toland Road Sanitary Landfill , Bradley East Processing/Transfer Station , Crown Recycling Services .
| Ownership | Private |
|---|---|
| Owner | WM |
| Operator | WM |
| Operational status | Open |
| Permitted activities | Large Volume CDI Debris Processing Facility, Solid Waste Landfill |
| Waste types accepted (per permit) | MSW |
| Landfill class | III |
| Year opened | 1970 |
| Planned closure year | 2062 |
| Composting on site | Yes |
Figures and identifiers as published in the EPA and state permit registries cited below.
| Cease-operation date | 2056-11-01 |
|---|---|
| Cease-operation date type | Estimated |
| Total acres | 887 |
| Disposal acres | 368 |
| Current area (acres) | 143.7 |
| Design area (acres) | 371 |
| Design capacity (tons) | 138,635,608 |
| Maximum permitted capacity | 119,600,000 Cubic Yards |
| Remaining capacity | 72,000,000 Cubic Yards |
| Remaining capacity as of | 2025-09-30 |
| Waste in place (tons) | 37,145,906 |
| Waste-in-place year | 2022 |
| Annual waste accepted (tons) | 2,016,416 |
| Annual waste figure year | 2022 |
| Maximum permitted throughput | 64,750 Tons per week |
| Landfill gas collection system | Yes |
| Landfill gas energy project | No |
| EPA GHGRP ID | 1007816 |
| EPA LMOP landfill ID | 279 |
| CalRecycle SWIS number | 56-AA-0007 |
| Permit status | Permitted |
| Enforcement agency | County of Ventura |
| Local government | Simi Valley |
Hours changed, fees went up, gate moved? Tell us and we will check it. Own or manage Simi Valley Landfill? Use the same form to claim it.
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Sources: epa.gov (facility record, facility facts and permit and registry IDs; fetched Oct 21, 2026) ; calrecycle.ca.gov (facility record, facility facts and permit and registry IDs; fetched Oct 21, 2026) ; wmsolutions.com (hours, website and accepted materials; fetched Oct 21, 2026) . Registry figures are as of Oct 21, 2026. Facility details were last checked on Oct 21, 2026.