S.V. Greso

Serving the Pacific Northwest
- Since 1986 -

Steven Vincent Greso has over 35 years experience in septic systems design, installation as well as system monitoring and pumping.

​We provide emergency service and can diagnose all septic alarms - contact us any time.

We do septic system certifications for real estate transactions including special point of sale inspections required by King County Health Dept. We have a properly licensed OSM maintainer who does our inspections...we are thourough but reasonable.

Systems designed, installed or monitored by us includes: gravity, pressure distribution, Mounds, sand filters, Glendon Biofilters, aerobic treatment units, Packed bed filters, Orenco Advantex AX20, subsurface drip, Eljen, and Bio Barrier.

​Land use consulting and permitting.
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Steven V. Greso
President

PO Box 1323
Snohomish, WA 98291

(360) 563-0710

(425) 788-9345
​(800) 243-9975

​Email
Environmental stewardship for over 30 years.
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