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Signorello Estate

4500 Silverado Trail, Napa, CA 94558

LIKELY ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Wineries312130

Where it is

38.37089, -122.29625 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Black Stallion WineryNapaWineries
312130
LIKELY ACTIVE1.2 KM
Chimney Rock WineryNapaWineries
312130
ACTIVE1.8 KM
Lc Wine INC. Dba Lewis CellarsNapaWineries
312130
ACTIVE2.4 KM
Laird Family EstateNapaWineries
312130
UNVERIFIED2.7 KM
Krupp Brothers WineryNapaWineries
312130
LIKELY ACTIVE3.2 KM

Every listed plant in Napa County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in NPDES, RCRAINFO · EPA site type STATIONARY.

  • TTB permit listOPERATING
    first seen AUG 2026 · last seen AUG 2026
  • EPA Facility Registry ServiceEXISTENCE
    Record 110070095544 · first seen AUG 2017 · last seen AUG 2017

IN NAPA COUNTY889 other plants share this one’s industry (Beverage Manufacturing, NAICS 3121); 93 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name
EPA: SIGNORELLO ESTATE · OCT 2026
Street address
EPA: 4500 SILVERADO TRAIL · OCT 2026
City
EPA: NAPA · OCT 2026
State
EPA: CA · OCT 2026
County (FIPS code)
EPA: 06055 · OCT 2026
Coordinates
EPA: 38.370886,-122.296248 · OCT 2026
Hazardous waste generator (RCRA)
EPA ECHO: none · OCT 2026

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