Leonardini Family Winery LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
SWSpottswoode Winery	Saint Helena	Wineries 312130	◐ LIKELY ACTIVE	0.8 KM
CKCharles Krug Winery	Saint Helena	Wineries 312130	◐ LIKELY ACTIVE	1.5 KM
DODowdell Office	Saint Helena	Wineries 312130	◐ LIKELY ACTIVE	1.6 KM
DODowdell Office	St. Helena	Wineries 312130	◐ LIKELY ACTIVE	1.6 KM
Duckhorn Wine Company	Saint Helena	Wineries 312130	● ACTIVE	1.6 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 6 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, OSHA-OIS.

• TTB permit listOPERATING
  first seen AUG 2026 · last seen AUG 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110070293967 · first seen SEP 2018 · last seen SEP 2018

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: LEONARDINI FAMILY WINERY LLC · NOV 2026

Street address

EPA: 1563 ST. HELENA HIGHWAY SOUTH · NOV 2026

City

EPA: SAINT HELENA · NOV 2026

State

EPA: CA · NOV 2026

County (FIPS code)

EPA: 06055 · NOV 2026

Coordinates

EPA: 38.50681,-122.47317 · NOV 2026