DSP-PLANT · San Miguel, California
Castoro Cellars
Federal alcohol Basic Permit on file with the TTB.
- DSP-PLANT
- TTB plate
- Active
- Status
- DENSE-BOOK
- California book
- PAIR-CITY
- San Miguel crowd
The record
Castoro Cellars holds an active federal Distillery Basic Permit (CA-S-15031), with premises in San Miguel, California.
- CA-S-15031
- federal permit number
- DSP-PLANT
- TTB class plate
- DENSE-BOOK
- California distillery book
- PAIR-CITY
- distilleries crowd in San Miguel
Source: TTB FOIA List of Permittees, September 2026.
- DSP-PLANT
- DENSE-BOOK
- PAIR-CITY
- STATE-#1
Not legal advice · see methodology.
Permit & location
| Permit class | Distillery |
|---|---|
| Status | Active |
| Federal permit no. | CA-S-15031 |
| City | San Miguel |
| County | San Luis Obispo |
| ZIP code | 93451 |
| State | California |
| Federal regulator | Alcohol and Tobacco Tax and Trade Bureau (TTB) |
How Castoro Cellars fits in California
572
distillery permits in California · DENSE-BOOK
#1
of 52 states for distilleries
21,002
all permits in California · MEGA-BOOK
California holds 572 Distilled Spirits Plant permits (5,670 nationwide — the smallest production class). Castoro Cellars in San Miguel operates under DSP bond rules covering excise on proof gallons removed; 2 DSP/peer-class rows share San Miguel.
California's distillery book vs every state
Where California's 572 active distilleries rank among all states, the cohort Castoro Cellars belongs to
572 1st of 52 the highest of 52 states
States, banded by distillery permit count
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source TTB FOIA List of Permittees, aggregated by state · September 2026
Read with Castoro Cellars
ABS(distillery_count) peers first (same permit class, other states), then a LARGEST-distance pole and a class-branched guide, not a fixed Related strip.
Clover Pond Vineyard · New York →
DSP-PLANT · STEADY-BOOK
ABS(distillery_count) peer: New York 347 distilleries (Δ 225 lighter vs California).
The Distillery at Luckenbach Road · Texas →
DSP-PLANT · STEADY-BOOK
ABS(distillery_count) peer: Texas 332 distilleries (Δ 240 lighter vs California).
KBR Winery · Pennsylvania →
DSP-PLANT · STEADY-BOOK
ABS(distillery_count) peer: Pennsylvania 327 distilleries (Δ 245 lighter vs California).
Big Dog Beverages LLC · North Dakota →
DSP-PLANT · TRACE-BOOK · POLE
LARGEST-distance ABS(distillery_count) pole: North Dakota holds 5 distilleries (Δ 567 vs California's DENSE-BOOK).
California permit board · DENSE-BOOK →
DSP-PLANT · DENSE-BOOK
Castoro Cellars sits in California's DENSE-BOOK distillery book (572 active) - open the state board after the ABS peers.
Craft distillery growth · DSP-PLANT →
DSP-PLANT · PAIR-CITY
Castoro Cellars's DSP-PLANT plate is a DSP record, growth patterns differ sharply from winery and importer books.
Other distilleries near San Miguel
All permit holders in San Miguel →Nationwide distilleries in similarly dense permit cities
Nationwide distilleries outside California with comparable city books — Castoro Cellars's distillery plate is compared on permit-holder density, not production volume.
Similar city permit density
Nearest cross-state distilleries by city permit-holder count (64 holders in San Miguel).
Similar city distillery count
Nearest cross-state distilleries by city distillery count (2 here).
Frequently asked questions
What permit does Castoro Cellars hold?
Castoro Cellars holds an active federal Distillery Basic Permit issued by the U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB), permit number CA-S-15031. Distilled Spirits Plant permits cover spirits production, bottling, and bonded warehousing (5,670 nationwide).
Where is Castoro Cellars located?
Castoro Cellars's permit premises is in San Miguel, California (San Luis Obispo County), ZIP 93451. California holds 572 distillery permits - the 1st most of any state.
How should I verify Castoro Cellars's permit?
Cross-check permit number CA-S-15031 against the TTB Public Permit Search and confirm the distillery class matches your use case. This page reflects the September 2026 FOIA List of Permittees extract; status can change between vintages.
Reading a dense book distillery plate
Castoro Cellars's DSP-PLANT plate sits in California's DENSE-BOOK distillery book (572 active, state #1 nationally). A DSP permit covers spirits production, bottling, and bonded warehousing under excise bond; it is not a retail license and does not by itself authorize bar or package sales.