DSP-PLANT · Napa, California

Altr Fltr INC.

Doing business as Altr Fltr. Federal alcohol Basic Permit on file with the TTB.

DSP-PLANT
TTB plate
Active
Status
DENSE-BOOK
California book
BUSY-CITY
Napa crowd

The record

Altr Fltr INC. holds an active federal Distillery Basic Permit (CA-S-20575), with premises in Napa, California.

CA-S-20575
federal permit number
DSP-PLANT
TTB class plate
DENSE-BOOK
California distillery book
BUSY-CITY
distilleries crowd in Napa

Source: TTB FOIA List of Permittees, September 2026.

  • DSP-PLANT
  • DENSE-BOOK
  • BUSY-CITY
  • STATE-#1

Not legal advice · see methodology.

Permit & location

Permit classDistillery
StatusActive
Federal permit no.CA-S-20575
Operating name (DBA)Altr Fltr
CityNapa
ZIP code94558
StateCalifornia
Federal regulatorAlcohol and Tobacco Tax and Trade Bureau (TTB)

How Altr Fltr INC. 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). Altr Fltr INC. in Napa operates under DSP bond rules covering excise on proof gallons removed; 24 DSP/peer-class rows share Napa.

California's distillery book vs every state

Where California's 572 active distilleries rank among all states, the cohort Altr Fltr INC. 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 Altr Fltr INC.

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.

Nationwide distilleries in similarly dense permit cities

Nationwide distilleries outside California with comparable city books — Altr Fltr INC.'s distillery plate is compared on permit-holder density, not production volume.

Frequently asked questions

What permit does Altr Fltr INC. hold?

Altr Fltr INC. holds an active federal Distillery Basic Permit issued by the U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB), permit number CA-S-20575. Distilled Spirits Plant permits cover spirits production, bottling, and bonded warehousing (5,670 nationwide).

Where is Altr Fltr INC. located?

Altr Fltr INC.'s permit premises is in Napa, California, ZIP 94558. California holds 572 distillery permits - the 1st most of any state.

How should I verify Altr Fltr INC.'s permit?

Cross-check permit number CA-S-20575 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

Altr Fltr INC.'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.