Ventura County • Measure O greenhouse-only • Post-Glass-House raid

Cannabis licensing in
Ventura County.

A restrictive unincorporated county built on Measure O (Nov 2020), which limits cultivation to pre-existing greenhouses that existed as of March 4, 2020. Retail is prohibited in the unincorporated area. The July 10, 2025 ICE raid on Glass House Camarillo reset the enforcement landscape for every licensed operator. Here’s the county pathway.

Where Ventura operators get tripped up

The four traps
nobody scopes alone.

Every figure below is sourced to a Ventura County document or 2025 reporting — see each card. These are the four regulatory surfaces we’re most often called in on, and what they cost when handled alone.

200+

Glass House Camarillo ICE raid

On July 10, 2025, federal agents raided Glass House Farms Camarillo — ~200 arrests, one farmworker fatality (Jaime Alanas Garcia, 57), and Glass House stock fell 12.6% below $1/share. I-9, H-2A, and federal-agency coordination is now table-stakes for every licensed cultivator in the county. (ABC7 · PCBT)

Mar 4 2020

Measure O greenhouse eligibility

Cultivation is permitted only in greenhouses and indoor structures existing and permitted as of March 4, 2020. Any new-build, post-date greenhouse — or a site where permits weren’t in place on the cutoff — is non-conforming. (Ventura County Cannabis Program)

1,700+

Simi Valley multi-site seizure

In February 2025, a Simi Valley / Damon St multi-site operation yielded 1,700+ plants, 45 lb processed, 26 firearms, 6 lb psilocybin, 300+ opiate pills, 4 arrests. Unlicensed activity near a licensed site is a full-county enforcement posture shift. (Shore News)

1,200 ft

Sensitive-use buffer + retail ban

Ventura County Code Ch. 5 enforces a 1,200-ft buffer from sensitive uses on licensed cultivation sites, and retail is prohibited in the unincorporated area. Retail applicants are city-by-city only — most cities prohibit, a handful (Ventura, Port Hueneme, Oxnard, Ojai) allow. (VC Cannabis Program)

This is the work we do: Ventura County Code Ch. 5 (Measure O) Cannabis Business License preparation through the CEO’s Office and Commercial Cannabis Activity Zoning Clearance through RMA Planning, Mar 4 2020 eligibility-date documentation, I-9 / H-2A / federal-agency coordination for licensed cultivators, 60-day completeness-review management, and 24-hour response on any federal, state, or county enforcement notice. Most of our Ventura work post-July 2025 is federal-coordination and audit-preparedness work.

The local pathway

Measure O greenhouse country,
post-raid.

Ventura County is the Measure O county. The unincorporated area permits a narrow slice of commercial cannabis cultivation under a voter-adopted framework that caps eligibility to the greenhouse footprint that existed on March 4, 2020; retail, delivery, manufacturing, and testing in the unincorporated county are prohibited. The notable feature is that hard eligibility-date boundary: Measure O does not open new cultivation — it permits conversion of existing greenhouse infrastructure (primarily the Camarillo, Oxnard plain, and Santa Clara River Valley floriculture corridor) into cannabis operation under a Cannabis Business License. Measure O was approved by voters on November 3, 2020 and took effect January 1, 2021 (Ventura County Cannabis Program).

The primary pathway is a dual-instrument authorization under Ventura County Code Ch. 5 (Cannabis Regulations): a Cannabis Business License issued by the CEO’s Office (60-day completeness review) plus a Commercial Cannabis Activity Zoning Clearance issued by the Resource Management Agency Planning Division (RMA Planning). Cultivation is capped at up to 500 acres of general cannabis and 100 acres of indoor nurseries countywide under Measure O, with a 1,200 ft buffer from sensitive uses. Glass House Farms Camarillo is the single largest licensed cultivator in the county.

The city layer is retail-only. Retail in Ventura County is city-by-city, concentrated on the coast: the City of Ventura operates a competitive capped retail program (Cannabis Retailer Rules & Regulations No. 1, effective March 1, 2025, governing conditional-permit extensions — city rule), Port Hueneme runs a near-full-stack retail + delivery program, Oxnard permits retail and delivery, and Ojai operates a tightly controlled retail program with local-ownership preferences. Thousand Oaks, Simi Valley, and Camarillo prohibit retail; delivery from outside cities is the only access point in those jurisdictions.

The July 10, 2025 federal raid on Glass House Camarillo (and a same-day action at Glass House Carpinteria in Santa Barbara County) reset enforcement expectations across the entire Central Coast. The action produced ~200 arrests, one farmworker death, and a 12.6% single-day stock drop for Glass House below $1/share (Cannabis Business Times). Protester prosecutions continue — two additional protesters were charged in October 2025 (PCBT). Unlicensed-market enforcement is also active: a Los Padres National Forest seizure in August 2025 yielded 2,500+ plants tied to CJNG cartel activity (Edhat). Licensed operators now plan for I-9, H-2A, federal-agency coordination, and county-sheriff joint response alongside standard DCC, CDTFA, and local tax work. For licensed cities see the grid below.

By the numbers

Ventura,
quantified.

Figures sourced from the Ventura County Cannabis Program, California Cannabis Ventura summary, and Pacific Coast Business Times coverage of the July 2025 federal raid. Counts shift — verify with the Cannabis Program Office before acting.

500 ac
Measure O cultivation cap
Up to 500 acres of general cannabis + 100 acres of indoor nursery countywide under Measure O (CA Cannabis).
Mar 4 2020
Greenhouse eligibility date
Cultivation permitted only in pre-existing greenhouses / indoor structures existing and permitted as of this date — hard cutoff.
1,200 ft
Sensitive-use buffer
Ventura County Code Ch. 5 buffer from sensitive uses on licensed cultivation sites.
60 days
Completeness review
Cannabis Business License completeness window at the CEO’s Office — clock the county runs on every submission (Cannabis Business License FAQ).
Program history

The long arc of
Ventura cannabis.

Seven inflection points that shaped the Measure O program — from the March 2020 eligibility cutoff through the July 2025 ICE raid on Glass House Camarillo and ongoing protester prosecutions.

Mar 4 2020

Greenhouse eligibility cutoff

Measure O fixes the “pre-existing greenhouse” eligibility date. Any greenhouse not existing and permitted by this date is non-conforming for Measure O licensing (VC Cannabis Program).

Nov 3 2020

Measure O approved

Ventura County voters approve Measure O, authorizing commercial cannabis cultivation only in pre-existing greenhouse infrastructure; retail prohibited in the unincorporated area.

Jan 1 2021

Measure O in effect

Ventura County Code Ch. 5 takes effect. Applications open for Cannabis Business License (CEO) + Commercial Cannabis Activity Zoning Clearance (RMA Planning).

Mar 1 2025

City of Ventura Rules No. 1

City of Ventura Cannabis Retailer Rules & Regulations No. 1 takes effect, governing conditional-permit extensions for the competitive-capped retail program.

Jul 10 2025

Federal raid on Glass House

Federal agents raid Glass House Camarillo and Carpinteria. ~200 arrests, one farmworker fatality, stock drops 12.6% below $1/share (ABC7).

Aug 2025

Los Padres NF cartel seizure

2,500+ plants seized from an illegal Los Padres National Forest grow site tied to CJNG cartel activity.

Oct 30 2025

Additional protester charges

Two more protesters charged in Glass House immigration raid — prosecutions continue.

Program composition

Cultivation only,
retail city-by-city.

Ventura County does not publish a consolidated Measure O active-license count — the primary source is the Ventura County Cannabis Program (cannabis@venturacounty.gov). The structural composition below is from Ch. 5 permitted activities and the city-by-city retail picture. Cross-reference with the DCC Unified License Search.

Widths are qualitative structure, not published proportions. Measure O license counts not publicly published — query the DCC Unified License Search filtered to Ventura for exact type-by-type counts.

Cities in Ventura County

Where cannabis is
allowed locally.

Every Ventura County city sets its own cannabis ordinance. These are the active programs — click through for each city’s local pathway, zoning map, and tax rates.

All cannabis-permitting cities in Ventura County

Permit pipeline

The Ventura pipeline,
in four numbers.

Ventura County does not publish a median-days-to-issuance or first-pass completeness rate for Measure O licensing. These are the Ch. 5 constants operators plan around — from VC Cannabis Program and Cannabis Business License FAQ.

500 ac
General cultivation cap
Measure O countywide cap on general cannabis cultivation in the unincorporated area.
100 ac
Indoor-nursery cap
Separate Measure O sub-cap for indoor nursery canopy.
2
Required instruments
Cannabis Business License (CEO) + Commercial Cannabis Activity Zoning Clearance (RMA Planning). Both required — either alone is incomplete.
60 days
Completeness review
Window the CEO’s Office runs on Cannabis Business License completeness review.
How Ventura stacks up

Ventura vs
the rest of California.

Ventura Statewide (CA)
Sensitive-use buffer
1,200 ft600 ft (state baseline)
Unincorporated retail
ProhibitedVaries — many counties allow
New cultivation build eligibility
None (Mar 4 2020 cutoff)Generally open
Cultivation cap (county)
500 + 100 ac (Measure O)No statewide cap

Sources: VC Cannabis Program, CA Cannabis Ventura, Ventura County Code Ch. 5. Sensitive-use buffer comparison: state baseline is 600 ft from K-12 schools; Ventura’s Ch. 5 1,200 ft applies to a broader set of sensitive uses.

Named in Ventura

The operators defining
Measure O cannabis.

A non-exhaustive list of Ventura-based operators anchoring the greenhouse-conversion footprint and the city-level retail stack.

Largest licensed cultivator

Glass House Farms (Camarillo)

Single largest licensed cannabis cultivator in Ventura County — target of the July 10, 2025 federal raid (Cannabis Business Times). Publicly traded (Cdn exchange).

City of Ventura retail

Embarc Ventura

Retail operator under the City of Ventura competitive-capped program — governed by Cannabis Retailer Rules & Regulations No. 1 (effective March 1, 2025).

Port Hueneme retail

From the Earth (FTE)

Port Hueneme retail storefront — anchor of the city’s near-full-stack retail program that pulls customers from western Ventura and eastern Santa Barbara.

Oxnard / Port Hueneme

Safe Port Collective

Oxnard and Port Hueneme retail operator — part of the coastal-corridor retail cluster between Ventura and Santa Barbara County.

Ready when you are

Ventura regulatory work,
handled start to finish.

From Ch. 5 Cannabis Business License through DCC issuance, through Mar 4 2020 eligibility-date documentation, to 24-hour response on any federal, state, or county enforcement action — your Ventura regulatory lift runs through one named team.

Get started today No fee, no obligation. You leave with a named next step either way.
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