# Bullmastiff Brewing Company — Penn Valley, California

> Bullmastiff Brewing Company in Penn Valley, California, United States scores 3.82 out of 5 — Fine, #376 in California. 62 beers tracked, mostly IPA.

*Canonical page: <https://finding.beer/brewery/bullmastiff-brewing-company-23377/> · data updated 2026-09-06*

Breadcrumb: Breweries → United States → California → Bullmastiff Brewing Company

Bullmastiff Brewing Company is a brewery in Penn Valley, California, United States. We grade it Fine, with a score of 3.82 out of 5 on the beer it brews — #376 in California. Of the 62 beers we track, 43% are IPA and 14% Pale Lager.

## Rating

- Score: 3.82 out of 5
- Grade: Fine 🙂 — Make genuinely good beer, if not the pint you will still be talking about next year.
- Ranked: #376 in California · #4,002 in United States · #5,627 worldwide
- Popularity: Barely rated
- Beers tracked: 62

## About

Bullmastiff Brewing Company produce's decent quality beer and has a decent variety of ones to choose from. They are most well known for "Mac Unleashed", which is a New England IPA and "Dog Gone Wild", which is an Imperial New England IPA. Their primary focus is brewing IPAs and Dark Beers.

## What they brew

- IPA — 43% of the beers we track
- Pale Lager — 14% of the beers we track
- Pale Ale — 13% of the beers we track
- Stout / Porter — 12% of the beers we track
- Other — 9% of the beers we track
- Sour / Other — 5% of the beers we track
- Amber Lager — 4% of the beers we track

## Find them

- Address: 10183 Commercial Avenue, Penn Valley, California, United States
- Coordinates: 39.2070556, -121.201655
- Website: http://bullmastiffbrews.com/

## Breweries nearby

- [Grass Valley Brewing Company](https://finding.beer/brewery/grass-valley-brewing-company-5039.md) — 3.73, Fine — Grass Valley, California — 7.6 mi away
- [BrewBilt Brewing](https://finding.beer/brewery/brewbilt-brewing-29512.md) — 4.14, Great — Grass Valley, California — 8.7 mi away
- [1849 Brewing Company](https://finding.beer/brewery/1849-brewing-company-17240.md) — 3.78, Fine — Grass Valley, California — 9 mi away
- [Three Forks Bakery & Brewing Company](https://finding.beer/brewery/three-forks-bakery-brewing-company-3847.md) — 3.85, Fine — Nevada City, California — 11 mi away
- [Gold Vibe Kombuchary](https://finding.beer/brewery/gold-vibe-kombuchary-31459.md) — 3.51, Poor — Grass Valley, California — 11 mi away
- [Knee Deep Brewing Company](https://finding.beer/brewery/knee-deep-brewing-company-317.md) — 4.14, Great — Auburn, California — 19 mi away
- [Moonraker Brewing Company](https://finding.beer/brewery/moonraker-brewing-company-1562.md) — 4.58, Exceptional — Auburn, California — 19 mi away
- [Dueling Dogs Brewing Co.](https://finding.beer/brewery/dueling-dogs-brewing-co-3053.md) — 3.76, Fine — Lincoln, California — 19 mi away

## Rankings this brewery appears in

- [Best breweries in California](https://finding.beer/breweries/united-states/california.md)
- [Best breweries in United States](https://finding.beer/breweries/united-states.md)

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Finding Beer scores breweries on the beer they brew rather than on the venue. Method: <https://finding.beer/how-we-rank.md>. Rankings by place: <https://finding.beer/breweries.md>. The iPhone app adds a live map of what is around you: https://apps.apple.com/us/app/finding-beer/id1082135126