Principles GI Coffee House

Principles GI Coffee House coming soon! a coffee house by
***rownedbusiness
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Principles is a woman-/q***r-/veteran-owned specialty coffee cafe opening soon in the Red Hook section of Brooklyn. The shop is modelled after the dissident, anti-war, pro-peace Vietnam-War-era and Iraq-War-era GI coffee houses that operated wholly as coffee shops and eateries and also provided space for activist gatherings, grassroots charity and mutual aid events, and community-building endeavours. Katie, the sole owner of Principles, is a Marine Corps veteran, active in the pro-peace movement, and the child of a bartender and waitress and thus she has a literal lifetime of experience in all things bar, restaurant, and cafe. Most recently, she has been a barista and manager at some of New York’s premiere boutique cafes and has devoted countless hours to professional development in the realm of coffee brewing and espresso. So much of the NYC coffee scene is taken up by serial entrepreneurs with no cafe or restaurant experience who come from money and thought it would be cute to own a cafe, because how hard could it be, right? Katie doesn’t come from money, but she’s scrappy and has a whole village on her side. It’s cliche to say that there’s no better time than now, but seriously there is no better time than *now* because the forest fire of 2020 has razed the landscape of stagnant growth and from it seeds of the next generation of businesses and ideas can flourish in the wake. The city is in a time of record high commercial vacancy and there is an overwhelming pent-up demand to gather and sip drinks in person and Principles is poised to thrive in that environment.

princi crew really do be lookin’ like a post-rock band
10/02/2026

princi crew really do be lookin’ like a post-rock band

09/30/2026

i posted this on my personal tiktok and the comments section went totally off the rails. peter thinks the same thing will happen on ig but i think it will be a much more sedate affair here on ig. let’s see what happens 🤷🏻‍♀️🤣😜

semi-occasional post reminding the world that this is indeed a Specialty Coffee Shop that actually sells incredible coff...
09/26/2026

semi-occasional post reminding the world that this is indeed a Specialty Coffee Shop that actually sells incredible coffee. also the retail shelves are brimming with bangers and this nor’easter is decimating sales so plz come buy ty.

09/22/2026

in a rare case of a cold-call going well, this guy Jack Nixon cold-DMs me last month asking if he can film a commercial for princi. seems maybe not worth the trouble but i go and look at his profile and goddamn he’s got some good sh on there. i run it by a few friends who agree with the quality and then p**f we get this awesome lil thing! thank you jack!!!

cameos from Marie Basile Elisabeth Anne MARE Alex Goodson a Floof and a Doof

need to fix your bike but don’t know what tf yr doing? wanna share the knowledge you have with the noobs? wanna flirt wi...
09/18/2026

need to fix your bike but don’t know what tf yr doing? wanna share the knowledge you have with the noobs? wanna flirt with all the hot q***r bike mechanics? then my oh my have we got the spot for you!

09/17/2026

sensitive material here!!

09/15/2026

first time on planet earth, eh?

09/11/2026

bk bridge bike lane nightly closure 10 sept thru 17 sept.

hailey did photo day with us over the weekend and i just can’t with how great these came out!!! more pics to come.
09/08/2026

hailey did photo day with us over the weekend and i just can’t with how great these came out!!! more pics to come.

someday i’ll figure out a prettier way to present this, but i’m just tryna get in the habit of sharing numbers right now...
04/08/2026

someday i’ll figure out a prettier way to present this, but i’m just tryna get in the habit of sharing numbers right now. here Q1 2026 as compared to Q1 2025. sales didn’t go down as wildly as i would have expected, but costs went up across the board so net income was down way more than gross. someday i’ll lock into r-star and all the numbers will be well. do any of you number nerds see anything interesting in these numbers or have thoughts on how to improve?

Address

139 9th Street
Brooklyn, NY
11225

Opening Hours

Monday 9am - 1pm
Tuesday 9am - 1pm
Wednesday 9am - 1pm
Thursday 9am - 6pm
Friday 9am - 5pm
Saturday 9am - 8pm
Sunday 9am - 2pm

Telephone

+1 347-218-4290

Website

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