RestaurantsPortland

UNION Restaurant in Portland, Maine

UNION Restaurant: American restaurant in Portland

(642)
American restaurant$$$
UNION Restaurant
UNION Restaurant

Why Eat

Why UNION Restaurant

Union pulls together Portland's theater crowd, hotel guests, and anyone hunting for well-executed seasonal cooking in a space that feels both trendy and grounded. The kitchen works open to the dining room, and the menu shifts with what's available. It's the kind of place that gets the fundamentals right most nights, though service can hiccup when things get busy.

  • Open kitchen theater while you eat.
  • Mussels and braises that sing with flavor.
  • House cocktails that match the food.
  • Low noise level, even at capacity.

Menu

What to order

Start with the mussels, they come with fries and aioli, which is a winning formula. The pumpkin bisque is fall done right. For entrees, the mushroom tagliatelle and veal ragù are both rich and plated like they mean it. If they have cod with delicata squash, order it. The bacon cheeseburger with duck egg is a no-brainer if you want something grounded.

At a Glance

At a glance

Best for

Date night, pre-show dinner.

Price range

$$

Details

390 Congress St, Portland, ME 04103
(207) 808-8700
www.unionportland.com

Opening Times

Mon7:00 AM – 2:00 PM, 3:00 – 9:00 PM
Tue7:00 AM – 2:00 PM, 3:00 – 9:00 PM
Wed7:00 AM – 2:00 PM, 3:00 – 9:00 PM
Thu7:00 AM – 2:00 PM, 3:00 – 9:00 PM
Fri7:00 AM – 2:00 PM, 3:00 – 10:00 PM
Sat7:00 AM – 2:00 PM, 3:00 – 10:00 PM
Sun7:00 AM – 2:00 PM, 3:00 – 9:00 PM

Atmosphere

The room

Polished but not stuffy. The room is clean, modern, and manages to stay quiet even when busy. You can see the kitchen from most tables.

Expect seasonal vegetables, properly cooked protein, and a cocktail list that rewards curiosity. Portion sizes land in that sweet spot where you're satisfied without rolling out the door. Prix fixe menus are worth considering if you're in no rush.

Reviews

What guests say

Diners consistently praise the open kitchen view, the care in plating, and the cocktail program. One recent visitor called it "like being part of a live Netflix cooking show." Service is usually prompt and unobtrusive, though the kitchen can get stretched during peak hours, timing your visit matters.

Location and nearby

Guides

Verified details

UNION Restaurant is listed in Portland, Maine, as a restaurant at 390 Congress St. From UNION Restaurant, Mackworth Island measures 2.4 miles away in a straight line. Published details include full Bar, open Year-round. Reservation policy: reservation available. The recorded location for UNION Restaurant is latitude 43.65900, longitude -70.25651, in decimal degrees. The contact number is (207) 808-8700. Crescent Beach State Park is 6.4 miles from UNION Restaurant in a straight line.

Visit details

Reservations
Reservation available
Property type
American Restaurant
Bar
Full Bar
Season
Open Year-round

Sources (checked 2026-09-16)

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