The 821 South Main building, a blue storefront office on Main Street in downtown Kemmerer, Wyoming

Downtown Kemmerer, Wyoming

821 South Main

A historic Main Street building, thoughtfully renovated for modern professional offices — in the heart of Kemmerer, directly across from the original J.C. Penney store.

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The Building

A century of Main Street, brought up to date

821 South Main is one of the landmark commercial buildings on Kemmerer's historic Main Street. Dating to the early 1900s, it has served the town for more than a century — and in 2023 it was fully renovated and modernized inside while keeping the character of its storefront.

Today it offers roughly 4,000 square feet of bright, updated office space over two levels: open work areas, private offices, and conference space with natural light from restored windows and new skylights. It sits directly across from the original J.C. Penney “mother store,” the anchor of downtown Kemmerer.

The renovated interior of 821 South Main, with white walls, wood floors, skylights, and a modern conference room
The light-filled upper level of 821 South Main, with skylights, wood floors, cable railings, and a glass-walled conference room
The entrance and reception area of 821 South Main, with tall ceilings and windows looking out onto Main Street in downtown Kemmerer

At a glance

  • Location: 821 S Main St, Kemmerer, WY 83101 — downtown Main Street
  • Approximately 4,000 square feet of commercial office space
  • Historic early-1900s building, fully renovated in 2023
  • Across from the original J.C. Penney store in downtown Kemmerer
  • Owned and operated by 821 South Main, LLC

Who’s here

Professional offices under one roof

821 South Main is home to a growing group of established firms serving clients across Wyoming and beyond.

Tresp Law, APC

Estate planning, trust and probate, and business law — the firm’s Wyoming office.

Tresp Corporate Services, LLC

Wyoming incorporation, registered agent, and corporate compliance services.

Northern Title Company of Wyoming, Inc

Montana Aircraft Trust Services, Inc

Wyoming Energy Futures, LLC

BigMan & Co, LLC

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