Building Info

The Sentinel Building. Photo by Jeramey Jannene.
  • Address:
    225 E. Mason St.
  • Taxkey:
    3920683000
  • Architect:
    Walter A. Holbrook
  • Status:
  • Assessed Value (Land):
    $273,000
  • Assessed Value (Improvements):
    $1,793,800
  • Assessed Value (Total):
    $2,066,800
  • Assesment Year:
    2023
  • Year Built:
  • Size:
    30,848 sq-ft

Built as a home for the Milwaukee Sentinel in 1892. Proposed for conversion into 33 apartments as of 2021, but that plan was effectively canceled in early 2023.

Designed by Walter A. Holbrook.

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Content referencing The Sentinel Building

Mostly Vacant Downtown Office Building Sold

Mostly Vacant Downtown Office Building Sold

But it's unclear what happens next for building once slated for conversion to housing.

Four Milwaukee Buildings Headed To Auction Block

Four Milwaukee Buildings Headed To Auction Block

Iron Horse Hotel, downtown office building, 30th Street Corridor redevelopment candidate and Park Place office building on the market.

Plats and Parcels: Downtown Apartments Plan Goes Kaput
Plats and Parcels

Downtown Apartments Plan Goes Kaput

Plan to convert old Sentinel Building in limbo. Plus: recap of the week's real estate news.

Eyes on Milwaukee: Historic Commission Will Review New Downtown Hotel
Eyes on Milwaukee

Historic Commission Will Review New Downtown Hotel

Plans proceeding for eight-story Tempo by Hilton across from Pere Marquette Park.

Eyes on Milwaukee: 20-Story AT&T Building Sold for $30 Million
Eyes on Milwaukee

20-Story AT&T Building Sold for $30 Million

Will downtown building be redeveloped for some residential use, like other nearby towers?

Eyes on Milwaukee: RiverWalk Lofts Planned For 110-Year-Old Office Building
Eyes on Milwaukee

RiverWalk Lofts Planned For 110-Year-Old Office Building

River Bank Plaza will get redeveloped.

Eyes on Milwaukee: Sentinel Building To Become 33 Apartments
Eyes on Milwaukee

Sentinel Building To Become 33 Apartments

Mostly-vacant office building would see new life as housing.

Plats and Parcels: Sentinel Building May Become Apartments
Plats and Parcels

Sentinel Building May Become Apartments

Plus: A rundown of the week's real estate news.

Eyes on Milwaukee: The Revival of Newspaper Row
Eyes on Milwaukee

The Revival of Newspaper Row

Old Journal and Sentinel buildings on E. Mason St. see new life.

Plats and Parcels: More Downtown Projects Moving Forward
Plats and Parcels

More Downtown Projects Moving Forward

Progress happening on activation of Sentinel Building, redevelopment of Bradley Center and creation of S Block.

Building data on this page, including assessment information, was last updated on April 5, 2024

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