8,800-plus square-foot home coming to East Isles

New home will go up on former Gates Mansion site

An illustration of a new home under construction at 2505 E. Lake of the Isles Pkwy. Image by Peterssen/Keller Architecture
An illustration of a new home under construction at 2505 E. Lake of the Isles Pkwy. Image by Peterssen/Keller Architecture

A new 8,832-square-foot home is under construction at 2505 E. Lake of the Isles at one of the largest single-family home lots in Minneapolis.

Plans for the new one- and two-story house include green roofs, stormwater captured in a cistern, and the potential for solar installations, according to a city staff report. A proposed geothermal heat pump will concentrate the naturally existing heat contained within the earth to provide higher-efficiency heating on the coldest nights.

An attached accessory dwelling unit (or “Granny flat”) will rise above the garage.

The home will stand on the southern portion of the lot, and there are plans to split the northern portion into a separate residential lot.

The prior home on the lot was a mid-century modern house of 7,495 square feet built in 1958. A city review determined the house was not a “historic resource.”

A mid-century modern home at 2505 E. Lake of the Isles Pkwy is demolished to make way for a new home on the lot. Photo courtesy of city of Minneapolis
A mid-century modern home at 2505 E. Lake of the Isles Pkwy is demolished to make way for a new home on the lot. Photo courtesy of city of Minneapolis

The site previously held the Gates Mansion, completed in 1914, which at 38,000 square feet is believed to have been the largest residence ever built in Minneapolis.

The East Isles Residents Association’s Zoning and Land Use Committee voted in support of the project variances.

The East Isles committee did express concerns about a different teardown recently proposed at 2701 E. Lake of the Isles Parkway. That house was designed in 1887 for William Donaldson, founder of the Donaldson’s store on Nicollet Mall in business from 1888-1987, according to the city. The home’s architect Long and Kees also designed City Hall, the Flour Exchange and Lumber Exchange buildings.

Neighborhood residents voted to oppose the teardown, saying the house still contained historical significance and they were worried the new house would not fit with others on the block. Since the vote, the property has been listed for sale with a list price of $1,595,000.

East Isles committee members discussed starting a “Historic District” on Lake of the Isles to protect existing houses, according to meeting minutes.

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