Boston Mayor-Elect Martin J. Walsh reported to state officials today that he has raised $489,825 from 71 donors during the month of December toward his upcoming three-day slate of inaugural events.

The Walsh transition team began reaching out to potential donors in November and in early December released its formal inaugural donation guidelines and suggested gift amounts—with the most expensive ask coming in at $25,000.

As of December 31, the inauguration team had courted six $25,ooo donations. They came from Burke Distribution Company, Diversified Automotive Incorporated, New Balance Athletics, NSTAR Electric and Gas, Synergy Financial Group, and the trustees of Boston University.

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Other corporate donors listed in the report include the Boston Foundation, Comcast, Metric Construction, NAIOP Massachusetts, Suffolk University, and TD Bank.

The roster also included about two dozen donations from individuals.

The new disclosure, first reported on Twitter by Boston Magazine’s David Bernstein, sheds new light on the scope of Walsh’s three-day inauguration.

Leading up to Governor Deval Patrick’s first inauguration in 2007, donations of up to $50,000 were sought to finance the $1 million, five-day celebration.

After Mayor Thomas M. Menino was elected to a fourth term in 2005, his inaugural committee raised more than $500,000 from 65 donors to pay for festivities that culminated in a Boston Public Library gala. City officials say figures from Menino’s first inauguration, in 1993, are no longer available.

Walsh officials have not said how much they aim to raise toward the inauguration, which includes events on Friday, Saturday, and Sunday in addition to the Monday morning’s swearing-in at Boston College’s Conte Forum and that evening’s inaugural ball at the Hynes Convention Center.

When Walsh is sworn in at 10 a.m on Monday — an event that will be produced by Cambridge-based Brattle Entertainment — he will be read the oath of office by Roderick L. Ireland, chief justice of the Massachusetts Supreme Judicial Court.

The evening gala will be coproduced by entertainment giant Live Nation and the Boston-based Rafanelli Events.

The $35-a-head gala will include performances by the Boston Pops Swing Orchestra, with conductor Keith Lockhart; the Dropkick Murphys; Blue Man Group; Ellis Hall; the Floor Lords; Zumix; Calypso Hurricane; Strictly Sinatra; Mark Morris and the Cat Tunes; Steve Sweeney; Lenny Clarke; and DJ Master Millions.

Walsh’s inaugural schedule also includes several community service events, among them a Youth Inaugural Summit on Saturday at Roxbury Community College.

On Sunday, Walsh will host a brunch for seniors at Northeastern University’s Cabot Athletic Center and will then attend an interfaith service at the Old South Church.