Board of Supervisors Jane Kim addresses a crowd during a rally on Saturday, Oct. 15, 2016 in San Francisco, Calif.
Board of Supervisors Jane Kim addresses a crowd during a rally on Saturday, Oct. 15, 2016 in San Francisco, Calif.
Photo: Santiago Mejia, The Chronicle
Supervisor Jane Kim speaks with audience members after Mayor Ed Lee's annual state of the city address on Thursday, January 26, 2017 in San Francisco, Calif.
Supervisor Jane Kim speaks with audience members after Mayor Ed Lee's annual state of the city address on Thursday, January 26, 2017 in San Francisco, Calif.
Photo: Amy Osborne, Special To The Chronicle
The casket of San Francisco Mayor Ed Lee is carried into City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart attack. He was 65 years old. less
The casket of San Francisco Mayor Ed Lee is carried into City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart ... more
Photo: Santiago Mejia, San Francisco Chronicle
The casket of San Francisco Mayor Ed Lee is carried into City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart attack. He was 65 years old. less
The casket of San Francisco Mayor Ed Lee is carried into City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart ... more
Photo: Santiago Mejia, San Francisco Chronicle
Jason Elliott, Mayor Ed Lee�s chief of staff, wipes tears as the hearse carrying the mayor�s casket arrives at City Hall for a public viewing at City Hall in San Francisco, Calif. on Friday, Dec. 15, 2017. At left is Elliott�s wife Nicole, the head of the city�s Department of Cannabis. less
Jason Elliott, Mayor Ed Lee�s chief of staff, wipes tears as the hearse carrying the mayor�s casket arrives at City Hall for a public viewing at City Hall in San Francisco, Calif. on Friday, Dec. 15, 2017. ... more
Photo: Paul Chinn, The Chronicle
A vigil outside City Hall for San Francisco Mayor Ed Lee on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart attack. He was 65 years old. less
A vigil outside City Hall for San Francisco Mayor Ed Lee on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart attack. ... more
Photo: Santiago Mejia, San Francisco Chronicle
San Francisco Fire Department Chief Joanne Hayes-White (center), firefighters and and sheriff's department officials salute as the casket of San Francisco Mayor Ed Lee is carried into City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Mayor Ed Lee was lain in state at the rotunda of City Hall. Lee died on Tuesday from a heart attack. He was 65 years old. less
San Francisco Fire Department Chief Joanne Hayes-White (center), firefighters and and sheriff's department officials salute as the casket of San Francisco Mayor Ed Lee is carried into City Hall on Friday, Dec. ... more
Photo: Santiago Mejia, San Francisco Chronicle
Musicians with the San Francisco Symphony play near the casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, on Friday December 15, 2017, in San Francisco, California less
Musicians with the San Francisco Symphony play near the casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, on Friday December 15, 2017, in San Francisco, ... more
Photo: Michael Macor, The Chronicle
The casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, below the Mayor's office above, on Friday December 15, 2017, in San Francisco.
The casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, below the Mayor's office above, on Friday December 15, 2017, in San Francisco.
Photo: Michael Macor, The Chronicle
Rep. Nancy Pelosi (D-S.F.) signs the guest book as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco. Lee died on Tuesday from a heart attack. He was 65 years old.
Rep. Nancy Pelosi (D-S.F.) signs the guest book as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco. Lee died on Tuesday from a heart attack. He was 65 years old.
Photo: Santiago Mejia, The Chronicle
Nancy Pelosi, the Minority Leader of the United States House of Representatives with her husband Paul and daughter Christine at the casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, on Friday December 15, 2017, in San Francisco, Ca. less
Nancy Pelosi, the Minority Leader of the United States House of Representatives with her husband Paul and daughter Christine at the casket containing the body of Mayor Ed Lee lying in state in the San Francisco ... more
Photo: Michael Macor, The Chronicle
San Francisco acting Mayor London Breed after viewing the casket with the body of Mayor Ed Lee lying in state the San Francisco City Hall rotunda, on Friday December 15, 2017.
San Francisco acting Mayor London Breed after viewing the casket with the body of Mayor Ed Lee lying in state the San Francisco City Hall rotunda, on Friday December 15, 2017.
Photo: Michael Macor, The Chronicle
Chang Jok Lee with the Ping Yuen Residents Improvement Association, an advocate for residents rights in Chinatown and longtime friend of Mayor Ed Lee, visits the casket containing the body of Lee lying in state in the San Francisco City Hall rotunda on Friday, Dec. 15, 2017, in San Francisco. less
Chang Jok Lee with the Ping Yuen Residents Improvement Association, an advocate for residents rights in Chinatown and longtime friend of Mayor Ed Lee, visits the casket containing the body of Lee lying in state ... more
Photo: Michael Macor, The Chronicle
From left facing camera: Carmen Chu and Katy Tang are comforted as they gave their respect to San Francisco Mayor Ed Lee who is laying in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old. less
From left facing camera: Carmen Chu and Katy Tang are comforted as they gave their respect to San Francisco Mayor Ed Lee who is laying in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. ... more
Photo: Santiago Mejia, The Chronicle
Sen. Mark Leno as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Sen. Mark Leno as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Photo: Santiago Mejia, The Chronicle
From left: State Sen. Scott Wiener and Board of Supervisors Norman Yee pay their respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old. less
From left: State Sen. Scott Wiener and Board of Supervisors Norman Yee pay their respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on ... more
Photo: Santiago Mejia, The Chronicle
Willie Brown takes a moment as the body of San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Willie Brown takes a moment as the body of San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Photo: Santiago Mejia, The Chronicle
Michael Pappas pays his respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Michael Pappas pays his respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Photo: Santiago Mejia, The Chronicle
City Attorney Dennis Herrera pays his respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old. less
City Attorney Dennis Herrera pays his respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years ... more
Photo: Santiago Mejia, The Chronicle
Joshua Acre, (left) director of CityBuild and Don Marcos both with San Francisco's Office of Economic Development pay their respects at the casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, on Friday December 15, 2017, in San Francisco, Ca. less
Joshua Acre, (left) director of CityBuild and Don Marcos both with San Francisco's Office of Economic Development pay their respects at the casket containing the body of Mayor Ed Lee lying in state in the San ... more
Photo: Michael Macor, The Chronicle
Former Mayor Ed Lee Chief of Staff Steve Kawa and his daughter Katherine pay respects at the casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, on Friday December 15, 2017, in San Francisco, Ca. less
Former Mayor Ed Lee Chief of Staff Steve Kawa and his daughter Katherine pay respects at the casket containing the body of Mayor Ed Lee lying in state in the San Francisco City Hall rotunda, on Friday December ... more
Photo: Michael Macor, The Chronicle
From left: Fire Department chief Joanne Hayes-White and deputy chief of operations Mark Gonzales pay their respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old. less
From left: Fire Department chief Joanne Hayes-White and deputy chief of operations Mark Gonzales pay their respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San ... more
Photo: Santiago Mejia, The Chronicle
San Francisco Police Chief Bill Scott (left) pays his respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old. less
San Francisco Police Chief Bill Scott (left) pays his respect as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. ... more
Photo: Santiago Mejia, San Francisco Chronicle
Police officers bow three times as the body of San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old. less
Police officers bow three times as the body of San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years ... more
Photo: Santiago Mejia, The Chronicle
People pay their respect to San Francisco Mayor Ed Lee as he lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
People pay their respect to San Francisco Mayor Ed Lee as he lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Photo: Santiago Mejia, San Francisco Chronicle
Members of the mayor�s staff and department heads stand on the steps of City Hall when Mayor Ed Lee�s casket is carried inside to lie in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Members of the mayor�s staff and department heads stand on the steps of City Hall when Mayor Ed Lee�s casket is carried inside to lie in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Photo: Paul Chinn, The Chronicle
Mourners wait in line to pay their respects at a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Mourners wait in line to pay their respects at a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Photo: Paul Chinn, The Chronicle
Police officers salute as pallbearers carry the casket of the late Mayor Ed Lee into CIty Hall for a public viewing in San Francisco, Calif. on Friday, Dec. 15, 2017.
Police officers salute as pallbearers carry the casket of the late Mayor Ed Lee into CIty Hall for a public viewing in San Francisco, Calif. on Friday, Dec. 15, 2017.
Photo: Paul Chinn, The Chronicle
Members of his security team carry the casket of Mayor Ed Lee into the San Francisco City Hall rotunda, on Friday December 15, 2017, where it will lie in state.
Members of his security team carry the casket of Mayor Ed Lee into the San Francisco City Hall rotunda, on Friday December 15, 2017, where it will lie in state.
Photo: Michael Macor, The Chronicle
A group of people bow three times as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
A group of people bow three times as San Francisco Mayor Ed Lee lies in state at City Hall on Friday, Dec. 15, 2017, in San Francisco, Calif. Lee died on Tuesday from a heart attack. He was 65 years old.
Photo: Santiago Mejia, The Chronicle
C.J. Peoples and his dog Mister wait in line with other mourners to pay their respects at a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017. less
C.J. Peoples and his dog Mister wait in line with other mourners to pay their respects at a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, ... more
Photo: Paul Chinn, The Chronicle
Mourners file past a memorial to pay their respects at a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Mourners file past a memorial to pay their respects at a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Photo: Paul Chinn, The Chronicle
Condolences are illuminated on the marquis of the Bill Graham Civic Auditorium for a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Condolences are illuminated on the marquis of the Bill Graham Civic Auditorium for a public viewing at City Hall where the late Mayor Ed Lee lies in state in San Francisco, Calif. on Friday, Dec. 15, 2017.
Photo: Paul Chinn, The Chronicle
San Francisco Supervisor Jane Kim signaled her intent to enter the 2018 mayoral race Wednesday, requesting nomination papers from the city’s Department of Elections.
Kim, a stalwart progressive as a supervisor, has long been rumored to be considering a bid for the mayor’s office. She was first elected to the Board of Supervisors in 2010.
She and any other candidates eyeing a run for mayor have until Jan. 9 to file the necessary paperwork. Though any number of people may take out the papers to run, none of them are official candidates until those nomination papers are returned.
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Kim ran an unsuccessful race last November to replace termed-out state Sen. Mark Leno. She was beaten by fellow Supervisor Scott Wiener, but the race may have boosted her recognition with San Francisco voters, particularly after her high-profile endorsement from then-presidential hopeful Sen. Bernie Sanders.
Before being elected to the board, Kim, San Francisco’s first Korean American elected official, worked as a community organizer for the Chinatown Community Development Center and served as president of the San Francisco Board of Education. She’s also worked as an attorney at the Lawyers’ Committee for Civil Rights.
Kim did not respond to a request for comment.
As the supervisor representing District Six, Kim has presided over a corridor of the city undergoing an intensive transformation, thanks to a raft of commercial and residential development. The district includes the South of Market area, which became the city’s most valuable neighborhood this year, thanks to the many real estate transactions taking place there.
But nearby neighborhoods in her district, such as the Tenderloin, remain home to many of the city’s poorest residents.
Among her major legislative accomplishments as a supervisor, Kim led the effort to make City College of San Francisco free to city residents. She also spearheaded the successful 2014 ballot initiative to raise the minimum wage in San Francisco to $15 by 2018. Her official campaign page also touts her efforts to “expand access to affordable housing, protect renters, close the income gap and improve public schools.”
Despite her progressive bona fides, her progressive colleagues on the board — Aaron Peskin, Sandra Lee Fewer, Ahsha Safaí and Norman Yee — have already endorsed Leno.
Kim joins former Supervisor Angela Alioto in pulling papers this week to run for mayor in the June 5 ranked-choice election, which was scheduled after Mayor Ed Lee’s death from a heart attack Dec. 12.
Leno and a handful of lesser-known candidates also have requested nomination documents. Among those believed to be considering entering the mayor’s race are acting Mayor London Breed, Supervisor Mark Farrell, Assemblyman and former Supervisor David Chiu, and City Attorney Dennis Herrera.
Dominic Fracassa is a San Francisco Chronicle staff writer. Email: dfracassa@sfchronicle.com Twitter: @dominicfracassa