'Big Bang Theory' star Johnny Galecki’s house burns down in massive fire

"The Big Bang Theory" star Johnny Galecki's large ranch burned down on Monday night in a massive fire, Variety has confirmed with the actor's reps.

Galecki was not at the property at the time of the fire and is unharmed.

The hideway home was in San Luis Obispo, located roughly in between Los Angeles and San Francisco. According to the TMZ, who first broke the news, the 1,200 acre fire burned down the ranch and other property on the estate, and as of press time, 40% of the fire contained.

The actor's rep confirms the report that states Galecki has not yet seen the property, but he plans to check out the scene once the fire is completely contained.

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'Big Bang Theory' star Johnny Galecki out and about
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'Big Bang Theory' star Johnny Galecki out and about
NASHVILLE, TN - JUNE 07: Actor Johnny Galecki attends the 2017 CMT Music Awards at the Music City Center on June 7, 2017 in Nashville, Tennessee. (Photo by Michael Loccisano/Getty Images For CMT)
LOS ANGELES - MARCH 28: 'The Separation Agitation' -- Pictured: Leonard Hofstadter (Johnny Galecki) and Penny (Kaley Cuoco). Coverage of the CBS series THE BIG BANG THEORY, scheduled to air on the CBS Television Network. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES, CA - FEBRUARY 02: Actor Johnny Galecki attends a screening of 'Rings' at Regal LA Live Stadium 14 on February 2, 2017 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES, CA - JANUARY 29: Actor Johnny Galecki attends the 23rd Annual Screen Actors Guild Awards at The Shrine Expo Hall on January 29, 2017 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
NEW YORK, NY - JANUARY 20: Actor Johnny Galecki visits Build Series to discuss the movie 'Rings' at Build Studio on January 20, 2017 in New York City. (Photo by Mike Pont/WireImage)
LOS ANGELES - JANUARY 25: Sting and Johnny Galecki chat with James Corden during 'The Late Late Show with James Corden,' Tuesday, January 31, 2017 (12:35 PM-1:37 AM ET/PT) On The CBS Television Network. (Photo by Terence Patrick/CBS via Getty Images)
NEW YORK, NY - JANUARY 20: Jim Parsons and Johnny Galecki visits at SiriusXM Studios on January 20, 2017 in New York City. (Photo by Robin Marchant/Getty Images)
The Cast of The Big Bang Theory (actors Kaley Cuoco, Kunal Nayyar, Melissa Rauch, Simon Helberg, Mayim Bialik, Johnny Galecki) pose for a portrait as the winners of 'Favorite Network TV Comedy' at the 2017 People's Choice Awards at the Microsoft Theater on January 18, 2017 in Los Angeles, California. (Photo by Smallz & Raskind/Getty Images Portrait) FAVORITE NETWORK TV COMEDY
NEW YORK, NY - JANUARY 19: Actor Johnny Galecki enters the 'The Late Show With Stephen Colbert' taping at Ed Sullivan Theater on January 19, 2017 in New York City. (Photo by Ray Tamarra/GC Images)
LOS ANGELES, CA - JANUARY 18: Actors Jordana Brewster and Johnny Galecki backstage at the People's Choice Awards 2017 at Microsoft Theater on January 18, 2017 in Los Angeles, California. (Photo by Emma McIntyre/Getty Images for People's Choice Awards)
LOS ANGELES, CA - OCTOBER 15: Actor Johnny Galecki attends Hilarity for Charity's 5th Annual Los Angeles Variety Show: Seth Rogen's Halloween at Hollywood Palladium on October 15, 2016 in Los Angeles, California. (Photo by Randy Shropshire/Getty Images)
LOS ANGELES - NOVEMBER 22: 'The Birthday Synchronicity' -- Pictured: Penny (Kaley Cuoco) and Leonard Hofstadter (Johnny Galecki). Howard and Bernadette welcome their new baby and Sheldon and Amy celebrate Amy's birthday, on THE BIG BANG THEORY, Thursday, Dec. 15 (8:00-8:31 PM, ET/PT) on the CBS Television Network. (Photo by Monty Brinton/CBS via Getty Images)
LOS ANGELES - JANUARY 16: 'The Locomotion Reverberation'-- Pictured: Howard Wolowitz (Simon Helberg) and Leonard Hofstadter (Johnny Galecki). Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Dean Norris returns as Colonel Williams. (Photo by Sonja Flemming/CBS via Getty Images)
WEST HOLLYWOOD, CA - AUGUST 11: Actor Johnny Galecki, Musician Billy Gibbons and Photographer Timothy White attend the Cars And Stars Exhibit at Morrison Hotel Gallery on August 11, 2016 in West Hollywood, California. (Photo by Liliane Lathan/Getty Images)
LOS ANGELES - APRIL 19: 'The Line Substitution Solution' -- Pictured: Leonard Hofstadter (Johnny Galecki) and Howard Wolowitz (Simon Helberg). Sheldon hires Stuart to spend the day with Amy when he'd rather go to a movie screening. Also, Leonard's mother, Beverly (Christine Baranski), comes to town and Penny struggles to make a connection with her, on THE BIG BANG THEORY, Thursday, May 5 (8:00-8:31, ET/PT) on the CBS Television Network. (Photo by Michael Yarish/CBS via Getty Images)
UNIVERSAL CITY, CA - MAY 26: Johnny Galecki arrives at the Red Nose Day Special on NBC at Alfred Hitchcock Theater at Universal Studios on May 26, 2016 in Universal City, California. (Photo by Jerod Harris/WireImage)
LOS ANGELES, CA - MARCH 28: Johnny Galecki (2L) and Floyd Mayweather Jr. attend a basketball game between the Boston Celtics and the Los Angeles Clippers at Staples Center on March 28, 2016 in Los Angeles, California. (Photo by Noel Vasquez/GC Images)
HOLLYWOOD, CALIFORNIA - MARCH 16: Actors Johnny Galecki and Simon Helberg attend The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles �he Big Bang Theory' at Dolby Theatre on March 16, 2016 in Hollywood, California. (Photo by Matt Winkelmeyer/Getty Images)
AUSTIN, TX - MARCH 13: (L-R) Producer Aaron L. Gilbert and actors Kyle Gallner and Johnny Galecki attend the premiere of 'The Master Cleanse' during the 2016 SXSW Music, Film + Interactive Festival at Alamo Lamar D on March 13, 2016 in Austin, Texas. (Photo by James Goulden Photography/Getty Images for SXSW)
AUSTIN, TX - MARCH 13: (L-R) Actors Johnny Galecki, Kyle Gallner and writer/director Bobby Miller of 'Master Cleanse' are photographed in the Getty Images SXSW Portrait Studio powered by Samsung at the Samsung Studio on March 13, 2016 in Austin, Texas. (Photo by Smallz & Raskind/Getty Images for Samsung)
BEVERLY HILLS, CA - MARCH 09: Actor Johnny Galecki attends the 24th and final 'A Night at Sardi's' to benefit the Alzheimer's Association at The Beverly Hilton Hotel on March 9, 2016 in Beverly Hills, California. (Photo by Vincent Sandoval/WireImage)
BEVERLY HILLS, CA - MARCH 09: Actors Johnny Galecki (L) and Kaley Cuoco attend the 24th and final 'A Night at Sardi's' to benefit the Alzheimer's Association at The Beverly Hilton Hotel on March 9, 2016 in Beverly Hills, California. (Photo by Frederick M. Brown/Getty Images)
LOS ANGELES, CA - MARCH 07: Actor Johnny Galecki attends the premiere of Sony Pictures Classics' 'The Bronze' at the Regent Theater on March 7, 2016 in Los Angeles, California. (Photo by Michael Tullberg/Getty Images)
LOS ANGELES, CA - FEBRUARY 20: Actor Johnny Galecki attends 'The Big Bang Theory' 200th episode celebration at Vibiana on February 20, 2016 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LOS ANGELES - FEBRUARY 8: 'The Celebration Experimentation' -- After more than nine years together, the gang finally celebrates Sheldon's birthday, surprising him with a special guest, on the 200th episode of THE BIG BANG THEORY, Thursday, Feb. 25 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Seated left to right: Kunal Nayyar, Kaley Cuoco, Adam West, Simon Helberg and Johnny Galecki Standing left to right: Mayim Bialik, Sara Gilbert, Kevin Sussman, Jim Parsons, Melissa Rauch, Wil Wheaton, Christine Baranski and John Ross Bowie (Photo by Monty Brinton/CBS via Getty Images)
LOS ANGELES, CA - JANUARY 30: Actor Johnny Galecki attends the 22nd Annual Screen Actors Guild Awards at The Shrine Auditorium on January 30, 2016 in Los Angeles, California. (Photo by Dan MacMedan/WireImage)
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Galecki is best known for playing Dr. Leonard Hofstadter in the mega-hit CBS sitcom "The Big Bang Theory," which was recently renewed for two more seasons, bringing the comedy up to a total of 12 seasons. Galecki, along with co-stars Jim Parsons and Kaley Cuoco, is one of the highest-paid stars on television for his role on the popular series.

Aside from "Big Bang," Galecki is also known for his early role from 1992-1997 in "Rosanne," which is being revived on ABC this upcoming TV season. His other credits include "National Lampoon's Christmas Vacation" (1989), "Prancer" (1989), "Suicide Kings" (1997), "I Know What You Did Last Summer" (1997), "In Time" (2011) and "Rings" (2017).

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See more photos from "The Big Bang Theory":
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LOS ANGELES - APRIL 19: 'The Line Substitution Solution' -- Pictured: Trevor (Blake Anderson), Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki), Howard Wolowitz (Simon Helberg) and Rajesh Koothrappali (Kunal Nayyar). Sheldon hires Stuart to spend the day with Amy when he'd rather go to a movie screening. Also, Leonard's mother, Beverly (Christine Baranski), comes to town and Penny struggles to make a connection with her, on THE BIG BANG THEORY, Thursday, May 5 (8:00-8:31, ET/PT) on the CBS Television Network. (Photo by Michael Yarish/CBS via Getty Images)
LOS ANGELES - APRIL 19: 'The Line Substitution Solution' -- Pictured: Sheldon Cooper (Jim Parsons), Leonard Hofstadter (Johnny Galecki), Stuart (Kevin Sussman) and Howard Wolowitz (Simon Helberg). Sheldon hires Stuart to spend the day with Amy when he'd rather go to a movie screening. Also, Leonard's mother, Beverly (Christine Baranski), comes to town and Penny struggles to make a connection with her, on THE BIG BANG THEORY, Thursday, May 5 (8:00-8:31, ET/PT) on the CBS Television Network. (Photo by Michael Yarish/CBS via Getty Images)
LOS ANGELES - APRIL 19: 'The Line Substitution Solution' -- Pictured: Sheldon Cooper (Jim Parsons), Howard Wolowitz (Simon Helberg), Rajesh Koothrappali (Kunal Nayyar) and Leonard Hofstadter (Johnny Galecki). Sheldon hires Stuart to spend the day with Amy when he'd rather go to a movie screening. Also, Leonard's mother, Beverly (Christine Baranski), comes to town and Penny struggles to make a connection with her, on THE BIG BANG THEORY, Thursday, May 5 (8:00-8:31, ET/PT) on the CBS Television Network. (Photo by Michael Yarish/CBS via Getty Images)
HOLLYWOOD, CALIFORNIA - MARCH 16: (L-R) Moderator Alie Ward, executive producers Chuck Lorre, Steven Molaro, Bill Prady, actors Mayim Bialik, Jim Parsons, Kaley Cuoco, Johnny Galecki, Simon Helberg, and Kunal Nayyar attend The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles ÃThe Big Bang Theory' at Dolby Theatre on March 16, 2016 in Hollywood, California. (Photo by Matt Winkelmeyer/Getty Images)
BEVERLY HILLS, CA - MARCH 09: (L-R) Actors Jim Parsons, Melissa Rauch, Kunal Nayyar, Kaley Cuoco, Simon Helberg, Mayim Bialik and Johnny Galecki perform onstage during the 24th and final 'A Night at Sardi's' to benefit the Alzheimer's Association at The Beverly Hilton Hotel on March 9, 2016 in Beverly Hills, California. (Photo by Jesse Grant/Getty Images)
MUST SEE TV: AN ALL-STAR TRIBUTE TO JAMES BURROWS -- Pictured: (l-r) Kaley Cuoco, Simon Helberg, Johnny Galecki, Jim Parsons -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
LOS ANGELES - FEBRUARY 2: 'The Positive Negative Reaction' -- Bernadette is concerned when Wolowitz freaks out over her pregnancy announcement, and Wolowitz is convinced he must make more money to provide for the baby, on THE BIG BANG THEORY, Thursday, Feb. 18 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Kunal Nayyar, Simon Helberg, Johnny Galecki and Jim Parsons (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - JANUARY 19: 'The Valentino Submergence' -- Sheldon and Amy host a live Valentine's Day episode of Fun with Flags, Leonard and Penny grapple with getting older, Howard and Bernadette find a surprise in their hot tub and Raj is torn between Emily and the cute girl he met at the Comic Bookstore, on THE BIG BANG THEORY, Thursday, Feb. 11 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Pictured left to right: Johnny Galecki, Simon Helberg, Jim Parsons and Kunal Nayyar (Photo by Monty Brinton/CBS via Getty Images)
LOS ANGELES - FEBRUARY 8: 'The Celebration Experimentation' -- After more than nine years together, the gang finally celebrates Sheldon's birthday, surprising him with a special guest, on the 200th episode of THE BIG BANG THEORY, Thursday, Feb. 25 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Jim Parsons, Kunal Nayyar, Sara Gilbert, Kevin Sussman, Adam West, Simon Helberg, Melissa Rauch, John Ross Bowie, Wil Wheaton, Johnny Galecki and Kaley Cuoco (Photo by Monty Brinton/CBS via Getty Images)
LOS ANGELES - FEBRUARY 2: 'The Positive Negative Reaction' -- Bernadette is concerned when Wolowitz freaks out over her pregnancy announcement, and Wolowitz is convinced he must make more money to provide for the baby, on THE BIG BANG THEORY, Thursday, Feb. 18 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Pictured left to right: Simon Helberg, Kunal Nayyar, Jim Parsons and Johnny Galecki (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - AUGUST 30: 'The Pulled Groin Extrapolation' -- Sheldon and Penny wonder how they'll get along when Leonard goes to a wedding as Amy's date. Meanwhile, Howard (Simon Helberg, left) and Bernadette (Melissa Rauch, right) spend the weekend with Mrs. Wolowitz, on THE BIG BANG THEORY, Thursday, Sept. 29 (8:00-8:31 PM, ET/PT) on the CBS Television Network. (Photo by Richard Cartwright/CBS via Getty Images)
LOS ANGELES - SEPTEMBER 23: 'The Workplace Proximity' -- Howard (Simon Helberg, left) finds himself sleeping on Raj'™s couch after a fight with Bernadette, on THE BIG BANG THEORY, Thursday, Oct. 17 (8:00 -“ 8:31 PM, ET/PT) on the CBS Television Network. Also pictured: Johnny Galecki (right) (Photo by Monty Brinton/CBS via Getty Images)
LOS ANGELES - APRIL 15: 'The Gorilla Dissolution' -- Howard (Simon Helberg, left) and Bernadette (Melissa Rauch, right) struggle to care for Mrs. Wolowitz, on THE BIG BANG THEORY, Thursday, May 8 (8:00-8:31 PM, ET/PT) on the CBS Television Network. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES, CA - SEPTEMBER 18: Kaley Cuoco is seen at 'Jimmy Kimmel Live' on September 18, 2014 in Los Angeles, California. (Photo by RB/Bauer-Griffin/GC Images)
LOS ANGELES, CA - SEPTEMBER 20: Kaley Cuoco is seen in Los Angeles on September 20, 2014 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - SEPTEMBER 20: Kaley Cuoco is seen in Los Angeles on September 20, 2014 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)
LOS ANGELES, CA - AUGUST 25: Actress Kaley Cuoco (R) and husband Ryan Sweeting (L) attend HBO's 2014 Emmy after party at The Plaza at the Pacific Design Center on August 25, 2014 in Los Angeles, California. (Photo by Barry King/FilmMagic)
GOOD MORNING AMERICA - Rihanna, Steve Martin and Jim Parsons are all guests on 'Good Morning America,' 3/13/15, airing on the ABC Television Network. (Photo by Lou Rocco/ABC via Getty Images)
LOS ANGELES, CA - AUGUST 25: Actress Kaley Cuoco arrives to the 66th Annual Primetime Emmy Awards at Nokia Theatre L.A. Live on August 25, 2014 in Los Angeles, California. (Photo by C Flanigan/Getty Images)
BURBANK - JULY 23: Gallery Promo Coverage of CBS' THE BIG BANG THEORY, scheduled to air on the CBS Television Network. Pictured: Simon Helberg as Howard Wolowitz. (Photo by Monty Brinton/CBS via Getty Images)
BEVERLY HILLS, CA - DECEMBER 18: Actress Kaley Cuoco-Sweeting arrives at The PEOPLE Magazine Awards at The Beverly Hilton Hotel on December 18, 2014 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic)
NEW YORK - MAY 18: CBS announces their new fall schedule. (Jeffrey R. Staab/CBS via Getty Images) *** CBS presented its 2016-17 prime time schedule today (May 18) at Carnegie Hall, where many of the Networks new and returning series stars were in attendance. Pictured L-R: Melissa Rauch, Mayim Bialik, Simon Helberg, Kaley Cuoco, Jim Parsons, and Johnny Galecki from THE BIG BANG THEORY *** Melissa Rauch;Mayim Bialik;Simon Helberg;Kaley Cuoco;Jim Parsons;Johnny Galecki
LOS ANGELES - SEPTEMBER 9: 'The Hook-Up Reverberation' -- Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny. Also, the guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Laura Spencer, Simon Helberg, Melissa Rauch, Mayim Bialik, Jim Parsons, Johnny Galecki and Kaley Cuoco-Sweeting (Photo by Sonja Flemming/CBS via Getty Images)
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