We're feeling celebratory here at Curbed, and boy do we love our maps, so we thought we'd kick off the first week of April with a spotlight on our cities centenarians. Though not the oldest city in the country, we certainly have our fair share of old timers, and all 13 of these are celebrating their 100th birthday in 2013
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13 San Francisco Buildings That Turn 100 in 2013

Mission Dolores Basilica
Architect: Frank T. Shea and John O. Lofquist
Old use: Catholic church
Current use: Catholic church
Notes: Sits next to the historic Mission Dolores adobe building. Decoration of the basilica continued for 15 years, influenced by the Spanish Colonial Revival designs exhibited at San Diego's Panama-California Exposition in 1915.
Spreckels Mansion
Architect: Macdonald and Applegrath
Old use: private residence
Current use: private residence
Notes: Originally sugar mogul Adolph and Alma Spreckels mansion. After Alma’s death, the mansion was divided into four units until Danielle Steele purchased the property and restored it to a single family residence
Flatiron Building
Architect: Havens & Toepke
Old use: office with retail
Current use: office with retail
Notes: One of the few examples of flatiron buildings in San Francisco, as many of the earlier examples were destyped by the 1906 Earthquake and Fire.
Garcia & Maggini Warehouse
Architect: Alvin E. Hornlein
Old use: Dried fruit warehouse
Current use: Restaurant, office, retail
Notes: Site of clash between longshormen and business owners during the 1934 strike, involving a 5-hour bloody battle, eventually leading to the organized labor and unionism.
Notre Dame des Victoires Church
Architect: Louis Brochoud
Old use: church
Current use: church
Notes: A previous chuch once stood on the site, but was destroyed by the 1906 Earthquake and Fire.
St. Francis of Assis Church
Architect: unknown
Old use: Roman Catholic church
Current use: shrine
Notes: First Roman Catholic church in SF was built on the site in 1849. The church closed in 1994, but was converted into a national shrine dedicated to St. Francis of Assisi, to be operated by the Franciscan friars.
City Hall
Architect: Arthur Brown Junior
Old use: city hall
Current use: city hall
Notes: Construction started in 1913, after an earlier City Hall that was completely destroyed during the 1906 earthquake.
St. Joseph's Roman Catholic Church
Architect: John Foley
Old use: Roman Catholic Church
Current use: Future office space?
Notes: Replaced an earlier church dating to 1865 that burned down in the 1906 Earthquake and Fire. There are current proposals to convert it to office space.
Belt Railroad Engine House and Sandhouse
Architect: Unknown
Old use: Roundhouse
Current use: Offices
Notes: Built to service the Beltline Railroad system along the Embarcadero. It's since been converted into offices.
E.C. Young House
Architect: Bernard Maybeck
Old use: private residence
Current use: private residence
Notes: Half-timber house in Forest Hill
Insurance Exchange Building
Architect: Willis Polk
Old use: Office
Current use: Office
Notes: An example of the City Beautiful Movement, it sits near Polk's Merchant's Exchange Building.
Catherine Hooker House
Architect: Willis Polk
Old use: private residence
Current use: private residence
Notes: Willis Polk was commissioned by Catherine Hooker to build this massive estate facing the Presidio, patterned on palazzos she had seen in Italy.
Masonic Temple
Architect: Bliss & Faville
Old use: Masonic temple
Current use: offices; theater
Notes: Originally constructed as a Masonic temple for the fraternal order, complete with auditorium, lodge rooms, and drill rooms in the basement. Now it houses several San Francisco government offices (including the San Francisco Arts Commission and the San Francisco Ethics Commission) and the New Conservatory Theatre.
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