SFMOMA is closed until 2016 in order to make way for a massive Snøhetta-designed expansion that will triple the amount of gallery space at the museum. The new building has topped out, and exterior paneling is currently being tacked onto the structure's steel frame.

Ground has broken on the commercial development at 333 Brannan, which will be occupied by Dropbox. Construction is expected to last 18 months.

This 26-story office tower will include 8,600 square feet of public open space. The tower topped out in August.

Back in March, Belrich Partners held a groundbreaking ceremony for LuXe at 1650 Broadway in Pacific Heights. The seven-story building is the work of Forum Design, and will feature 34 condos. The building should be ready for occupancy by the end of 2015, with sales starting next spring.

555 Fulton is a new five-story mixed-use building with 139 dwelling units, a 29,200-square-foot grocery store, and 148 off-street parking spaces. Excavation has begun, and construction should wrap up in 2016.

181 Fremont will rise to 800 feet, and include a mix of office space, condos, and retail. It will also have direct access to Transbay Park, as well as stunning views of San Francisco Bay, though no affordable housing on the premises.

CPMC is building a 274-bed hospital on the site of the former Cathedral Hill Hotel. The project was in limbo for years, but is finally ready to go from vision to reality. Excavation is under way, and sections of the tower crane will begin going up next week.

The new rentals at Mosso SF are scheduled for completion later this year, and floor plans have appeared on the property's website. The development will include ground-floor retail and underground parking.

Construction is in full swing a six-story, 69-unit condo project at 388 Fulton Street in Hayes Valley. The building, designed by David Baker Architects, will feature a mix of studios, one-, and two-bedroom units. Construction should wrap up in late 2015.

At first glance, the UCSF Medical Center in Mission Bay looks finished. Alas, it won't open until 2015.

Solomon Cordwell Buenz's 400-foot tower at the corner of Fremont and Harrison will contain 452 447 units and 238 parking spaces. Construction is in full swing.

1100 Ocean Avenue, designed by Herman Coliver Locus Architecture, is a 5-story development sponsored by the Bernal Heights Neighborhood Center (BHNC) and Mercy Housing California (MHC). All of the building's 45 units will be below-market-rate, with 19 reserved for formerly homeless youth.

Formerly a 76 gas station, 2175 Market will bring new housing units to transit-heavy Market Street. It will include 88 one- and two-bedroom units spread out over six stories. The development will also add 7,300 square feet of ground floor-retail along Market.

Designed by SOM, 350 Mission Street will be occupied by Salesforce.com, on the site of the former Heald College building. The glazing has risen about halfway up the building.

Block 13E will bring 150 affordable housing units and 11,000 square feet of retail space to Mission Bay.

A Hampton Inn is replacing a former adult film studio on Mission. The building has topped out, and should open by next year.

Developer Patrick Kennedy's 11-story micro-unit apartment building will contain 160 units, 3,359 square feet of retail, and 240 bicycle parking spaces.

SF General's new $900 million building will add 284 beds to the aging hospital. From the exterior, the project looks nearly finished, but it won't officially open until early 2015.

At 13 stories, 101 Polk will contain 162 units and 51 parking spaces. Excavation is proceeding rapidly, and the tower should start rising above street level by the end of the year. The building will open in 2016.

Lincoln Property Co. is developing a 19-story tower in the northern Financial District. The Heller Manus-designed building will include open floor plans, a lobby inserted into the rehabbed historic Mining Exchange Building, as well as a roomy rooftop deck complete with wind-slashing glass walls.

The HOK-designed Public Safety Building in Mission Bay is fully clad in glass and looking more like the renderings each and every day. The building is seeking LEED Gold certification.

Kaiser is building a 264,000-square-foot medical office building designed by STUDIOS Architecture in Mission Bay. Construction should wrap up in late 2015.

Crescent Heights' 45 Lansing Street condo high-rise now towers above Rincon Hill. The HKS-designed building will contain 320 units and 265 parking spaces. Amenities will include a theatre room and pool. Construction should wrap up by late 2015.

A 32-floor tower and adjacent mid-rise are being built in the heart of the Transbay Redevelopment Area. The Solomon Cordwell Buenz-designed development will feature 406 luxury residential units and 147 units of affordable housing.

Handel Architects' 340 Fremont tower will feature 348 units, 269 parking spaces, and a rooftop terrace with killer views. Construction is moving full steam ahead, and the tower should start peeking above street-level by the end of the year.

Construction has begun at 350 8th Street, a 410-unit apartment complex in SoMa. The development includes apartments, two-story townhomes and lofts, as well as a community lounge a dog run and a conference center The first units will be ready for occupancy in November 2015.

A new 69-unit residential tower is on the rise at the corner of Bush and Franklin. The project will include ground-floor retail and two levels of underground parking. Sales are set to begin in summer 2015.

The former Giant Value store on Mission has been transformed into a development containing 114 one- and two-bedroom units, along with 89 parking spaces. The facade has recently been assembled, and the building looks nearly finished—though it's going to need some new storefront windows.

Crews are hard at work building a 182-unit residential development spread out over four buildings on the former site of the popular Hayes Valley Farm.

Fougeron Architecture designed this 34-unit residential building on Central Freeway Parcel H. The development will be built around a lush central courtyard, and will feature a café on its ground floor.