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.

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 sq. ft. of ground floor retail along Market.

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

The former office tower at 100 Van Ness is being renovated to house 399 new residences. The building will feature a roof deck, ground floor retail and a new glass façade.

SFMOMA is closed until 2016 in order to make way for a massive expansion that will triple the amount of gallery space at the museum.

This HOK-designed, 27-story tower clocks in at 378 feet. Trulia will occupy a portion of the new building.

Come 2017, The Transbay Terminal will provide space for bus services, to be joined later by Caltrain and High Speed Rail. The Terminal will also include retail space and a public park on its roof.

Scheduled for completion later this year, Stanley Saitowitz's 1501 15th comprises 40 residential units and 39 parking spaces.

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.

Construction on the latest UCSF Academic building is well underway and should be done by 2015.

New Stanley Saitowitz-designed condos are on the way at 8 Octavia, on a former central freeway parcel. The development has topped out, which means the 47 one-and two-bedroom condos over ground-floor retail will be opening soon.

Crews are busy adding cladding to Mosso SF's concrete façade. The project's completion is scheduled for late 2014. The development will include ground floor retail and underground parking.

AVA will bring new rentals and retail space to a previously desolate stretch of 9th street in the city's Mid-Market neighborhood.

The Linea residential development will open by the end of the year. It will feature 59 one-bedroom and 54 two-bedroom units, as well as ground floor retail and parking.

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

350 Mission street will be occupied by Salesforce.com and is rising on the site of the former Heald College building. Crews are hard at work pouring concrete for the third floor.

This 15-floor tower will contain 190 below market-rate units. Concrete for the building's foundation have been poured, meaning the tower will start rising shortly.

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

This 11-floor micro-unit apartment building will contain 160 units, 3,359 sq. ft. of retail and 240 bicycle parking spaces.

SF General's $900 million new building will add 284 beds to the aging hospital. The project should be finished in early to mid-2015.

Tishman Speyer broke ground on Lumina last June. Today, the 655-unit condo development is about to reach street level.

In the Lower Haight, crews are hard at work building a new 440-unit housing complex. There will be 110 apartments reserved for LGBT seniors.

Crescent Heights' 45 Lansing Street condo tower is slowly creeping above street-level. The HKS-designed building will contain 320 units and 265 parking spaces. Amenities will include a theatre room and pool.

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.

1645 Pacific is topped out and will soon be ready for its close-up. The luxury residential development will feature 39 residences, as well as new retail space.

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 2 levels of underground parking. Sales are set to commence in Summer of 2015.

At 10th and Mission, a 14-story Heller Manus-designed tower is one the rise. It will bring 99 market rate and 18 below market-rate units to the rapidly changing Mid-Market neighborhood.

Crews are hard at work building a 182-unit residential development spread out over 4 separate buildings on the former site of the wildly-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 cafe on its ground floor.

Equity Residential and Nibbi Construction are building a 16-story tower above a 5-story podium in Mission Bay. The building will feature 273 one- and two-bedroom units, and 273 parking spaces. Completion is expected in March of 2015.