Tower views and door staff, with only 114 neighbors.
Blu is a 21-story glass tower at 631 Folsom Street, designed by Handel Architects and finished in 2009. Its 114 homes are mostly two-bedrooms, many with views across SoMa toward the bay and downtown.
Recent Sales
Last 12 months · Oct 14, 2025 – Oct 13, 2026
- Sales
- 4
- Median price
- $1,385,000
- Median $/sq ft
- $1,210
- Median days on market
- 26
Condo sales at Blu reported to the San Francisco MLS, including off-MLS sales; known below-market-rate (BMR) sales excluded. Updated monthly; deemed reliable but not guaranteed. Want to know what a specific home here is worth? Ask us.
VIP Insiders see every sale here, unit by unit →Quick Facts
- Street address: 631 Folsom St, San Francisco, CA 94107
- Built: 2009
- Homes: 114
- Stories: 21
- Architect: Handel Architects
- Parking: Garage
- Sizes: ≈ 900 - 2620 sq ft
Amenities
- Door staff
- Secure building
- BBQ area
- Garage parking
- City and bay views from the upper floors
The Good
- Boutique tower: door staff and views with only 114 homes.
- Mostly two-bedroom layouts, a rarity downtown.
- Moscone Center, SFMOMA and Yerba Buena Gardens are a block or two away.
- Fewer sales than the big towers, so a well-priced home here stands out.
The Tradeoffs
- Lighter on amenities than the big towers.
- Folsom Street traffic and SoMa street life.
- Fewer sales make pricing a specific home more of a judgment call.
Who It's For
Buyers who want a two-bedroom with views and a staffed lobby, without living in a 400-unit tower.
The Backstory: A Small Tower in a Big Neighborhood
Blu was designed by Handel Architects, the same firm behind Millennium Tower, and completed in 2009 as SoMa’s condo boom crested. Its blue-glass facade is a landmark on Folsom Street.
Floor Plans
Most homes are two bedrooms between about 900 and 1,300 square feet, with larger three-bedroom penthouses above. VIP Insiders: floor plans and building documents are at the bottom of this page as we add them.
HOA Dues
Dues at Blu vary by home size and change with each year's budget, so we don't publish a number that could be out of date by the time you read it. Ask us for the current dues on any home here and we'll send them along with the latest budget, reserve study and any special assessments. Call or text (415) 416-4699 or email fullerteam@compass.com.
Parking, Transit & Getting Around
Montgomery Street BART and Muni are a short walk, the Central Subway stops at Yerba Buena/Moscone, and the Bay Bridge on-ramps and I-80 are a few blocks away. Parking is in the building garage.
Blu Questions, Answered
How many homes are in Blu?
114, in a 21-story tower.
What size are homes at Blu?
Mostly two-bedroom homes of roughly 900 to 1,300 square feet, plus larger penthouses.
What is near Blu?
Moscone Center, SFMOMA, Yerba Buena Gardens and the restaurants of SoMa are within a few blocks.
What are the HOA dues at Blu?
Dues vary by home size and change with each annual budget. Ask us for the current numbers on a specific home, along with the budget and reserve study.