490 Post Street #804 - Main photo
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$738,000ActiveDays on Market 111

490 Post Street #804

San Francisco, CA 94102· Downtown

907 sqft$814/sqft

Key Details

Square Feet

907

Year Built

1925

Stories

17

Lot Size

18,906 sqft (0.43 ac)

Type

Office

About This Property

Prime Union Square office condo w downtown views. Ideally located in the heart of Union Square, this well-maintained vacant office condominium offers an efficient versatile floor plan suitable for a variety of professional uses. The suite features 4 private offices, conference room w separate entrance, an entry foyer/reception area, central hallway connecting the offices, a kitchen, private restroom & dedicated storage room with 220V electrical that may also accommodate laundry equipment. Large windows provide excellent natural light & impressive downtown views. The layout is well suited for traditional office, professional services, medical, dental, wellness, or consulting uses. Existing plumbing infrastructure remains in the individual office suites from prior medical/dental occupancy, o...

Property Information

Property TypeOffice
Year Built1925
Stories17
Living Area907 sqft
Lot Size18,906 sqft (0.43 ac)
NeighborhoodDowntown
CountySan Francisco
Cross StreetMason St
OccupancyVacant
APN0296070
MLS#426138218
StatusActive
Days on Market111

Facts & Features

Interior

FlooringCarpet
SecuritySmoke Detector(s)
CoolingNone
HeatingRadiant
AccessibilityWheelchair Access

Exterior & Lot

Lot FeaturesBART Nearby, City Lot, Hotel/Motel Nearby, Professional Complex, Near Public Transit, Restaurant Nearby, Shopping Nearby
Lot Size18,906 sqft (0.43 ac)

Utilities

SewerPublic Sewer

Building & Zoning

Current UseOffice
Building FeaturesElevator(s), Multiple Tenant Building, Other Restroom Facilities

Property History

DateEventPrice
Jun 12, 2026Active
Jun 1, 2026Listed$780,000

Getting Around

99

Walk

Walker's Paradise

100

Transit

Rider's Paradise

76

Bike

Very Bikeable

Scores by Walk Score

Public Records

Assessed Value$995,835
Current Taxes (est.)$11,751 / yr
Taxes at This Price (est.)$8,708 / yr
Last Sale (public record)2021-06-01
Assessor UseOffice - Condominium
Building Area (assessor)907 sqft
Year Built (assessor)1925
Flood ZoneFEMA Zone X (minimal hazard)

Sources: San Francisco Assessor-Recorder secured roll; FEMA National Flood Hazard Layer. Tax estimates use the citywide secured rate and exclude parcel taxes and exemptions.

Schools

Nearby Public Schools

Elementary (K-5)Lau (Gordon J.) Elementary · 0.4 mi
Elementary (K-5)Redding Elementary · 0.5 mi
Middle (6-8)Francisco Middle · 1.1 mi
Middle (6-8)Gateway Middle (charter) · 1.6 mi
High (9-12)Five Keys Independence HS (SF Sheriff's) (charter) · 0.9 mi
High (9-12)Life Learning Academy Charter (charter) · 1.2 mi

SFUSD enrollment is choice-based; schools shown by distance for reference, not assignment. Source: California Department of Education directory.

Location

Neighborhood: Downtown

Directions: Mason St to Post St. There is a public parking garage @ 520 Mason Street, San Francisco, CA 94102.

Chris Chour

Chris Chour

Broker / Owner

EON Real Estate

MLS# 426138218

Listed by Robert B Collett, DRE #01987866 · Berkshire Hathaway Drysdale Properties

Data courtesy of SFAR MLS via Bridge Data Output. Information deemed reliable but not guaranteed.