1515 Union Street 4B, San Francisco, CA 94123

• 2 beds |
• 2 baths |
• 1,247 sqft

Property Description

Experience elevated living in Residence 4B at Union House: currently the only 2-bedroom, 2-bath luxury condominium available for sale in one of San Francisco's most coveted boutique buildings. Ideally located at the crossroads of Pacific Heights, Cow Hollow, Russian Hill, and the Marina, this refined 1,250 sq ft unit combines elegant design with modern comfort. Filled with natural light, the home features soaring ceilings and oversized picture-frame windows that showcase sweeping city views including direct views of the Golden Gate Bridge and Palace of Fine Arts. European wide-plank oak flooring, custom millwork, and premium finishes create an atmosphere of timeless sophistication. The gourmet kitchen impresses with Miele appliances, marble countertops, and a generous island that opens to a spacious family room perfect for entertaining. The expansive primary suite boasts a spa-like bath with double vanities and a large walk-in closet. A second bedroom, stylish guest bath, laundry room, and ample storage complete the offering. Built in 2020 with only 41 residences and a full time lobby attendant, Union House is a rare opportunity for luxurious city living in an unbeatable location.

Listing Status:

Active

Date Added:

April 28, 2026

Data Last Updated:

May 30, 2026 at 7:31AM

Listing Office:

Compass : 415-660-9955

Listing Agent:

David S Costello : (415) 828-8122

MLS ID:

426125930

Interior

• Appliances: Built-In FreezerBuilt-In Gas OvenBuilt-In Gas RangeBuilt-In RefrigeratorDishwasherDisposalENERGY STAR Qualified AppliancesGas Cook TopGas Water HeaterHood Over RangeIce MakerPlumbed For Ice MakerSelf/Cont Clean OvenWine Refrigerator
• Laundry: Dryer IncludedElectricInside RoomLaundry ClosetStacked OnlyWasher IncludedWasher/Dryer Stacked Included
• Basement: None
• Flooring: MarbleWood
• Fireplace: Fireplaces: 0

Exterior

• General: Built-In Barbeque
• Style: ContemporaryModern/High Tech
• Parking: AttachedEnclosedEV ChargingGarage Door OpenerParking spaces: 1

Construction

• Roofing: CompositionFlat
• Windows: Window Coverings
• General: ConcreteMetalOneConcreteConcretePerimeterSlab

Location

• Road/Access: AsphaltPaved
• HOA Amenities: Roof DeckEarthquakeInsuranceMaintenanceExteriorSecuritySewerTrashWater2088.0
• Originating MLS: San Francisco
• County: San Francisco

Lot

• Zoning: 0546085
• View: BayCityCity LightsGolden Gate BridgePanoramicSan FranciscoWater
• Fencing: None

Utilities

• Utilities: Cable AvailableInternet AvailablePublicSewer ConnectedSewer Connected & PaidUnderground Utilities220 Volts
• Water: Meter on SitePublicWater District

Financial

• Source: San Francisco