This duplex-style Millbrae home offers an exceptional investment opportunity in a highly desirable location. Ideally situated near top-rated schools, parks, shopping, dining, public transportation, SFO airport, etc. This well-maintained property features two fully independent living spaces, perfect for owner-occupants, extended families, multi-generational living, or savvy investors. The upper unit includes 3 bedrooms / 1.5 bathrooms, while the lower unit offers 2 bedrooms / 1 bathroom, each with its own kitchen, living area, & private entry. The flexible layout provides strong rental income potential or the ability to live in one unit while renting the other. Located in a walkable neighborhood with easy access to BART, Caltrain, and major freeways, residents enjoy the best of suburban comfort and urban convenience. This home offers unlimited potential to make it truly your own, featuring a well-designed floor plan that provides both flexibility and functionality. Large windows allow for lots of light. The spacious backyard is a true highlight, featuring both a generous patio & a wide lawn area. Whether you're looking to expand your investment portfolio or secure a flexible living arrangement, this duplex-style home is a standout opportunity in Millbrae's competitive market.
For sale
$1,278,000
31 Spruce St, Millbrae, CA 94030
5beds
2,156sqft
Est.:
Single Family Residence,
Built in 1958
3,993 Square Feet Lot
$1,302,300 Zestimate®
$593/sqft
$-- HOA
What's special
Spacious backyardFlexibility and functionalityLarge windowsWide lawn areaGenerous patioWell-designed floor plan
- 1 day
- on Zillow |
- 679 |
- 30 |
Zillow last checked: 7 hours ago
Listing updated: August 08, 2025 at 06:02am
Listed by:
Stanley Lo 00874415 650-373-0007,
Green Banker Realty
Source: MLSListings Inc,MLS#: ML82017449

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Open house
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Dining room
- Features: DiningArea, Other
Family room
- Features: Other
Heating
- Gas
Cooling
- None
Features
- Fireplace features: Living Room
Interior area
- Total structure area: 2,156
- Total interior livable area: 2,156 sqft
Property
Parking
- Total spaces: 2
- Parking features: Attached
- Attached garage spaces: 2
Features
- Stories: 2
- Patio & porch: Balcony/Patio
- Exterior features: Back Yard
Lot
- Size: 3,993 Square Feet
Details
- Parcel number: 021302270
- Zoning: R20000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence,
Materials
- Foundation: Slab
- Roof: Other
Condition
- New construction: No
- Year built: 1958
Utilities & green energy
- Gas: PublicUtilities
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Public Utilities, Water Public
Community & HOA
Location
- Region: Millbrae
Financial & listing details
- Price per square foot: $593/sqft
- Tax assessed value: $312,605
- Annual tax amount: $5,667
- Date on market: 8/8/2025
- Listing agreement: ExclusiveRightToSell
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