---
listing_id: ML81990941
status: Closed
price: 1500000
beds: 0
baths_full: 0
baths_half: 0
sqft_living: 4596
sqft_lot: 7000
lot_acres: 
year_built: 1933
property_type: Residential Income
property_subtype: Duplex
address: "Grand Ave"
city: South San Francisco
state: CA
zip: 94080
county: "San Mateo County"
lat: 37.658198
lng: -122.422431
days_on_market: 440
hoa_fee: 
hoa_frequency: 
garage_spaces: 2
list_agent: "Steven Karp"
list_office: "California Realty"
list_agent_phone: "(650) 861-2292"
list_agent_license: 00809114
mls_source: MLSL
modified: 2026-01-30
transaction_type: recentlySold
---

Home | San Mateo County | South San Francisco | 94080 | Grand Ave

Grand Ave, South San Francisco, CA 94080

MLS: ML81990941 | Status: Sold | Price: $1,500,000
Beds/Baths: – / –
Property Type: Residential Income

Quick Facts

Beds Baths Sq Ft Sq Ft Lot Yr Built
4,596 7,000 1933

Remarks

This is your opportunity to transform this property into something truly unique. Located in Old South San Francisco, this rare find offers two distinct single-family homes on one lot, providing endless possibilities for investors, contractors, flippers, or families. Nestled in the iconic Old South San Francisco, this property is steps away from vibrant downtown; amenities, including restaurants, shops, and the bustling business district. 1/2 a mile from Sign Hill Park; Convenient access to SSF BART, CalTrain stations, major commute routes, and San Francisco International Airport (SFO). 670 Grand Avenue features a spacious 2-bedroom, 2-bathroom layout with an open floor plan, a fireplace, and a eat-in kitchen. The finished basement provides additional living areas, storage space, and the home includes an attached one-car garage with a laundry area. 671 4th Lane offers a flexible living arrangement with ground-level living areas and a separate rear entry, making it ideal for rental potential or private use. Please note that the property is being sold strictly as-is. Buyers are encouraged to conduct due diligence to verify square footage, usage, and property status, as well as to consult the City of South San Francisco regarding building requirements and zoning options.

MLS Listing Information

Field Value
MLS # ML81990941
MLS Source MLSListings, Inc.

Features

Interior Features

Feature Details
Cooling None
Heating Gas

Exterior Features

Feature Details
Roof Rolled/Hot Mop
Foundation Combination

Parking, School, and Other Information

Feature Details
Garage/Parking Attached Garage, Garage: 2 Car(s)
Elementary District South San Francisco Unified
High School District South San Francisco Unified
Water Public
Zoning RM0000

Contact Information

Steven Karp
California Realty
License #: 00809114
Phone: (650) 861-2292

Property Units

# Buildings # Leased Units # Total Units
2 0 2

Unit Details

Unit # Sq Ft Beds Baths Rent
1 2 1/1
2 2 1/1

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Spruce Elementary School public K-5 0.38 mi 4
Parkway Heights Middle School public 6-8 0.50 mi 2
Community Day public 6-12 0.52 mi N/A
Los Cerritos Elementary School public K-5 0.55 mi 1
Martin Elementary School public K-5 0.75 mi 1
South San Francisco High School public 9-12 0.85 mi 8
Sunshine Gardens Elementary School public K-5 0.91 mi 6
Baden High (Continuation) School public 9-12 0.93 mi 2
South San Francisco Adult public UG 0.94 mi N/A
Ponderosa Elementary School public K-5 1.04 mi 6
El Camino High School public 9-12 1.23 mi 10
Buri Buri Elementary School public K-5 1.28 mi 7
Alta Loma Middle School public 6-8 1.53 mi 4
Brisbane Elementary School public K-5 2.01 mi 7
Lipman Middle School public 6-8 2.08 mi 7
Monte Verde Elementary School public K-5 2.20 mi 8
Westborough Middle School public 6-8 2.32 mi 4
Allen (Decima M.) Elementary School public K-5 2.36 mi 5
Skyline Elementary School public K-5 2.39 mi 8
Belle Air Elementary School public K-5 2.49 mi 2

Disclosures

©2026 MLSListings Inc. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from MLSListings Inc.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of January 30, 2026. For the most current information, please contact Steven Karp, (650) 861-2292.