- 2 beds
- 1 bath
- 710 sqft
- 7,501 sqft lot
- $1,957 per sqft
- 1906 build
- – on site
Outstanding development opportunity near Daly City BART. 421 San Diego Ave is being offered in tandem with 425 San Diego Ave. Zoned R-1A and situated on oversized lots, this site presents versatile options for multi-unit residential development. Construct two duplex buildings, each with an attached or detached Accessory Dwelling Unit (ADU) resulting in a 6 unit development. Possible paths include constructing two single-family homes, each with an attached or detached ADU (4 units total), or utilizing SB9 to create two detached single-family homes with attached ADUs maximizing potential up to 8 units (buyer to verify). Additional highlights: - Level lots simplify construction - No permits required for tree removal - Gas service has been removed for easier demolition - Existing structure may qualify for financing Ideal for developers or investors seeking flexibility, location, and long-term potential in one of Daly City's most commuter-friendly pockets.
Last checked:
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Last updated Jun 5, 2025
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MLS# 425040066 —
The Building
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Year Built:1906
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Year Built Source:Assessor Auto-Fill
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Basement:false
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Building Area Total:710
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Building Area Units:Square Feet
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Building Area Source:Assessor Auto-Fill
Interior
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Fireplace:false
Room Dimensions
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Living Area:710
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Living Area Units:Square Feet
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Living Area Source:Assessor Auto-Fill
Location
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Cross Street:Vista Grand
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Latitude:37.70270240000001
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Longitude:-122.4663355
The Property
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Parcel Number:003080590
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Property Type:Residential
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Property Subtype:Single Family Residence
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Lot Size Area:7501.032
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Lot Size Acres:0.1722
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Lot Size Square Feet:7501.032
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Lot Size Units:Square Feet
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Horse:false
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Irrigation Water Rights:false
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Elevation Units:Feet
Listing Agent
- Contact info:
- No listing contact info available
Beds
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Total Bedrooms:2
Baths
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Total Baths:1
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Full Baths:1
The Listing
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Home Warranty:false
The Community
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Senior Community:false
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Pool Private:false
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Association:false
Parking
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Garage:false
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Carport:false
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Open Parking:false
Monthly cost estimate

Asking price
$1,390,000
Expense | Monthly cost |
---|---|
Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$7,443
|
Taxes | N/A |
Insurance | $382 |
Utilities | $140 See report |
Total | $7,965/mo.* |
*This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Transit Score®
Provided by WalkScore® Inc.
Transit Score measures a location's access to public transit. It is based on nearby transit routes frequency, type of route (bus, rail, etc.), and distance to the nearest stop on the route. Transit Scores range from 0 (Minimal Transit) to 100 (Rider’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Sale history
Date | Event | Source | Price | % Change |
---|---|---|---|---|
6/4/25
Jun 4, 2025
|
Listed / Active | SFMLS | $1,390,000 |

83% of nearby similar homes sold for over asking price
Similar homes that sold in bidding wars went $167k above asking price on average, but some went as high as $730k over asking price.