**TRANSPARENT PRICING** Welcome to 409 Tilton Avenue, a beautifully updated property offering space, flexibility, and income potential. With a detached ADU, this unique property features a total of 5 bedrooms and 3 bathrooms, making it ideal for multigenerational living, extended family, or buyers looking for a smart investment opportunity. The main home and ADU are designed to feel connected while still offering privacy, giving you options for how you live, work, or host. Set in a well-connected San Mateo neighborhood, The Two-for-One Advantage on Tilton is close to parks, local markets, cafés, restaurants, shopping, schools, and major commute routes. With two homes on one lot, energy-saving features, and versatile living options, this property delivers a rare combination of practicality, comfort, and long-term value. Updated Residence with Detached ADU | 5 Bedrooms | 3 Bathrooms | 1,647 +/- SQ FT | Flexible Two-Home Living | Primary Ensuite with Stall Shower | Chefs Kitchen | Modern Flooring | Heating and A/C | Multiple Spacious Patio Areas | Solar Panels | Tandem Parking | Multigenerational Living or Rental Income Potential | Convenient Location
Property Details
Price:
$1,550,000
MLS #:
ML82038813
Status:
Active
Beds:
5
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Mar 16, 2026
Finished Sq Ft:
1,647
Lot Size:
5,000 sqft / 0.11 acres (approx)
Year Built:
1902
See this Listing
Schools
School District:
Other
Interior
Appliances
DW, GD, MW, RF, ES, EO, HOD
Bathrooms
3 Full Bathrooms
Cooling
CA
Heating
WL, CF
Laundry Features
DINC, WINC
Exterior
Common Walls
NCW
Roof
CMP, BIT
Financial
Map
Community
- Address409 Tilton AV San Mateo CA
- CitySan Mateo
- CountySan Mateo
- Zip Code94401
Market Summary
Current real estate data for Single Family in San Mateo as of Apr 20, 2026
132
Single Family Listed
59
Avg DOM
991
Avg $ / SqFt
$1,869,644
Avg List Price
Property Summary
- 409 Tilton AV San Mateo CA is a Single Family for sale in San Mateo, CA, 94401. It is listed for $1,550,000 and features 5 beds, 3 baths, and has approximately 1,647 square feet of living space, and was originally constructed in 1902. The current price per square foot is $941. The average price per square foot for Single Family listings in San Mateo is $991. The average listing price for Single Family in San Mateo is $1,869,644.
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409 Tilton AV
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