409 Tilton Avenue, San Mateo, California 94401, San Mateo, 94401 - 5 bed, 3 bath
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San Mateo, California 94401
This Renovated Multigenerational Residence is a Prime Investment Opportunity, listed at $1,550,000—positioned well below the $1,613,219 Fair Market Value by 3%. This valuation gap offers $63,219 in Instant Equity for the incoming buyer. Boasting an Excellent Condition Rating, the property features a detached ADU, Chef’s Kitchen, and Solar Panels for energy efficiency. Located near San Mateo High School, this turnkey home balances lifestyle luxury with significant rental potential. It is perfectly suited for Owner-Occupants or multigenerational families.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 409 Tilton Avenue Subject | $1,550,000* List Price | 5 | 3 | 1,647 | $979 | - |
A 1300 2nd Avenue Sold | $1,621,000 | 4 | 3 | 1,513 | $1,071 | 0.6 mi |
B 808 Patricia Sold | $1,450,000 | 3 | 2 | 1,310 | $1,107 | 0.9 mi |
C 226 N Kingston Street Sold | $1,580,000 | 3 | 2 | 1,420 | $1,113 | 0.7 mi |
D 1519 Trollman Avenue Pending | $1,498,000 List Price | 4 | 4 | 1,610 | $930 | 0.7 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
Despite being built in 1902, the property has undergone a comprehensive high-end renovation within the last 5 years. It features a modern chef's kitchen with shaker cabinets and stone counters, fully updated contemporary bathrooms, new flooring, and upgraded systems including HVAC and solar panels. The addition of a brand-new detached ADU and mint-condition interior finishes meet the criteria for excellent condition.
The detached ADU provides a rare 'two-for-one' advantage, offering significant flexibility for rental income, a private home office, or multigenerational living in a high-demand market.
Equipped with solar panels and a full heating and A/C system, this property offers modern climate comfort and long-term utility savings that are often missing in older San Mateo homes.
The property boasts high connectivity, situated within walking distance to downtown San Mateo's dining and shopping, and offers easy access to major commute routes and top-rated schools.
Living area discrepancy between mls listing and other public or private record. mls listing living area = 1647, other record living area = 1140. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 5, other record bedroom count = 3.
With 5 bedrooms distributed across only 1,647 square feet, the individual room sizes and common areas may feel cramped for larger families or those accustomed to more spacious interiors.
The property utilizes tandem parking, which can be less convenient for multi-car households and may present logistical challenges compared to traditional side-by-side or garage parking.
**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
No exterior & parking available.
Grades K-5 • 1.0 mi
Grades K-5 • 1.2 mi
Grades K-5 • 1.3 mi
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 5.0 | 3.0 | 93% |
| Baths | 3.0 | 2.0 | 71% |
| Square foot | 1,647 | 1,346.5 | 71% |
| Lot Size | 5,000 | 5,521.5 | 36% |
| Price | $1.55M | $1.50M | 50% |
| Price per sq ft | $941 | $1.2K | 18% |
| Built year | 1902 | 1949 | 4% |
| HOA | $0 | $0 | 50% |
| Days on market | 37 | 156 | 4% |
Apr 18, 2026
$1,550,000
$1,290,000
+20% Price Increase
Initial Listing
Mar 16, 2026
$1,290,000
Initial Listing
Nov 15, 2013
$575,000
Public Record
Jul 27, 2009
$375,000
Public Record
Aug 8, 2007
$729,000
Public Record
Jun 13, 2005
$680,000
Public Record