Active listing in San Mateo, Santa Clara County. Convenient access to schools, parks, and Bay Area employment centers.
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5 Bed / 3 Bath / 1,647 sqft on 5,000 sqft Lot
Spec sheet at a glance. See full details below for interior, exterior, and lot features.
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Listed at $1.6M vs City Median $1.4M
$941/sqft compared to San Mateo avg $1,019/sqft (-7.6%).
Best fit forActive BuyersSan Mateo SearchersMove-Up / Move-In
About This Home
**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
Listing courtesy of KW Advisors · Cullinan Luxury MLS# ML82038813 · Data from MLSListings Inc.
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Property Details
Property Type
Single Family Residence
Year Built
1902
Bedrooms
5
Bathrooms
3 Full
Living Area
1,647 sqft
Lot Size
5,000 sqft
Garage
N/A
Price/sqft
$941
County
SanMateo
MLS Number
ML82038813
Status
Active
Stories
N/A
HOA
None
Interior Features
CentralForcedAir, WallFurnace
Exterior & Lot
Composition, Bitumen Roof0.11 Acres
Location
This HomeActivePendingSold
409 Tilton AVE, San Mateo, CA 94401 · SanMateo County
Market Context
Price Positioning
$Price context: Listed at $941/sqft vs San Mateo avg $1,019/sqft (7.6% below).
$Sale-to-list: San Mateo homes selling at 107.1% of asking.
⏲Velocity: City avg 33 days. This home: 60 days.
🏠Inventory:5 5-bedroom homes currently available in San Mateo.
Source: MLSListings Inc. Timothy Alston, Broker, DRE# 01328224.
Want to know what this home will actually sell for? Get a data-backed offer range based on recent comparable sales.
Straight from the MLS · Updated every 15 min
Timothy Alston
Broker · 15 years in San Mateo
The Listings Other Buyers See 6 Hours Late
Get a data-backed offer strategy for 409 Tilton AVE before the next showing window closes.
"Timothy showed us a home 4 hours after it hit the MLS. We toured that evening, offered by 9pm, and were in contract by Friday. Two other offers came in Saturday morning."
409 Tilton AVE is located in the EasternAdditionDowntownArea area of San Mateo, California. This 5-bedroom, 3-bathroom single-family home is listed for $1,550,000. Homes in EasternAdditionDowntownArea average $1,019 per square foot with an average of 33 days on market, making this one of the most actively watched markets in 94401.
5-Bedroom Homes for Sale in San Mateo 94401
Browse 5-bedroom single-family home listings in the EasternAdditionDowntownArea area of San Mateo. Properties in 94401 are currently averaging $1,019 per square foot with 33 days on market.
What to Expect When Buying in EasternAdditionDowntownArea
The EasternAdditionDowntownArea market in San Mateo features a mix of single-family home properties ranging from starter homes to luxury estates. Current inventory levels suggest moderate conditions for buyers in this area.
Listed at $1,550,000 ($941/sqft). San Mateo avg is $1,019/sqft, placing this 7.6% below. Comparable recent sales help frame the value.
Listed 60 days (as of March 16, 2026). San Mateo average is 33 days.
Est. $9,919/mo with 20% down ($310,000) at 6.75%. Includes principal & interest ($8,043), property tax ($1,615), and insurance ($262). HOA: None.
There are 125 active listings in San Mateo (5 are 5-bedroom). At $1,550,000 this is positioned against the city median of $1,420,000. Similar homes have sold at 107.1% of asking.
5-bedroom homes in San Mateo (94401) are currently averaging $1,019 per square foot. Market activity shows homes spending an average of 33 days on market in this area.
409 Tilton AVE in San Mateo is currently listed at $1,550,000. This 5-bedroom, 3-bathroom single-family home is located in the EasternAdditionDowntownArea area.
The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings MLS system. Real estate listings held by brokerage firms other than Aegis Luxury Real Estate are marked with the Internet Data Exchange icon (a stylized house) and detailed information about them includes the names of the listing brokers and listing agents.
Based on information from the MLSListings MLS as of the date shown. 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.
These statistics are generated using information from the MLSListings Inc. multiple listing service, but have not been verified and are not guaranteed. MLSListings Inc. disclaims any responsibility for the accuracy and reliability of these statistics. This information should not be relied upon for real estate transaction decisions.
Data updated every 15 minutes. Visit www.MLSListings.com for more information.
Information provided is for general informational purposes only. Equal Housing Opportunity. If you are currently working with a real estate agent, this is not intended as a solicitation.
Timothy Alston, Broker, DRE# 01328224, Aegis Luxury Real Estate, 10080 N. Wolfe Rd Ste SW3-200, Cupertino, CA 95014. (408) 207-4593.
Last updated: May 15, 2026 at 2:57 PM PT | Data reflects May 2026 MLS statistics
Aegis Luxury Real Estate
Timothy Alston · Broker · DRE #01328224 10080 N. Wolfe Rd, Ste SW3-200 · Cupertino, CA 95014 (408) 207-4593 · Timothy@AegisHomesRE.com
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