$1,999,999 422-426 Peninsula AVE, San Mateo 0 bd · 0 ba · 3,456 sqft
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HomeHomes for SaleSan Mateo › 422-426 Peninsula AVE
27 photos · MLS data verified July 19, 2026 · Updated every 15 min
$1,999,999 Active
0 Beds·0 Baths·3,456 sqft·5,745 sqft lot·Built 1954
422-426 Peninsula AVE, San Mateo, CA 94401
Listed 254 days ago · November 7, 2025  |  MLS# ML82027074
$578/sqft -38% vs San Mateo avg
What this means: Priced below the San Mateo per-sqft average. Compare to recent sales below for context.
Est. $12,723/moP&I $10,378 · Tax $2,083 · Insurance $262 · HOA $0Assumes 20% down ($400,000) at 6.75% · Contact Timothy for a lender referralAegis Luxury Real Estate is a licensed California real estate brokerage (DRE# 01328224) and is not a mortgage lender, mortgage broker, or loan originator. The figures shown are estimates for general reference only and do not constitute a loan offer, pre-approval, pre-qualification, or commitment to lend. Estimates use the applicable county average property tax rate of 1.25% of home price annually. Actual rates, payments, taxes, and insurance vary by lender and borrower qualifications. Contact Timothy for a referral to one of our preferred lending partners.
99Active in San Mateo
29Active in 94401
22Avg DOM
$934Avg $/SqFt
106.0%Sale-to-List
1.2 moInventory
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Why This Home Stands Out

📍
San Mateo Location
Active listing in San Mateo, Santa Clara County. Convenient access to schools, parks, and Bay Area employment centers.
🏠
0 Bed / 0 Bath / 3,456 sqft on 5,745 sqft Lot
Spec sheet at a glance. See full details below for interior, exterior, and lot features.
💰
Listed at $2.0M vs City Average $1.5M
$578/sqft compared to San Mateo avg $934/sqft (-38.0%).
Best fit forActive BuyersSan Mateo SearchersMove-Up / Move-In

About This Home

Office building permissible for preschool, school, medical, lab, wide variety of purposes including 3 residential, new housing dev. Use as triplex requires adding showers, other improvements. For Lease or Sale. Reception, 9 Private Offices, 1 Large Conference Room, 3 x 2 Restrooms, Break Room, Outdoor Patio 1/2 mile, Walking Distance to Burlingame Caltrain. Zoning Summary: Administrative, executive, and professional offices, provided that the professional offices are limited to those professions listed in Section 5.24.160: accountant, appraiser, architect, assayer, attorney, auditor, bacteriologist, certified public accountant, chemist or laboratory specialist or operator, chiropodist, chiropractor, civil engineer, dental laboratory specialist or operator, dentist, electrical engineer, geologist, hydraulic engineer, medical laboratory specialist or operator, oculist, optician, optometrist, osteopath, physician, structural engineer, surgeon, surveyor, and veterinarian (check for kennel). Retail of goods and services, Restaurants, Health and recreation, Schools, day care, Financial, business offices, laboratories. Warehousing, storage, and distribution. Residential, R3 multi-family. Special Uses: clubs, hotels, religious, kennel, community center, schools.
MLSListings IDX
MLS ID #ML82027074, Alexander Kent. Listing provided by Compass · MLSListings Inc.
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Property Details

Property Type
Triplex
Year Built
1954
Bedrooms
0
Bathrooms
0 Full
Living Area
3,456 sqft
Lot Size
5,745 sqft
Garage
N/A
Price/sqft
$578
County
SanMateo
MLS Number
ML82027074
Status
Active
Stories
N/A
HOA
None

Interior Features

ForcedAir

Exterior & Lot

TarGravel Roof0.13 Acres

Location

This HomeActive ListingNew (3 days or less)Price ReducedOpen HouseSold
422-426 Peninsula AVE, San Mateo, CA 94401 · SanMateo County

Market Context

Price Positioning
$ Price context: Listed at $578/sqft vs San Mateo avg $934/sqft (38.0% below).
$ Sale-to-list: San Mateo homes selling at 106.0% of asking.
Velocity: City avg 22 days. This home: 254 days.
🏠 Inventory: 0 0-bedroom homes currently available in San Mateo.
Source: MLSListings Inc. Timothy Alston, Broker, DRE# 01328224.
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Timothy Alston
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Market Snapshot

$1,454,618Average Price+7.4% vs Last Year
22Avg DOM-12.0 days vs Last Year
99Active Listings+17.9% vs Last Year
106.0%Sale-to-List+3.7% vs Last Year
Full Market Snapshot →
Timothy Alston
Timothy Alston
Broker · DRE# 01328224
Aegis Luxury Real Estate
(408) 207-4593[email protected]
For Homeowners

What would your San Mateo home sell for today?

Homes in San Mateo are selling at 106.0% of asking in 22 days.

106.0%Sale-to-List
22Avg Days
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EasternAdditionDowntownArea in San Mateo, California (94401) continues to attract significant buyer interest. 422-426 Peninsula AVE, a 0-bedroom home with 3,456 square feet of living space, is listed for $1,999,999. The surrounding market reflects strong demand for properties in this price segment.

0-Bedroom Homes for Sale in San Mateo 94401

Browse 0-bedroom home listings in the EasternAdditionDowntownArea area of San Mateo. Properties in 94401 are currently averaging $934 per square foot with 22 days on market.

What to Expect When Buying in EasternAdditionDowntownArea

The EasternAdditionDowntownArea market in San Mateo features a mix of home properties ranging from starter homes to luxury estates. Current inventory levels suggest active conditions for buyers in this area.

Recently Sold in San Mateo

Closed within 6 months · 0 bed / similar sqft · San Mateo 94401

324 Catalpa ST 206
Sold $325,000
0 bd · 1 ba · 390 sqft
$833/sqft · 0.9% below list
Closed May 29, 2026 · 41 days on market
MLSListings IDXMLS ID #ML82039342, Maria Yang. Listing provided by Maxreal · MLSListings Inc.
Source: MLSListings Inc. Closed sales data.
For Homeowners

Your neighbors are selling. Should you?

In June 2026, 82 homes sold in San Mateo at an average of $2,123,477. The average sale closed at 106.0% of asking price.

82Sold (June 2026)
$2,123,477Average Sale Price
106.0%Sale-to-List
Timothy
What happens when the right home lists and nobody knows you are looking for it?
In San Mateo, Data pending new listings hit the MLS this week. By the time most search sites update, the window has already narrowed.
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Nearby San Mateo Homes for Sale View All 96 →

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San Mateo Market Overview Full Stats →

$2,123,477Avg Sale Price+7.4% vs Last Year
22Avg DOM-12.0% vs Last Year
99Active Listings
106.0%Sale-to-List
$934Price/sqft
1.2Months Inventory
82Closed (Last Mo)
Data pendingNew Listings/Mo
Source: MLSListings Inc. · July 2026

Frequently Asked Questions

Listed at $1,999,999 ($578/sqft). San Mateo avg is $934/sqft, placing this 38.0% below. Comparable recent sales help frame the value.
Listed 254 days (as of November 7, 2025). San Mateo average is 22 days.
Est. $12,723/mo with 20% down ($400,000) at 6.75%. Includes principal & interest ($10,378), property tax ($2,083), and insurance ($262). HOA: None. Aegis Luxury Real Estate is a licensed California real estate brokerage (DRE# 01328224) and is not a mortgage lender, mortgage broker, or loan originator. The figures shown are estimates for general reference only and do not constitute a loan offer, pre-approval, pre-qualification, or commitment to lend. Estimates use the applicable county average property tax rate of 1.25% of home price annually. Actual rates, payments, taxes, and insurance vary by lender and borrower qualifications. Contact Timothy for a referral to one of our preferred lending partners.
There are 99 active listings in San Mateo (0 are 0-bedroom). At $1,999,999 this is positioned against the city average of $1,454,618. Similar homes have sold at 106.0% of asking.
0-bedroom homes in San Mateo (94401) are currently averaging $934 per square foot. Market activity shows homes spending an average of 22 days on market in this area.
422-426 Peninsula AVE in San Mateo is currently listed at $1,999,999. This 0-bedroom, 0-bathroom home is located in the EasternAdditionDowntownArea area.

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MLSListings IDX

Property Information © 2026 MLSListings Inc. All rights reserved. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, MLSListings Inc.

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 Jul 19, 2026 4:00 PM PT. 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: Jul 19, 2026 4:00 PM PT | Source: MLSListings Inc.

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