4-6 Warren Rd is a well-situated duplex investment opportunity located in the thriving city of San Mateo, California. Situated on a 6,849 square foot parcel of land, the subject property was originally constructed in 1941 and has a gross building area of approximately 3,450 square feet, offering its tenants beautifully designed two-bedroom floor plans. Located within walking distance to Downtown Burlingame (0.8mi), 4-6 Warren Rd is 1.3 miles from San Mateo Central Park and Downtown San Mateo, featuring a myriad of high-end shopping, dining and entertainment options. The subject property is also located within close proximity to the major transportation corridors of U. S. Highway 101, California State Route 92, the San Mateo Caltrain Station, and the major thoroughfare of El Camino Real. These transportation hubs provide tenants and residents with convenient access to San Francisco and San Jose and provides close proximity to many of the nation's top tech employers including Google, Facebook, Stanford, Box Inc. , Visa, Sony as well as many others.
Multi-familyProperty Type
1941Year Built
6,881 sq ftLot Size
$675Price/Sq.Ft.
1 car garageParking
Listed by Justin Fink•DRE #02100750• Marcus & Millichap
San Mateo Park, located between El Camino Real and Highway 101, is a residential and historic San Mateo neighborhood with curving, tree-lined streets and landmark estates. The neighborhood’s character concentrates around the San Mateo Park entrance at Baldwin Avenue and Santa Inez Avenue, where stone walls, mature canopies, and quiet lanes set a measured pace. Architectural identity leans to early 20th-century Tudors, Spanish Revival homes, and grand gardens on generous lots. Central Park and the Japanese Garden frame daily routines with lawns, paths, and seasonal color. Hillsdale Shopping Center and the Caltrain corridor add a polished retail-and-rail counterpoint nearby.
Provided by Walk Score and Local Logic
Offer insights
4 Warren Rd · $2,328,000
$2.33M and above
75% chance or better to win
Why $2.33M+ is a strong offer
DAYS ON MARKET
48 days
The average home goes pending in 19 days.
SALE-TO-LIST
96.5%
Most homes are selling 3% below list price.
About offer insights
Property details
Interior
Exterior
Finance
Kitchen
Bedroom
Living
Dining
Interior features
Two-story building
Separate utility meters for each unit (electric, gas, water)
Bedrooms
Unit 1: 2 bedrooms
Unit 2: 2 bedrooms
Bathrooms
Unit 1: 1 full bath
Unit 2: 1 full bath
Heating & cooling
Forced air heating
Exterior features
Wood shake/shingle roof
Public utilities
Tenants pay electric, gas, and water
Home design
Multifamily property (2 units)
One building
Parking
Attached garage (1 car)
Construction
Wood frame construction
Utilities
Public water
Public sewer
Financial info
Annual rental income: $87,600
Annual gross income: $84,972
Gross scheduled income: $87,600
Total expenses: $39,681
Gross rent multiplier: 26.58
Vacancy factor: 3%
Landscape expense: $2,400
Trash expense: $2,400
Tenants responsible for utilities (electric, gas, water)
Electricity and solar
View estimated energy costs and solar savings for this home
4-6 Warren Rd is a well-situated duplex investment opportunity located in the thriving city of San Mateo, California. Situated on a 6,849 square foot parcel of land, the subject property was originally constructed in 1941 and has a gross building area of approximately 3,450 square feet, offering its tenants beautifully designed two-bedroom floor plans. Located within walking distance to Downtown Burlingame (0.8mi), 4-6 Warren Rd is 1.3 miles from San Mateo Central Park and Downtown San Mateo, featuring a myriad of high-end shopping, dining and entertainment options. The subject property is also located within close proximity to the major transportation corridors of U.S. Highway 101, California State Route 92, the San Mateo Caltrain Station, and the major thoroughfare of El Camino Real. These transportation hubs provide tenants and residents with convenient access to San Francisco and San Jose and provides close proximity to many of the nation's top tech employers including Google, Facebook, Stanford, Box Inc., Visa, Sony as well as many others.
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML81959695
May 13, 2024
Sold
$2,200,000
$638/sq ft
May 13, 2024
Sold
$2,200,000
$638/sq ft
May 6, 2024
Pending
—
Apr 24, 2024
Price Changed
$2,198,000
$637/sq ft
Apr 2, 2024
Listed
$2,198,000
$637/sq ft
Apr 1, 2024
Listed
$2,400,000
$696/sq ft
+17
Compass Commercial is pleased to announce the exclusive listing of a one-of-a-kind corner duplex quite literally on the border of San Mateo & Burlingame. -- Constructed in 1941 and located on an oversized 6,852 square foot corner lot 4 & 6 Warren Road is just blocks from the restaurants and shopping at the heart of Burlingame Avenue. This luxury duplex is comprised of two MASSIVE 2-Bedroom/1-Bathroom units at 1,607 square feet (4 Warren), and 1,291 square feet (6 Warren); both with private one-car garages and large private backyards. The tenants pay ALL utilities directly, including water, trash removal, gas and electric. The sewer lateral line work is scheduled to be completed and cleared prior to closing. 4 & 6 Warren is located ON the Burlingame/San Mateo border and just four (4) blocks from Burlingame Avenue, and in the center of CalTrans ECR Roadway Renewal Project which is slated to start construction and in mid-2024 bringing updated drainage, underground power lines, pedestrian walkways, smoother pavement, and increased walkability to this stretch of El Camino Real.
Public Records
Aug 19, 2010
Sold
$239,000
$69/sq ft
Public Records
Apr 2, 1976
Sold
$106,500
$31/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$28,627 (+170.6%)
$1,539,792 + $749,088
$2,288,880
2024
$10,580 (+1.0%)
$1,509,600 + $734,400
$2,244,000
2023
$10,475 (+1.6%)
$294,029 + $360,672
$654,701
2022
$10,315 (+2.0%)
$288,265 + $353,602
$641,867
2021
$10,110 (+2.3%)
$282,614 + $346,670
$629,284
2020
$9,882 (+2.6%)
$277,073 + $339,874
$616,947
2019
$9,629 (+15.8%)
$274,233 + $336,391
$610,624
2018
$8,313 (+12.9%)
$268,857 + $329,796
$598,653
2017
$7,365 (−0.5%)
$258,418 + $316,992
$575,410
2016
$7,400 (−3.3%)
$258,418 + $316,992
$575,410
2015
$7,651 (+6.0%)
$253,352 + $310,778
$564,130
2014
$7,220 (+4.7%)
$244,661 + $300,117
$544,778
2012
$6,899 (+2.5%)
$243,557 + $298,762
$542,319
2011
$6,732 (−9.2%)
$238,783 + $292,905
$531,688
2010
$7,414 (+4.2%)
$234,102 + $287,163
$521,265
2009
$7,113 (+3.3%)
$269,812 + $302,333
$572,145
2008
$6,885
$270,454 + $303,052
$573,506
Public record
Public record
Permits
Beds
4
Baths
2
Stories
2
Lot width
—
Lot depth
—
Lot size
6,881 Sq. Ft.
Year renovated
1941
Finished Sq. Ft.
—
Unfinished Sq. Ft.
—
Total Sq. Ft.
3,450
Year built
1941
Style
Multi-Family (2-4 Unit)
County
San Mateo County
APN
032061010
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
Jun 11, 2024 • Final
Electrical, plumbing & mechanical - plumbing
Replace the sewer line from the house to the main in the roadway using the trenchless method. Install a new building clean-out.
Plumbing
Jun 10, 2024 • Final
Public works - encroachment permits (general construction)
Replace the sewer lateral from the property line to the main line within the city right of way.
Plumbing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Local insights from Redfin agents
San Mateo stayed one of the Peninsula's busiest markets. Homes averaged 110% of asking price, and buyers continue to compete for updated homes in neighborhoods like Aragon, Baywood and Beresford Park.