321 Grand Blvd

San Mateo, CA 94401

$1,425,000
Last Sold Price
—
Beds
—
Baths
1,852 Sq. Ft.
$769 / Sq. Ft.
1,852
Sq. Ft.
$769
per Sq. Ft.
Sold 12/2/25Virtual Tour
Sold 12/2/25Virtual Tour

Description

*Call for offers Thursday 10/16 at 11:00am.*Rare single story triplex consisting of a stand alone cottage and a duplex building on a large 7,631 SqFt lot in one of the Bay Area's most coveted submarkets. Located in close proximity to Downtown Burlingame, Downtown San Mateo, SFO and other landmarks. An ADU consultancy's pre-feasibility study indicates that up to four Accessory Dwelling Units can be added which would drive substantial income and appreciation. Up to 75% LTV conventional financing. Opportunity...*Call for offers Thursday 10/16 at 11:00am.*Rare single story triplex consisting of a stand alone cottage and a duplex building on a large 7,631 SqFt lot in one of the Bay Area's most coveted submarkets. Located in close proximity to Downtown Burlingame, Downtown San Mateo, SFO and other landmarks. An ADU consultancy's pre-feasibility study indicates that up to four Accessory Dwelling Units can be added which would drive substantial income and appreciation. Up to 75% LTV conventional financing. Opportunity for future owner-occupancy and a low cost alternative to a single family home. Two one-bedroom/one-bathroom units and one two-bedroom/one-bathroom unit. All three units are large and have private yards and are occupied, providing steady rental income. Tremendous rental income upside upon unit turnover and renovation. There is a three vehicle car-port in the back of the property. Monthly rent: $7,300 (current), $10,000 (proforma). The strong rent growth, shortage of housing units, proximity to large Silicon Valley employers, and ADU potential make 321 Grand Boulevard an exceptional investment for both the cash flow and appreciation-minded investor. The adjacent triplex at 327 Grand Blvd and the fourplex at 315 Grand Blvd are also available for sale.

Listing Agent

  1. Hanna John Azar

    Hanna John Azar

    Alternative Listing Agent

    Compass

    DRE #02005698

    CallTextEmail

Property Details for 321 Grand Boulevard

MLS City Name
SAN MATEO
Building Type
TRIPLEX
Style
Victorian
Garage Spaces
8
Parking Spaces
1
View
None
Cross Street
San Mateo Drive
LISTING UPDATED: 12/03/2025 07:55 PM

Property Details for 321 Grand Boulevard

StatusSold
MLS #ML82022562
Days on Compass27
Taxes$17,477 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeMulti Family
MLS TypeRESIDENTIAL INCOME / TRIPLEX
Year Built1902
Lot Size0.18 AC / 7,631 SF
CountySan Mateo County

Location

Listing Courtesy of Compass, Hanna John Azar, DRE #02005698; Compass, Ismael Benhamida, DRE #01722847

Sold By Compass, Hanna John Azar, DRE #02005698; Compass, Ismael Benhamida, DRE #01722847

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Building Information for 321 Grand Boulevard

Stories1Residences3Year Built1902Building Size-Lot Size0.18 AC / 7,631 SF

Payment Calculator

$8,498 per month

30 year fixed, 6.28% Interest

Principal and Interest

$7,041

Property Taxes

$1,456

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 321 Grand Boulevard

Features
External Links
Features
  • Fireplace: No
  • Flooring: Carpet, Hardwood, Tile, Vinyl / Linoleum
  • Living SqFt: 1852
  • Pool: No
  • Security Features: None
  • Special Features: None
Utilities
  • Cooling: Ceiling Fan
  • Heating: Forced Air, Gas, Wall Furnace
  • Meters: Master Water, Separate Electric, Separate Gas
  • Sewer Septic: Sewer - Public, Sewer Available, Sewer Available at Site, Sewer in Street
  • Utilities: Individual Electric Meters, Individual Gas Meters, Public Utilities
  • Water: Public
Carport and Parking
  • Carport Min: 2
Garage
  • Garage and Parking: Attached Garage, Off-Street Parking, Uncovered Parking
Property Details
Homeowners Association
  • HOA Exists: 0
  • HOA Fee: $0
Property Details
  • Area Text: Eastern Addition/Downtown Area
  • Roof: Composition, Shingle
  • Subclass: Triplex
  • Year Built Source: Assessor
  • Street Number: 321
  • Street Name: Grand
  • Street Suffix: Boulevard
  • Area ID: 417
Lot / Property Details
Building Information
  • Number Of Stories: 1
  • Number of Buildings: 2
  • Structure SqFt: 1852
  • Structure SqFt Source: Assessor
  • Age: 123
Development Information
  • Construction Type: Wood Frame
  • Ownership Type: Trust
  • Zoning Detail: RM0000
Location Information
  • City Limits: Yes
  • Incorporated: Yes
  • Parcel Number: 032-161-100
  • County Name: San Mateo
  • City Name: SAN MATEO
  • City Postal ID: 62
  • Postal Code: 94401
  • Elementary School: 665
  • Elementary School District: 938
  • Middle School Text: Borel Middle
  • High School District Text: San Mateo Union High
  • High School Text: San Mateo High
Lot Information
  • Foundation: Brick, Combination, Concrete Perimeter
  • Horse Property: No
  • Lot Acres: .18
  • Lot Size Area Maximum Units: Square Feet
  • Lot Size Area Minimum Units: Square Feet
  • Lot Size Source: Assessor
Multi Family Information
Building Information
  • No Of Leased: 3
General Information
  • Annual Tax Amount: $17,477
  • Building Unit Total: 3
  • Capitalization Rate: 3.52
  • Tenant Expenses: Maintenance, Rent Only, Services - Gardener/Landscaping, Services - Sewer, Services - Trash Removal, Utilities - Water
  • Income Includes: Rents
  • Vacancy Factor: 3
Income / Expense Details
  • Expense Insurance: $4,500
  • Expense Landscape: $1,200
  • Expense Maintenance: $3,000
  • Expense Management: $0
  • Expense Trash: $1,250
  • Expenses Other: $0
  • Expenses Utility: $6,588
  • Expenses Total: $39,355
  • Operating Expenses Include: Fee - Property Tax, Insurance, Maintenance, Maintenance - Repair, Services - Sewer, Services - Trash Removal, Utilities, Utilities - Electric, Utilities - Water, Vacancy Factor
  • Gross Rent Multiplier: 15.77
  • Income Annual Gross: $84,972
  • Income Annual Rental: $87,600
  • Income Gross Scheduled: $87,600
  • Income Other: $0
Unit 1 Information
  • Unit 1 Full Bathrooms: 1
  • Unit 1 Number of Bedrooms: 2
  • Unit 1 Rent: $2,495
Unit 2 Information
  • Unit 2 Full Bathrooms: 1
  • Unit 2 Number of Bedrooms: 1
  • Unit 2 Rent: $2,250
Unit 3 Information
  • Unit 3 Full Bathrooms: 1
  • Unit 3 Number of Bedrooms: 1
  • Unit 3 Rent: $2,250

Property History for 321 Grand Boulevard

DateEvent & SourcePriceAppreciation
Dec 2, 2025

Sold

MLSListings #ML82022562

$1,425,000—
Dec 2, 2025

Sold

EBRD #ML82022562

$1,425,000—
Oct 20, 2025

Pending

MLSListings #ML82022562

—
Oct 20, 2025

Pending

EBRD #ML82022562

—
Sep 23, 2025

Listed (Active)

MLSListings #ML82022562

$1,450,000—
Sep 23, 2025

Listed (Active)

EBRD #ML82022562

$1,450,000—
DateEvent & SourcePrice
12/02/2025

Sold

MLSListings #ML82022562

$1,425,000
12/02/2025

Sold

EBRD #ML82022562

$1,425,000
10/20/2025

Pending

MLSListings #ML82022562

—
10/20/2025

Pending

EBRD #ML82022562

—
09/23/2025

Listed (Active)

MLSListings #ML82022562

$1,450,000
09/23/2025

Listed (Active)

EBRD #ML82022562

$1,450,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 321 Grand Boulevard

Taxable ValueLand$56,341Additions$62,070Total$118,411
Tax Record2024$5,706 ($476 / month)
Home Facts
Baths3Total Finished SqFt1,852 SqFtAbove Grade Finished SqFt1,852 SqFtStories1Lot Size7,631 SqFtStyleQuadraplexYear Built1902Year Renovated1925ZoningRM0000CountySAN MATEOAPN032-161-100

Schools near 321 Grand Boulevard

This home is within San Mateo Union High School District.
Rating
School
Type
Grades
Distance
San Mateo Park Elementary School
Public - K to 5
Borel Middle School
Public - 6 to 8
San Mateo High School
Public - 9 to 12
Beach Park Elementary
Public - K to 5
Rating
School
Distance
San Mateo Park Elementary School
PublicK to 5

Borel Middle School
Public6 to 8

San Mateo High School
Public9 to 12

Beach Park Elementary
PublicK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Compass, Hanna John Azar, DRE #02005698; Compass, Ismael Benhamida, DRE #01722847

Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.