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    Richmond Fourplex: Investment Opportunity Title is generated by Realmo AI

    100 S 21st street, Richmond, CA 94804

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    Claim this Listing
    For Sale
    $930,000

    MULTI_FAMILY - Richmond, CA

    Property size:
    3,288 SF
    Lot size:
    0.09 Acres
    Price / SF:
    $282/SF
    Added:
    Apr 30, 2026
    Days on Market:
    58
    Last Refresh:
    Jun 26 at 12:06 pm

    Property Features for 100 S 21st street

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Bedrooms
    6
    Bathrooms
    3
    Rooms
    Bathroom 2, Bedroom 1, Bedroom 5, Bedroom 6, Bedroom 4, Bedroom 3, Bathroom 3, Bathroom 1, Bedroom 2
    Parking features
    Garage
    Exterior features
    Front Yard
    Standard status
    Active
    APN
    5440610060
    Size
    3,288 SF
    Lot size
    0.09 Acres

    Utilities

    Sewer type
    Public Sewer
    Heating system
    Natural Gas

    Building Details

    Year built
    1963
    Number of units
    4
    Building materials
    Stucco

    We can help!

    Contact an agent
    Frank Grimsley

    Listing agent Frank Grimsley

    Listing office Keller Williams Realty 201 N Civic Drive, Suite 130, Walnut Creek, CA

    Listing date Apr 30, 2026

    MLS# 41133115 Listing URL

    Copyright © 2026 Contra Costa Association of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • 4‑unit fourplex with 2 bed/1 bath layout in each unit
    • Enclosed garage parking with 4 total garage spaces
    • Natural gas heating and public sewer service
    • Stucco exterior construction
    • Built in 1963

    Overview

    Located in Richmond, this fourplex presents an investment opportunity. The property features four units, each with two bedrooms and one bathroom. Four enclosed garage parking spaces are available. The property is positioned in a commuter-friendly location with convenient access to BART, I-80, the Richmond-SF Ferry, and employment centers throughout the East Bay. The location is near parks, local dining, and shopping, and it is also near Richmond BART, providing access to San Francisco, Oakland, and the Bay Area. The property offers multiple income streams and potential for cash flow. Owner-occupants can live in one unit and rent the others to offset mortgage costs, building equity and generating income simultaneously.

    Local Financial Insights For Multifamily LT 5

    Simulate Cap Rate and NOI

    NOI Build-Up
    Vacancy
    income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
    EGI (Effective Gross Income)
    gross rent minus vacancy losses — the realistic income before paying operating costs.
    OpEx (Operating Expenses)
    recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
    NOI (Net Operating Income)
    income a property generates after operating costs but before financing and taxes.

    Component $ $/SF
    Gross rent $82.9k $25.20
    − Vacancy −$4.3k −$1.31
    EGI $78.5k $23.89
    − OpEx −$23.6k −$7.17
    NOI $55.0k $16.72
    3,288 SF · lease $25.20/SF/yr · vacancy 5.20% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $785.5K
    $687.3K – $916.4K (±1% cap)
    NOI $54,984 @ 7.0% cap · market cap 5.91%
    Second Best
    Apartment 5plus
    $680.4K
    $595.4K – $793.8K (±1% cap)
    NOI $47,630 @ 7.0% cap · market cap 5.12%
    Theoretical Best
    —
    —
    same as Best Use
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Quadplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Richmond
    County
    Contra Costa
    State
    California
    Longitude
    -122.349264
    Latitude
    37.930534

    FAQs

    What type of property is this?
    Quadplex - Four-unit property in Richmond with strong rental demand and upside.
    Where is this quadplex located?
    The property is located at 100 S 21st street Richmond, CA.
    What is the asking price?
    The asking price for this property is $930,000.
    What are key features of this property?
    This property features: 4‑unit fourplex with 2 bed/1 bath layout in each unit; Enclosed garage parking with 4 total garage spaces; Natural gas heating and public sewer service
    More about this property
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