Four-Unit Multifamily Property with
For Sale
$930,000
100 S 21st street, Richmond, CA 94804
Residential Income, Richmond, CA
Property Size3,288 SF
Lot Size0.09 Acres
Price / SF$282.85
Days on Market161
Property Features for 100 S 21st street
General Information
Property type
Residential Multi Family
Property subtype
Quadruplex
Bedrooms
6
Bathrooms
3
Full bathrooms
3
Rooms
Bathroom 1, Bedroom 1, Bedroom 3, Bedroom 2, Bathroom 2, Bedroom 4, Bathroom 3, Bedroom 6, Bedroom 5
Parking features
Garage
Exterior features
Front Yard
Subdivision
Walls Harbor Ctr
Lot features
Corner Lot
Directions
Mcdonald ave to 22nd street then to Ohio and on to 21street..
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
Listing Agency:
Keller Williams Realty
(925) 934-2900
Listed By:
Frank Grimsley
(510) 708-3916
Added: Apr 30
Changed: Sep 16
Last Checked: Oct 7 at 4:06PM
MLS# 41133115
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.
Investment Insights
Based on property information with market context.
This four-unit multifamily property contains 3,288 square feet and is configured with four residences, each offering two bedrooms and one bathroom. The 1963 building has stucco construction, natural-gas heating, public sewer service, and a front yard. Four enclosed garage spaces provide on-site parking for the property.
Located in Richmond, the property offers access to Richmond BART, I-80, the Richmond-SF Ferry, parks, local dining, and shopping. Its setting also places it within reach of employment corridors throughout the East Bay. The 0.0941-acre parcel provides a compact residential income-property footprint with established building improvements and garage parking.
Located in Richmond, the property offers access to Richmond BART, I-80, the Richmond-SF Ferry, parks, local dining, and shopping. Its setting also places it within reach of employment corridors throughout the East Bay. The 0.0941-acre parcel provides a compact residential income-property footprint with established building improvements and garage parking.
Key Highlights
- Four‑unit configuration with 2 bedrooms and 1 bathroom per unit
- 3,288‑square‑foot multifamily building on a 0.0941‑acre parcel
- Four enclosed garage parking spaces
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$54,984
Cap Rate
5.91%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,099,680
$1.1M
Cap Rate 7%
$785,486
$785.5K
Cap Rate 9%
$610,933
$610.9K
Market Conditions
NOI Build-Up for 3,288 SF
Gross rent
$82.9K $25.20/SF
− Vacancy
−$4.3K −$1.31/SF
EGI
$78.5K $23.89/SF
− OpEx
−$23.6K −$7.17/SF
NOI
$55.0K $16.72/SF
Area
Richmond, CA
Vacancy
5.20%
Lease Rate
$25.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,099,680
Cap Rate 7%
$785,486
Cap Rate 9%
$610,933
Alternative Uses
Best Use
Multifamily LT 5
$785.5K
$687.3K – $916.4K
NOI $54,984 @ 7.0% cap · market cap 5.91%
Second Best
Apartment 5plus
$680.4K
$595.4K – $793.8K
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 authorities.
Property Analytics
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Current Use
Lease Details
4
Residential units
Yes
Highway access
Location Intelligence
Trade Area within ½ mile
2,152
Businesses Nearby
Explore this area
Business Placement
Demographics for 94804, CA
45,108
Population
16,659
Households
2.7
Avg Household Size
37
Median Age
32%
College-Educated
78%
High-School Grad
6.5 sq mi
ZIP Area
6,940
Density / Sq Mi
$86,430
Median Household Income
$46,473
Median Earnings
$1,825
Median Rent
$618,000
Median Home Value
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Cap Rate, Value Estimation, Potential NOI and more
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Market
Vacancy Rate% for Multifamily in West region
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Frequently Asked Questions
What type of property is this?
Quadplex - Four two-bedroom, one-bath residences provide a straightforward multifamily layout with enclosed garage parking.
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: Four‑unit configuration with 2 bedrooms and 1 bathroom per unit; 3,288‑square‑foot multifamily building on a 0.0941‑acre parcel; Four enclosed garage parking spaces
