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New Triplex with Accessory Dwelling Units

648 W 21st Street San, San Bernardino, CA 92405

For Sale
$950,000

Three distinct residences combine modern finishes, private laundry facilities, and flexible living arrangements.

Property SizeContact for details
Days on Market138

Property Features for 648 W 21st Street San

General Information

Standard status Active
Property subtype Triplex

Site & Location

Neighborhood Sbhs
Highway Access Yes
Road Access Yes

Units

Unit Mix 4BR/2BA, 1BR/1BA, 3BR/2BA
Multifamily Units 3

Amenities

laundry room
central heating and air conditioning
solar panels
private patio
Central Air
Central
Disposal
Water Heater
Cable Available, Electricity Available, Natural Gas Not Available, Phone Available, Sewer Connected, Water Available, Shingle

Building Details

Year Built 2026
Stories 1
Construction modern
Listing Agency: RE/MAX CHAMPIONS
Listed By: HILDA PATINO · License CA #01181910
Source: Kw
Added: Jun 27 Changed: Nov 10 Last Checked: Nov 10 at 12:15PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of RE/MAX CHAMPIONS

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Investment Insights

Based on property information with market context.

Built in 2026, this triplex includes a four-bedroom, two-bathroom main residence with tile flooring, central heating and air conditioning, an interior laundry room, and a two-car attached garage. Fully paid solar panels are also included. The attached junior accessory dwelling unit provides one bedroom, one bathroom, and its own laundry facilities, while the detached accessory dwelling unit offers three bedrooms, two bathrooms, and a private patio.

The property is located at 648 W 21st Street with access to the 215 and 210 freeways. Yaamava’ Resort & Casino and local educational institutions are also nearby. The three-residence configuration supports a range of occupancy arrangements within one contemporary property.

Key Highlights

  • Three‑residence triplex configuration with a 4‑bedroom, 2‑bathroom main home
  • Attached 1‑bedroom, 1‑bathroom junior accessory dwelling unit
  • Detached 3‑bedroom, 2‑bathroom accessory dwelling unit with private patio

Property Analytics

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Lease Details

3
Residential units
Yes
Highway access
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

927
Businesses Nearby

Demographics for 92405, CA

32,165
Population
9,727
Households
3.3
Avg Household Size
31
Median Age
13%
College-Educated
74%
High-School Grad
5.0 sq mi
ZIP Area
6,433
Density / Sq Mi
$59,271
Median Household Income
$32,066
Median Earnings
$1,424
Median Rent
$376,800
Median Home Value
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Market

Properties on Market for Triplexes in San Bernardino County

Jul
Aug
Sep
Oct

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025

Frequently Asked Questions

What type of property is this?
Triplex - Three distinct residences combine modern finishes, private laundry facilities, and flexible living arrangements.
Where is this triplex located?
The property is located at 648 W 21st Street San San Bernardino, CA.
What is the asking price?
The asking price for this property is $950,000.
What are key features of this property?
This property features: Three‑residence triplex configuration with a 4‑bedroom, 2‑bathroom main home; Attached 1‑bedroom, 1‑bathroom junior accessory dwelling unit; Detached 3‑bedroom, 2‑bathroom accessory dwelling unit with private patio
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