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Craftsman Duplex with Two Residences
For Sale
$1,195,000

3430 31st St, San Diego, CA 92104

Two residences offer owner-occupant flexibility with options for rental income, office space, or extended-family living.

Property SizeContact for details
Lot Size0.14 Acres
Days on Market17

Property Features for 3430 31st St

General Information

Standard status Active
Lot size 0.14 Acres
Property subtype Residential Income

Units

Unit Mix 1 x 2BR/1BA, 1 x 1BR/1BA
Multifamily Units 2

Building Details

Buildings 2
Listing Agency: Joe Carta Realty
Listed By: Joe Carta · License #00744190
Source: Exprealty
Added: Sep 9 Changed: Sep 19 Last Checked: Sep 24 at 10:28AM

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 Joe Carta Realty

Investment Insights

Based on property information with market context.

This duplex includes a classic 1920s Craftsman bungalow with two bedrooms and one bath, along with a second residence offering a flexible one-bedroom, one-bath layout. Interior details in the primary home include gumwood trim, built-ins, picture railing, coved and inset ceilings, a living-room fireplace, and refinished original hardwood floors. The property is positioned for an owner occupant while providing a separate space for rental income, a home office, or extended-family use.

The residences sit on a 50x123 lot with alley access at 3430 31st St in San Diego. Morley Field and Balboa Park are within a short stroll, as are shops and restaurants along the 30th Street and University Ave corridor.

Key Highlights

  • Two residences on a 50x123 lot
  • 1920s Craftsman bungalow with 2 Bed and 1 Bath
  • Second residence offers a 1 Bed and 1 Bath layout

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Electrical Service Dental Office (Bike/Boat/Book/etc) Store HVAC Service Tech Support Center

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,974
Businesses Nearby

Demographics for 92104, CA

44,265
Population
24,580
Households
1.8
Avg Household Size
36
Median Age
55%
College-Educated
94%
High-School Grad
3.7 sq mi
ZIP Area
11,964
Density / Sq Mi
$92,862
Median Household Income
$60,195
Median Earnings
$1,925
Median Rent
$861,600
Median Home Value

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Two residences offer owner-occupant flexibility with options for rental income, office space, or extended-family living.
Where is this duplex located?
The property is located at 3430 31st St San Diego, CA.
What is the asking price?
The asking price for this property is $1,195,000.
What are key features of this property?
This property features: Two residences on a 50x123 lot; 1920s Craftsman bungalow with 2 Bed and 1 Bath; Second residence offers a 1 Bed and 1 Bath layout
More about this property
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