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Newly Built Coastal Triplex
For Sale
$2,975,000

3905 Haines, San Diego, CA 92109

Three residences combine flexible bedroom layouts with rooftop and outdoor living areas.

Property Size1,967 SF
Days on Market41

Property Features for 3905 Haines

General Information

Standard status Active
Size 1,967 SF
Property subtype Investment

Building Details

Building Size 1,967 SF
Year Built 2026
Units 3
Listing Agency: Coldwell Banker West
Listed By: Tom Dinoto · License #01882721
Source: Elliman
Added: Jul 21 Changed: Aug 29 Last Checked: Aug 29 at 5:54PM

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 Coldwell Banker West

Investment Insights

Based on property information with market context.

Completed in 2026, this detached triplex contains two 2-bedroom, 2-bath units and one 1-bedroom, 1-bath unit. The upper-level residence includes a private Outdoor Living Terrace and Rooftop Terrace with panoramic views. Main living areas reach 11-foot ceilings, while lower levels feature 9-foot ceilings. Bertazzoni appliances, tile flooring, solid-core doors, clerestory windows, paid solar with a Tesla Powerwall, and ductless mini-split climate control are incorporated throughout the property.

The property is located at 3905 Haines in San Diego, approximately 2 ½ blocks from Sail Bay. Shared parking and a pedestrian access agreement are in place, and there is no HOA. WalkScore is 51, BikeScore is 39, and TransitScore is 48.

Key Highlights

  • Three‑unit mix: two 2‑bedroom/2‑bath residences and one 1‑bedroom/1‑bath residence
  • Built in 2026 with design by Scot Frontis, AIA, and construction by Duncan Custom Homes
  • Upper‑level unit includes a private Outdoor Living Terrace and Rooftop Terrace

Property Analytics

Current Use

Triplexes

Suggested Use

Top Pick Furniture & Home Goods (Bike/Boat/Book/etc) Store Daycare Center Clothing & Fashion Store Fish Market Catering Service

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

Location Intelligence

Trade Area within ½ mile

1,237
Businesses Nearby

Demographics for 92109, CA

44,671
Population
26,503
Households
1.7
Avg Household Size
35
Median Age
70%
College-Educated
97%
High-School Grad
7.6 sq mi
ZIP Area
5,878
Density / Sq Mi
$118,300
Median Household Income
$71,054
Median Earnings
$2,362
Median Rent
$1,136,000
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?
Triplex - Three residences combine flexible bedroom layouts with rooftop and outdoor living areas.
Where is this triplex located?
The property is located at 3905 Haines San Diego, CA.
What is the asking price?
The asking price for this property is $2,975,000.
What are key features of this property?
This property features: Three‑unit mix: two 2‑bedroom/2‑bath residences and one 1‑bedroom/1‑bath residence; Built in 2026 with design by Scot Frontis, AIA, and construction by Duncan Custom Homes; Upper‑level unit includes a private Outdoor Living Terrace and Rooftop Terrace
More about this property
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