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Updated Duplex with Detached ADU
For Sale
$850,000

1447 Humboldt St 1449, Bellingham, WA 98225

Two separately addressed residences offer distinct utility systems and private parking, including alley access for the accessory dwelling.

Property Size1,150 SF
Price / SF$739.13
Days on Market29

Property Features for 1447 Humboldt St 1449

General Information

Standard status Active
Size 1,150 SF
Property subtype Multi-Family

Units

Unit Mix 1 x 3 bedroom, 1 x 1 bedroom
Multifamily Units 2

Amenities

covered deck
fully fenced backyard
patio
hot tub pad

Building Details

Year Built 1900
Buildings 2
Listing Agency: RE/MAX Whatcom County, Inc.
Listed By: Sydney Weitzel · License #21009396
Source: Findahomeseattle
Added: Sep 8 Changed: Oct 5 Last Checked: Oct 5 at 6:52PM

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 Whatcom County, Inc.

Investment Insights

Based on property information with market context.

This duplex pairs a 1,150-square-foot, three-bedroom home built in 1900 with a detached 520-square-foot, one-bedroom ADU completed in 2024. The main residence has a covered deck off the primary bedroom and a fenced backyard. Improvements include electrical and sewer-line work, new insulation, exterior paint, a tankless water heater, and appliance updates. The ADU features its own entrance, two heat pumps, a tankless water heater, skylights, granite countertops, kitchen storage, and newer appliances. A patio and a wired pad designated for a hot tub provide additional outdoor features.

Each residence has a separate address, utility systems, and private parking; the ADU’s parking is accessed from the alley. The property is in Bellingham’s York Neighborhood, near downtown, parks, restaurants, shopping, and waterfront attractions.

Key Highlights

  • Main residence: 1,150 square feet, 3 bedrooms, built in 1900
  • Detached ADU: 520 square feet, 1 bedroom, built in 2024
  • Separate addresses, utility systems, and private parking for each residence

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Butcher Locksmith Tanning Salon Pet Grooming Service Adult Day Care

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

1,966
Businesses Nearby

Demographics for 98225, WA

49,078
Population
24,202
Households
2
Avg Household Size
31
Median Age
48%
College-Educated
96%
High-School Grad
12.6 sq mi
ZIP Area
3,895
Density / Sq Mi
$62,220
Median Household Income
$33,122
Median Earnings
$1,430
Median Rent
$588,800
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 separately addressed residences offer distinct utility systems and private parking, including alley access for the accessory dwelling.
Where is this duplex located?
The property is located at 1447 Humboldt St 1449 Bellingham, WA.
What is the asking price?
The asking price for this property is $850,000.
What are key features of this property?
This property features: Main residence: 1,150 square feet, 3 bedrooms, built in 1900; Detached ADU: 520 square feet, 1 bedroom, built in 2024; Separate addresses, utility systems, and private parking for each residence
More about this property
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