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Updated 2-Unit Duplex
For Sale
$985,000

1543 15th Ave S, Seattle, WA 98144

Two renovated residences offer separate utility rooms, private heating systems, and shared outdoor space.

Property Size2,490 SF
Price / SF$395.58
Days on Market13

Property Features for 1543 15th Ave S

General Information

Standard status Active
Size 2,490 SF
Property subtype Multi-Family

Site & Location

Highway Access Yes
Public Transit Yes

Units

Unit Mix 2 x 3BR/2BA
Multifamily Units 2

Amenities

fully fenced yard
deck

Building Details

Year Built 1905
Buildings 1
Listing Agency: COMPASS
Listed By: Kevin Lam
Source: Pugetsoundpropertyguide
Added: Oct 11 Changed: Oct 21 Last Checked: Oct 20 at 9:51PM

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 COMPASS

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Investment Insights

Based on property information with market context.

This 2,490-square-foot legal duplex contains two residences, each with three bedrooms and two full bathrooms. Both interiors were rebuilt from the framing, with updated plumbing and electrical, vinyl windows, engineered hardwood flooring, and individual gas forced-air furnaces. Kitchens have granite counters and stainless steel appliances; each unit also includes a utility room. The property was built in 1905, with a replacement roof in 2024 and exterior painting completed in 2025.

Outdoor features include a fenced yard and deck, four off-street parking spaces, and a detached one-car garage. The property is in North Beacon Hill, near Beacon Hill Light Rail and with access to I-5 and I-90.

Key Highlights

  • Legal duplex with two 3‑bedroom, 2‑bath residences
  • 2,490 square feet; built in 1905
  • Both units rebuilt with updated plumbing and electrical

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$44,943
Cap Rate
4.56%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$898,860 $898.9K
Cap Rate 7%
$642,043 $642.0K
Cap Rate 9%
$499,367 $499.4K
Market Conditions
NOI Build-Up for 2,490 SF
Gross rent
$67.2K $27.00/SF
− Vacancy
−$3.0K −$1.22/SF
EGI
$64.2K $25.79/SF
− OpEx
−$19.3K −$7.74/SF
NOI
$44.9K $18.05/SF
Area
Seattle, WA
Vacancy
4.50%
Lease Rate
$27.00 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$898,860
Cap Rate 7%
$642,043
Cap Rate 9%
$499,367

Alternative Uses

Best Use
Multifamily LT 5
$642.0K
$561.8K – $749.1K (±1% cap)
NOI $44,943 @ 7.0% cap · market cap 4.56%
Second Best
Apartment 5plus
$600.4K
$525.3K – $700.4K (±1% cap)
NOI $42,026 @ 7.0% cap · market cap 4.27%
Theoretical Best
Office A
$749.1K
$655.5K – $874.0K (±1% cap)
NOI $52,439 @ 7.0% cap · market cap 5.32%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

1,223
Businesses Nearby

Demographics for 98144, WA

32,178
Population
16,381
Households
2
Avg Household Size
38
Median Age
62%
College-Educated
91%
High-School Grad
3.4 sq mi
ZIP Area
9,464
Density / Sq Mi
$94,051
Median Household Income
$65,078
Median Earnings
$1,805
Median Rent
$890,400
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

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?
Duplex - Two renovated residences offer separate utility rooms, private heating systems, and shared outdoor space.
Where is this duplex located?
The property is located at 1543 15th Ave S Seattle, WA.
What is the asking price?
The asking price for this property is $985,000.
What are key features of this property?
This property features: Legal duplex with two 3‑bedroom, 2‑bath residences; 2,490 square feet; built in 1905; Both units rebuilt with updated plumbing and electrical
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