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Property profile & analytics
OFF-MARKET
Estimated value
$3,035,000
Office buildings
601 King St Seattle, WA 98104-2963
Individually Owned
1-yr Hold
Free & Clear
Property ID
US90-0717284
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1993
Construction
CONCRETE
Total area
21,600 SF
Lot
0.17 ac (7,200 SF)
Zoning code
IDM-75-85
APN
524780-1875
UPID
US90-0717284
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
BHRT ApexGlow Medical Clinic
-
A A Travel Travel Agency
-
InterIm Community Development Association Social Service Agency Charitable Organization
-
Fizzy Fairy Apothecary Cosmetic Store
-
New An Dong (Bike/Boat/Book/etc) Store Pharmacy
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$3.04M
Owner & transaction history
Darren Dong · 1 yrs held
Darren Dong
since 2025
7 recorded transactions
Zoning & alternative use
IDM-75-85 · Seattle, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Seattle submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Seattle submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
$141 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$38,314
Tax year 2024
Assessed value
$3,651,100
Assessed 2023
Previous assessed
$3,651,100
+0.0% YoY
Effective rate
1.05%
On assessed value
Assessed land
$2,052,000
Assessed improvement
$1,599,100
Land market value
$2,052,000
Improvement market value
$1,599,100
Total market value
$3,651,100
Applied tax rate
11.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1993
Construction
CONCRETE
Heating
OTHER
Cooling
OTHER
Stories
3
Total area
21,600 SF
Lot
0.17 ac (7,200 SF)
Zoning code
IDM-75-85
APN
524780-1875
UPID
US90-0717284
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
IDM-75-85 · Seattle, WA
Zoning IDM-75-85 · permitted uses
IDM-75-85 · Seattle, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Seattle. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1993
Construction
CONCRETE
Heating
OTHER
Cooling
Yes
Stories
3
Lot
0.17 ac
Current owner
From public records · entity-resolved
Darren Dong
Individual
Free & Clear · 1 yrs held
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 20, 2025
—
Darren Dong
Dong Perri
Deed
related
—
Apr 4, 2025
—
Sixth And King LLC
Darren Dong
Special Warranty Deed
—
Nov 19, 2024
—
Sixth And King LLC
Rene Dong
Special Warranty Deed
—
Jun 4, 2024
—
Sixth And King LLC
Curtis Dong
Special Warranty Deed
—
May 22, 2024
—
Sixth And King LLC
Loren Dong
Special Warranty Deed
—
May 21, 2024
—
Sixth And King LLC
Loren Dong
Special Warranty Deed
—
May 14, 2024
—
Sixth And King LLC
Dong Martin
Special Warranty Deed
—
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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