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Property profile & analytics
OFF-MARKET
Estimated value
$1,385,000
Medical Office Space
150 Andover W Park Tukwila, WA 98188-2801
Entity Owned
20-yr Hold
Absentee Owner
Free & Clear
Property ID
US90-0441437
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
2008
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
6,136 SF
Lot
3.29 ac (143,118 SF)
Zoning code
TUC-RC
APN
022310-0010
UPID
US90-0441437
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.36M
Comparable Approach
Comparable
$852k
Blend (final)
Blend
$1.39M
Owner & transaction history
City Of Tukwila · 20 yrs held
City Of Tukwila
since 2005
5 recorded transactions
Zoning & alternative use
TUC-RC · Tukwila, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Zoning description
The area in the vicinity of Westfield Southcenter Mall, with easy access to the bus Transit Center, is intended to provide an area that will continue to infill and intensify with more retail, services, and entertainment uses southward toward Strander Boulevard and eastward across Andover Park West
Zone name
Tukwila Urban Regional Center
General category
COMMERCIAL
Zone area
120.98 ac
Source
Realmo
Top alternative use upside
Apartment house (5+ units)
$2.2M
+3.1%
Office building
$2.2M
+2.8%
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 Tukwila submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Tukwila 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
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$1,470,000
6.5%
$1,355,000
7%
$1,260,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$2,110,000
Current use
APARTMENT HOUSE (5+ UNITS)
$2,175,000
Change: +3% · Conversion: Moderate
OFFICE BUILDING
$2,170,000
Change: +3% · Conversion: Easy
WAREHOUSE, STORAGE
$1,815,000
Change: -14% · Conversion: Difficult
Blend value · Realmo final
$1.39M
Range $1.25M – $1.52M · ±10%
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$226 / 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 2022Property tax & assessments
Tax year 2022
Tax billed
$82,822
Tax year 2022
Assessed value
$7,014,700
Assessed 2022
Previous assessed
$7,014,700
+0.0% YoY
Effective rate
1.18%
On assessed value
Assessed land
$5,152,200
Assessed improvement
$1,862,500
Land market value
$5,152,200
Improvement market value
$1,862,500
Total market value
$7,014,700
Applied tax rate
2,421.0000
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
Medical Office Space
Use group
MEDICAL BUILDING
Status
Off-Market
Year built
2008
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
CENTRAL
Buildings
2
Stories
1
Total area
6,136 SF
Lot
3.29 ac (143,118 SF)
Zoning code
TUC-RC
APN
022310-0010
UPID
US90-0441437
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
TUC-RC · Tukwila, WAZoning TUC-RC · permitted uses
TUC-RC · Tukwila, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Zoning description
The area in the vicinity of Westfield Southcenter Mall, with easy access to the bus Transit Center, is intended to provide an area that will continue to infill and intensify with more retail, services, and entertainment uses southward toward Strander Boulevard and eastward across Andover Park West
Zone name
Tukwila Urban Regional Center
General category
COMMERCIAL
Zone area
120.98 ac
Source
Realmo
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$2.1M
APARTMENT HOUSE (5+ UNITS)
Est. value
$2.2M
OFFICE BUILDING
Est. value
$2.2M
WAREHOUSE, STORAGE
Est. value
$1.8M
MEDICAL BUILDING Current
APARTMENT HOUSE (5+ UNITS)
OFFICE BUILDING
WAREHOUSE, STORAGE
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
2008
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
CENTRAL
Stories
1
Buildings
2
Lot
3.29 ac
Current owner
From public records · entity-resolved
City Of Tukwila
Entity
Free & Clear · 20 yrs held
Mailing address
923 POWELL AVE SW STE #101, RENTON, WA 98057-2943
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2005
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Nov 30, 2005
—
City Of Tukwila
Open Frame LLC
Grant Deed
related
—
Mar 25, 2005
—
Open Frame LLC
Mt Adams Holdings LLC
Quit Claim Deed
related
—
Sep 14, 2004
$10,250,000
Mt Adams Holdings LLC
Mustang LLC
Grant Deed
related
—
May 16, 2000
—
Gibson Properties LLC
Gibson Co
Quit Claim Deed
related
—
May 10, 2000
$3,150,000
Mustang LLC
Gibson Properties LLC
Grant 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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