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Property profile & analytics
OFF-MARKET
Estimated value
$2,145,000
Medical Office Space
131 156th St Burien, WA 98166-2502
Individually Owned
~
Est. High Equity
Property ID
US90-0171250
Property profile
Verified
Property type
Medical Office Space
Use group
DENTAL BUILDING
Year built
1969
Construction
WOOD
Total area
6,738 SF
Lot
0.32 ac (13,732 SF)
Zoning code
RM-24
APN
122100-0760
UPID
US90-0171250
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
-
Isalis (Bike/Boat/Book/etc) Store
-
Party City Party Supply Store (Bike/Boat/Book/etc) Store
-
Skunk Funk Big Box & Wholesale Store
-
Carl's Trading Co Hat Shop
-
Bushka's Kitchen LLC (Bike/Boat/Book/etc) Store
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.49M
Comparable Approach
Comparable
$2.19M
Blend (final)
Blend
$2.15M
Owner & transaction history
Seneca Family Of Agencies
Seneca Family Of Agencies
since 2025
Last sale
$2.5M
7 recorded transactions
Zoning & alternative use
RM-24 · Burien, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Restaurant
$3.5M
+52.6%
Commercial (general)
$3.4M
+47.2%
Auto repair, garage
$2.8M
+19.7%
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 Burien submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Burien 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%
$1,615,000
6.5%
$1,490,000
7%
$1,385,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$2,315,000
Current use
RESTAURANT
$3,535,000
Change: +53% · Conversion: Difficult
COMMERCIAL (GENERAL)
$3,410,000
Change: +47% · Conversion: Easy
AUTO REPAIR, GARAGE
$2,770,000
Change: +20% · Conversion: Difficult
APARTMENT HOUSE (5+ UNITS)
$2,390,000
Change: +3% · Conversion: Moderate
OFFICE BUILDING
$2,380,000
Change: +3% · Conversion: Easy
WAREHOUSE, STORAGE
$1,990,000
Change: -14% · Conversion: Difficult
INDUSTRIAL (GENERAL)
$1,905,000
Change: -18% · Conversion: Difficult
Blend value · Realmo final
$2.15M
Range $1.93M – $2.36M · ±10% · vs last sale $2.45M (Jun 11 2025)
Last sale anchor
$2.45M
Jun 11 2025
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
$318 / 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
$16,903
Tax year 2022
Assessed value
$1,498,000
Assessed 2022
Previous assessed
$1,498,000
+0.0% YoY
Effective rate
1.13%
On assessed value
Assessed land
$247,100
Assessed improvement
$1,250,900
Land market value
$247,100
Improvement market value
$1,250,900
Total market value
$1,498,000
Applied tax rate
937.0000
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
DENTAL BUILDING
Status
Off-Market
Year built
1969
Construction
WOOD
Heating
OTHER
Cooling
OTHER
Stories
2
Total area
6,738 SF
Lot
0.32 ac (13,732 SF)
Zoning code
RM-24
APN
122100-0760
UPID
US90-0171250
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
RM-24 · Burien, WA
Zoning RM-24 · permitted uses
RM-24 · Burien, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Burien. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$2.3M
RESTAURANT
Est. value
$3.5M
COMMERCIAL (GENERAL)
Est. value
$3.4M
AUTO REPAIR, GARAGE
Est. value
$2.8M
APARTMENT HOUSE (5+ UNITS)
Est. value
$2.4M
OFFICE BUILDING
Est. value
$2.4M
WAREHOUSE, STORAGE
Est. value
$2.0M
INDUSTRIAL (GENERAL)
Est. value
$1.9M
MEDICAL BUILDING Current
RESTAURANT
COMMERCIAL (GENERAL)
AUTO REPAIR, GARAGE
APARTMENT HOUSE (5+ UNITS)
OFFICE BUILDING
WAREHOUSE, STORAGE
INDUSTRIAL (GENERAL)
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
1969
Construction
WOOD
Heating
OTHER
Cooling
Yes
Stories
2
Lot
0.32 ac
Current owner
From public records · entity-resolved
Seneca Family Of Agencies
Individual
Mailing address
9988 SE 7TH CT, BELLEVUE, WA 98004-6748
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
Sep 11, 2025
$2,450,000
Seneca Family Of Agencies
Sesa LLC
Warranty Deed
—
Dec 6, 2019
$1,625,000
Kjd Ventures LLC
L And L Associates LLC
Warranty Deed
$1,381,250 · First Citizens Bank & Trust Co
Mar 27, 2017
$1,500,000
Sesa LLC
Family Heritage I LLC
Warranty Deed
$1,053,500 · Gbc International Bank
Jun 15, 1999
$900,000
Family Heritage I LLC
Newton Trust
Grant Deed
$700,000 · Seller
Oct 23, 1991
—
Gordon Dr Newton
Newton,gordon C&
Quit Claim Deed
related
—
—
—
Sesa LLC
—
Deed Of Trust
related
$250,000 · Gbc Int'l Bk
—
—
Orsea LLC
—
Deed Of Trust
related
$650,000 · Rainier Pacific Bank
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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