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Property profile & analytics
OFF-MARKET
Estimated value
$10,145,000
Office buildings
1210 136th St, Burien, WA 98166-1214
Entity Owned
5-yr Hold
Free & Clear
Property ID
US90-1432194
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
2010
Construction
WOOD
Total area
46,888 SF
Lot
3.43 ac (149,199 SF)
Zoning code
RS-12000
APN
783580-0311
UPID
US90-1432194
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
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$10.15M
Owner & transaction history
King County School District No 401 · 5 yrs held
King County School District No 401
since 2021
2 recorded transactions
Zoning & alternative use
RS-12000 · Burien, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Apartment house (5+ units)
$16.6M
+0.4%
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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$16,570,000
Current use
APARTMENT HOUSE (5+ UNITS)
$16,630,000
Change: +0% · Conversion: Easy
MEDICAL BUILDING
$16,120,000
Change: -3% · Conversion: Easy
WAREHOUSE, STORAGE
$13,850,000
Change: -16% · Conversion: Difficult
Blend value · Realmo final
$10.15M
Range $9.13M – $11.16M · ±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
$216 / 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
$12
Tax year 2022
Applied tax rate
927.0000
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
2010
Construction
WOOD
Heating
CENTRAL
Buildings
2
Stories
3
Total area
46,888 SF
Lot
3.43 ac (149,199 SF)
Zoning code
RS-12000
APN
783580-0311
UPID
US90-1432194
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
RS-12000 · Burien, WA
Zoning RS-12000 · permitted uses
RS-12000 · 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
OFFICE BUILDING Current
Est. value
$16.6M
APARTMENT HOUSE (5+ UNITS)
Est. value
$16.6M
MEDICAL BUILDING
Est. value
$16.1M
WAREHOUSE, STORAGE
Est. value
$13.9M
OFFICE BUILDING Current
APARTMENT HOUSE (5+ UNITS)
MEDICAL 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
2010
Construction
WOOD
Heating
CENTRAL
Stories
3
Buildings
2
Lot
3.43 ac
Current owner
From public records · entity-resolved
King County School District No 401
Entity
Free & Clear · 5 yrs held
Mailing address
1210 SW 136TH ST, BURIEN, WA 98166-1214
Ownership since
2021
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 15, 2021
—
King County School District No 401
Highline School District No 401
Bargain And Sale Deed
—
—
—
Navos Multi-treatment Center
—
Deed Of Trust
related
$23,271,500 · Ndc New Markets Investments Lx
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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