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Property profile & analytics
OFF-MARKET
Estimated value
$61,830,000
Office buildings
21900 51st Pl, Issaquah, WA 98029-8238
Entity Owned
2-yr Hold
Free & Clear
Property ID
US90-0799902
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1999
Construction
CONCRETE
Total area
224,900 SF
Lot
20.13 ac (877,047 SF)
Zoning code
MU
APN
212406-9067
UPID
US90-0799902
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
$61.83M
CAP Approach
CAP
$80.52M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$61.83M
Owner & transaction history
Costco Wholesale Corporation · 2 yrs held
Costco Wholesale Corporation
since 2024
Last sale
$61.8M
7 recorded transactions
Zoning & alternative use
MU · Issaquah, 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 Issaquah submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Issaquah 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
$61,830,000
ML approach
$61,830,000
CAP Approach
CAP Return
Estimation
6%
$87,225,000
6.5%
$80,515,000
7%
$74,765,000
Blend value · Realmo final
$61.83M
Range $55.65M – $68.01M · ±10% · vs last sale $61.83M (Mar 14 2024)
Last sale anchor
$61.83M
Mar 14 2024
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
$275 / 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
$1,753,191
Tax year 2024
Assessed value
$180,635,800
Assessed 2023
Previous assessed
$180,635,800
+0.0% YoY
Effective rate
0.97%
On assessed value
Assessed land
$21,297,200
Assessed improvement
$159,338,600
Land market value
$21,297,200
Improvement market value
$159,338,600
Total market value
$180,635,800
Applied tax rate
1,436.0000
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
1999
Construction
CONCRETE
Heating
GAS
Cooling
AC.PACKAGE
Buildings
3
Stories
5
Total area
224,900 SF
Lot
20.13 ac (877,047 SF)
Zoning code
MU
APN
212406-9067
UPID
US90-0799902
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
MU · Issaquah, WA
Zoning MU · permitted uses
MU · Issaquah, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Issaquah. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1999
Construction
CONCRETE
Heating
GAS
Cooling
Yes
Stories
5
Buildings
3
Lot
20.13 ac
Current owner
From public records · entity-resolved
Costco Wholesale Corporation
Entity
Free & Clear · 2 yrs held
Mailing address
999 LK DR, ISSAQUAH, WA 98027-8990
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 14, 2024
$61,829,600
Costco Wholesale Corporation
Kw 90 East LLC
Bargain And Sale Deed
—
Dec 28, 2017
$2,723,405
Kw 90 East LLC
Cre Tal Se 51st Owner LLC
Grant Deed
—
Jun 1, 2017
$153,000,000
Kw 90 East LLC
Cre Tal Se 51st Owner LLC
Grant Deed
$77,000,000 · Miscellaneous Ins Co
Jan 22, 2015
$128,250,000
Cre Tal Se 51st Owner LLC
Sammamish Park LLC
Bargain And Sale Deed
$85,000,000 · Column Financial INC
Dec 4, 2003
—
Sammamish Park LLC
—
Deed Of Trust
related
$92,000,000 · Teachers Insurance & Annuity
Apr 7, 1999
—
Sammamish Park LLC
—
Deed Of Trust
related
$35,000,000 · Seafirst Bank
Dec 6, 1996
$12,750,000
Sammamish Park LLC
Basil D Vyzis Estate
Grant Deed
—
—
—
Sammamish Park LLC
—
Deed Of Trust
related
$38,710,000 · Seafirst Bank
—
—
Sammamish Park LLC
—
Deed Of Trust
related
$30,380 · Seafirst 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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