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Property profile & analytics
FOR LEASE
Office buildings
6100 Southcenter Blvd Tukwila, WA 98188
Entity Owned
~
Est. High Equity
Property ID
US90-1197668
For Lease
1 / 3
$28 SF/Yr
6100 Southcenter Blvd, Tukwila, WA 98188
View Listing →
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1980
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
20,319 SF
Lot
0.8 ac (34,952 SF)
Zoning code
O
APN
359700-0222
UPID
US90-1197668
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
$5.86M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$4.20M
Owner & transaction history
6100 Scb INC
6100 Scb INC
since 2025
Last sale
$3.5M
7 recorded transactions
Zoning & alternative use
O · Tukwila, 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 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
$3,595,000
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$6,340,000
6.5%
$5,855,000
7%
$5,435,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$6,985,000
Change: -3% · Conversion: Easy
WAREHOUSE, STORAGE
$6,000,000
Change: -16% · Conversion: Difficult
Blend value · Realmo final
$4.20M
Range $3.78M – $4.61M · ±10% · vs last sale $3.50M (Jan 3 2025)
Last sale anchor
$3.50M
Jan 3 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
$206 / 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
$1,745
Tax year 2022
Applied tax rate
2,408.0000
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
For Lease
Year built
1980
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
HEAT PUMP
Stories
3
Total area
20,319 SF
Lot
0.8 ac (34,952 SF)
Zoning code
O
APN
359700-0222
UPID
US90-1197668
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
O · Tukwila, WA
Zoning O · permitted uses
O · Tukwila, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Tukwila. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING
Est. value
$7.0M
WAREHOUSE, STORAGE
Est. value
$6.0M
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
1980
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
HEAT PUMP
Stories
3
Lot
0.8 ac
Current owner
From public records · entity-resolved
6100 Scb INC
Entity
Mailing address
6400 SOUTHCENTER BLVD, TUKWILA, WA 98188-2547
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
Oct 17, 2025
—
6100 Scb INC
Wr Management Co Of Ca
Quitclaim Deed
related
—
Jan 3, 2025
$3,500,000
Wr Management Co Of Ca
Sound
Warranty Deed
$1,100,000 · Us Metro Bank
Dec 21, 2012
—
Seattle Mental Health Inst INC
—
Deed Of Trust
related
$9,713,921 · Washington Health Care Facilit
Sep 3, 2004
$2,100,000
Seattle Mental Health Inst INC
Utilika Foundation
Warranty Deed
—
—
—
Seattle Mental Health Inst INC
—
Deed Of Trust
related
$1,000,000 · Bank Of America
—
—
Seattle Mental Health Inst INC
—
Deed Of Trust
related
$1,000,000 · Bank Of America
—
—
Seattle Mental Health Inst INC
—
Deed Of Trust
related
$1,000,000 · Bank Of America
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.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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