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Property profile & analytics
OFF-MARKET
Estimated value
$7,895,000
Medical Office Space
12901 20th S Ave Seatac, WA 98168-5159
Individually Owned
9-yr Hold
Free & Clear
Property ID
US90-1036648
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
2019
Construction
STEEL FRAME
Total area
48,677 SF
Lot
3.96 ac (172,349 SF)
Zoning code
RBX
APN
162304-9076
UPID
US90-1036648
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
$10.77M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$7.90M
Owner & transaction history
Northwest Kidney Centers · 9 yrs held
Northwest Kidney Centers
since 2017
1 recorded transaction
Zoning & alternative use
RBX · Seatac, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Zoning description
The purpose of this zone is to provide a higher intensity commercial zone providing areas for the compatible development of heavy commercial uses such as warehouse/distribution, light assembly and service commercial in tandem with people intensive commercial uses, such as office and related retail uses, It is a transitional zone between industrial areas and…
Zone name
Regional Business Mix
General category
MIXED_USE
Zone area
131.73 ac
Source
Realmo
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 Seatac submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Seatac 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%
$11,660,000
6.5%
$10,765,000
7%
$9,995,000
Blend value · Realmo final
$7.90M
Range $7.11M – $8.68M · ±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
$162 / 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
$6,137
Tax year 2022
Assessed value
$14,424,100
Assessed 2022
Previous assessed
$14,424,100
+0.0% YoY
Effective rate
0.04%
On assessed value
Assessed land
$2,068,100
Assessed improvement
$12,356,000
Land market value
$2,068,100
Improvement market value
$12,356,000
Total market value
$14,424,100
Applied tax rate
2,216.0000
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
2019
Construction
STEEL FRAME
Heating
HEAT PUMP
Buildings
2
Stories
2
Total area
48,677 SF
Lot
3.96 ac (172,349 SF)
Zoning code
RBX
APN
162304-9076
UPID
US90-1036648
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
RBX · Seatac, WAZoning RBX · permitted uses
RBX · Seatac, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Zoning description
The purpose of this zone is to provide a higher intensity commercial zone providing areas for the compatible development of heavy commercial uses such as warehouse/distribution, light assembly and service commercial in tandem with people intensive commercial uses, such as office and related retail uses, It is a transitional zone between industrial areas and less intensive commercial, mixed use or residential zones, The regional business mix zone implements the Comprehensive Plan’s regional business mix land use designation
Zone name
Regional Business Mix
General category
MIXED_USE
Zone area
131.73 ac
Source
Realmo
Building & site characteristics
From public records
Year built
2019
Construction
STEEL FRAME
Heating
HEAT PUMP
Stories
2
Buildings
2
Lot
3.96 ac
Current owner
From public records · entity-resolved
Northwest Kidney Centers
Individual
Free & Clear · 9 yrs held
Mailing address
700 BROADWAY, SEATTLE, WA 98122-4302
Ownership since
2017
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
1 recorded event · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 26, 2017
—
Northwest Kidney Centers
Highline School District 401
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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