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Property profile & analytics
OFF-MARKET
Estimated value
$13,740,000
Medical Office Space
330 Stillaguamish Ave Arlington, WA 98223-1642
Individually Owned
18-yr Hold
Free & Clear
Property ID
US90-0357079
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
1987
Construction
CONCRETE
Total area
57,960 SF
Lot
4.83 ac (210,395 SF)
Zoning code
14
APN
31051100102900
UPID
US90-0357079
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
$13.06M
Comparable Approach
Comparable
$10.82M
Blend (final)
Blend
$13.74M
Owner & transaction history
Public Hospital District No 3 · 18 yrs held
Public Hospital District No 3
since 2007
1 recorded transaction
Zoning & alternative use
14 · Arlington, 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 Arlington submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Arlington 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%
$14,145,000
6.5%
$13,055,000
7%
$12,125,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$22,630,000
Current use
OFFICE BUILDING
$20,670,000
Change: -9% · Conversion: Easy
Blend value · Realmo final
$13.74M
Range $12.37M – $15.11M · ±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
$237 / 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 2023Property tax & assessments
Tax year 2023
Assessed value
$35,863,200
Assessed 2023
Previous assessed
$31,346,000
+14.4% YoY
Assessed land
$2,008,500
Assessed improvement
$33,854,700
Land market value
$2,008,500
Improvement market value
$33,854,700
Total market value
$35,863,200
Applied tax rate
110.0000
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
1987
Construction
CONCRETE
Heating
YES
Cooling
CENTRAL
Buildings
4
Stories
2
Rooms
5
Bathrooms
1
Total area
57,960 SF
Lot
4.83 ac (210,395 SF)
Zoning code
14
APN
31051100102900
UPID
US90-0357079
Jurisdiction
SNOHOMISH
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
14 · Arlington, WA
Zoning 14 · permitted uses
14 · Arlington, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Arlington. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$22.6M
OFFICE BUILDING
Est. value
$20.7M
MEDICAL BUILDING Current
OFFICE BUILDING
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
1987
Construction
CONCRETE
Heating
YES
Cooling
Yes
Stories
2
Buildings
4
Rooms
5
Bathrooms
1
Lot
4.83 ac
Current owner
From public records · entity-resolved
Public Hospital District No 3
Individual
Free & Clear · 18 yrs held
Mailing address
3405 173RD PL NE, ARLINGTON, WA 98223-8712
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2007
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
Aug 2, 2007
$100,000
Public Hospital District No 3
Burgoyne,ben R
Warranty 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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