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Property profile & analytics
OFF-MARKET
Estimated value
$10,810,000
Office buildings
530 Park N Ave Renton, WA 98057
Entity Owned
4-yr Hold
Free & Clear
Property ID
US90-0977101
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1980
Construction
CONCRETE
Total area
60,258 SF
Lot
4.76 ac (207,242 SF)
Zoning code
UC
APN
756460-0055
UPID
US90-0977101
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
$8.43M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$11.96M
Blend (final)
Blend
$10.81M
Owner & transaction history
Ion Renton LLC · 4 yrs held
Ion Renton LLC
since 2021
Last sale
$12.0M
1 recorded transaction
Zoning & alternative use
UC · Renton, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Warehouse, storage
$17.8M
+22.4%
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 Renton submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Renton 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
$9,660,000
ML approach
$8,425,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$14,545,000
Current use
WAREHOUSE, STORAGE
$17,800,000
Change: +22% · Conversion: Difficult
Blend value · Realmo final
$10.81M
Range $9.73M – $11.89M · ±10% · vs last sale $12.00M (Dec 13 2021)
Last sale anchor
$12.00M
Dec 13 2021
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
$179 / 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
$1,097,523
Tax year 2022
Assessed value
$46,309,000
Assessed 2022
Previous assessed
$46,309,000
+0.0% YoY
Effective rate
2.37%
On assessed value
Assessed land
$7,460,700
Assessed improvement
$38,848,300
Land market value
$7,460,700
Improvement market value
$38,848,300
Total market value
$46,309,000
Applied tax rate
2,100.0000
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
1980
Construction
CONCRETE
Heating
HOT WATER
Cooling
AC.CHILLED WATER
Buildings
3
Stories
3
Total area
60,258 SF
Lot
4.76 ac (207,242 SF)
Zoning code
UC
APN
756460-0055
UPID
US90-0977101
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
UC · Renton, WA
Zoning UC · permitted uses
UC · Renton, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Renton. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$14.5M
WAREHOUSE, STORAGE
Est. value
$17.8M
OFFICE BUILDING Current
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
CONCRETE
Heating
HOT WATER
Cooling
Yes
Stories
3
Buildings
3
Lot
4.76 ac
Current owner
From public records · entity-resolved
Ion Renton LLC
Entity
Free & Clear · 4 yrs held
Mailing address
1450 FRAZEE RD STE #409, SAN DIEGO, CA 92108-4344
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
1 recorded event · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Dec 13, 2021
$12,000,000
Ion Renton LLC
The Boeing Company
Bargain And Sale 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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