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Property profile & analytics
OFF-MARKET
Estimated value
$4,710,000
Office buildings
8601 Engleside Ofc Park Alexandria, VA 22309-4130
Entity Owned
16-yr Hold
~
Est. High Equity
Property ID
US87-0803122
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1999
Construction
FRAME
Total area
21,328 SF
Lot
1.61 ac (69,999 SF)
Zoning code
COMM (W/MIX OF COMM ZONIN
APN
101-3-01-0106-C
UPID
US87-0803122
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
$4.69M
Comparable Approach
Comparable
$5.81M
Blend (final)
Blend
$4.71M
Owner & transaction history
Osool Holding LLC · 16 yrs held
Osool Holding LLC
since 2010
5 recorded transactions
Zoning & alternative use
COMM (W/MIX OF COMM ZONIN · Alexandria, VA
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 Alexandria submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Alexandria 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%
$5,075,000
6.5%
$4,685,000
7%
$4,350,000
Alternative Use
Use
Estimation
OFFICE BUILDING
$7,400,000
Current use
INDUSTRIAL (GENERAL)
$7,255,000
Change: -2% · Conversion: Difficult
WAREHOUSE, STORAGE
$7,235,000
Change: -2% · Conversion: Difficult
Blend value · Realmo final
$4.71M
Range $4.24M – $5.18M · ±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
$221 / 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
$41,461
Tax year 2024
Assessed value
$3,230,270
Assessed 2024
Previous assessed
$3,469,480
-6.9% YoY
Effective rate
1.28%
On assessed value
Assessed land
$1,119,990
Assessed improvement
$2,110,280
Land market value
$1,119,990
Improvement market value
$2,110,280
Total market value
$3,230,270
Applied tax rate
6.0000
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
FRAME
Heating
OTHER
Cooling
YES
Stories
2
Total area
21,328 SF
Lot
1.61 ac (69,999 SF)
Zoning code
COMM (W/MIX OF COMM ZONIN
APN
101-3-01-0106-C
UPID
US87-0803122
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Zoning & alternative use
COMM (W/MIX OF COMM ZONIN · Alexandria, VA
Zoning COMM (W/MIX OF COMM ZONIN · permitted uses
COMM (W/MIX OF COMM ZONIN · Alexandria, VA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alexandria. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$7.4M
INDUSTRIAL (GENERAL)
Est. value
$7.3M
WAREHOUSE, STORAGE
Est. value
$7.2M
OFFICE BUILDING Current
INDUSTRIAL (GENERAL)
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
1999
Construction
FRAME
Heating
OTHER
Cooling
Yes
Stories
2
Lot
1.61 ac
Current owner
From public records · entity-resolved
Osool Holding LLC
Entity
Mailing address
8609 ENGLESIDE OFC PARKC, ALEXANDRIA, VA 22309-4130
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2010
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 19, 2018
—
Osool Holding LLC
—
Deed
related
$1,600,000 · First Va Cmnty Bk
Feb 25, 2010
$3,000,000
Osool Holding LLC
Parkvale LLC
Grant Deed
$2,000,000 · Alexander Investments INC
Dec 9, 2005
—
Parkvale LLC
—
Deed Of Trust
related
$1,700,000 · Pnc Bank
—
—
Osool Holding LLC
—
Deed Of Trust
related
$1,800,000 · Burke & Herbert Bank & Trust
—
—
Osool Holding LLC
—
Deed Of Trust
related
$1,600,000 · First Va Cmnty Bk
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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