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Property profile & analytics
OFF-MARKET
Estimated value
$6,785,000
Office buildings
13525 Dulles Technology Dr, Herndon, VA 20171-4919
Individually Owned
4-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US87-3975594
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1984
Construction
STEEL FRAME
Total area
32,772 SF
Lot
2.64 ac (114,838 SF)
Zoning code
I-4(INDUST MEDIUM INTENSI
APN
016-3-01-0033-A
UPID
US87-3975594
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
Current use
Occupant on record · Public records
-
Little Oaks Montessori Academy Daycare Center
-
Oak Hill Christian School High School
-
Diane Henzey Physician
-
Catherine Elder Medical Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$6.78M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$6.66M
Blend (final)
Blend
$6.79M
Owner & transaction history
North American Islamic Foundation · 4 yrs held
North American Islamic Foundation
since 2021
Last sale
$6.8M
7 recorded transactions
Zoning & alternative use
I-4(INDUST MEDIUM INTENSI · Herndon, VA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Industrial (general)
$11.1M
+25.6%
Auto repair, garage
$10.9M
+23.3%
Warehouse, storage
$9.6M
+8.4%
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 Herndon submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Herndon 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
$6,890,000
ML approach
$6,780,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$8,870,000
Current use
INDUSTRIAL (GENERAL)
$11,145,000
Change: +26% · Conversion: Difficult
AUTO REPAIR, GARAGE
$10,940,000
Change: +23% · Conversion: Difficult
WAREHOUSE, STORAGE
$9,615,000
Change: +8% · Conversion: Difficult
Blend value · Realmo final
$6.79M
Range $6.11M – $7.46M · ±10% · vs last sale $6.80M (Aug 30 2021)
Last sale anchor
$6.80M
Aug 30 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
$207 / 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
$65,743
Tax year 2024
Assessed value
$4,151,750
Assessed 2024
Previous assessed
$4,474,240
-7.2% YoY
Effective rate
1.58%
On assessed value
Assessed land
$655,440
Assessed improvement
$3,496,310
Land market value
$655,440
Improvement market value
$3,496,310
Total market value
$4,151,750
Applied tax rate
2.0000
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
1984
Construction
STEEL FRAME
Heating
HEAT PUMP
Cooling
YES
Stories
1
Total area
32,772 SF
Lot
2.64 ac (114,838 SF)
Zoning code
I-4(INDUST MEDIUM INTENSI
APN
016-3-01-0033-A
UPID
US87-3975594
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Zoning & alternative use
I-4(INDUST MEDIUM INTENSI · Herndon, VA
Zoning I-4(INDUST MEDIUM INTENSI · permitted uses
I-4(INDUST MEDIUM INTENSI · Herndon, VA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Herndon. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$8.9M
INDUSTRIAL (GENERAL)
Est. value
$11.1M
AUTO REPAIR, GARAGE
Est. value
$10.9M
WAREHOUSE, STORAGE
Est. value
$9.6M
OFFICE BUILDING Current
INDUSTRIAL (GENERAL)
AUTO REPAIR, GARAGE
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
1984
Construction
STEEL FRAME
Heating
HEAT PUMP
Cooling
Yes
Stories
1
Lot
2.64 ac
Current owner
From public records · entity-resolved
North American Islamic Foundation
Individual
Mailing address
450 N WASHINGTON STM, FALLS CHURCH, VA 22046-3439
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
13 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 29, 2022
—
North American Islamic Foundation
—
Deed
related
$1,000,000 · Fulton Bank NA
Aug 30, 2021
$6,800,000
North American Islamic Foundation
13525 Dulles Technology Drive LLC
Deed
$5,000,000 · Fulton Bank Of New Jersey
Dec 15, 2020
—
Dtd LLC
Dtd LLC
Intrafamily Transfer
related
$3,177,000 · Sandy Spring Bank
Jul 29, 2005
$10
Dtd LLC
Dtcd LLC
Deed Of Trust
related
$2,625,000 · Burke & Herbert Bank & Trust
Jul 29, 2005
—
13525 Dulles Technology Drive
Owner Name Unavailable
Grant Deed
related
—
Jul 15, 2005
$720,000
Anuradha Iyer
Office Converters Of Dulles
Grant Deed
$1,110,000 · Middleburg Bank
Jun 27, 2005
$3,410,000
Mcwhorter LLC
Office Converters Of Dulles
Grant Deed
$1,800,000 · James Monroe Bank
Apr 29, 2005
$1,176,680
Bmsv LLC
Office Converters Of Dulles
Grant Deed
$900,000 · Cardinal Bank
May 17, 2004
$1,550,000
Pauline Nachman LP
Office Converters Of Dulles
Grant Deed
$1,276,000 · Virginia Commerce Bank
May 17, 2004
$4,050,000
Office Converters Of Dulles LP
13525 Dullestech LLC
Deed Of Trust
related
$2,200,000 · Virginia Commerce Bank
—
—
13525 Dulles Technology Drive
—
Deed Of Trust
related
$3,100,000 · Southern Farm Bureau Life Ins
—
—
13525 Dulles Technology Drive Ll
—
Deed Of Trust
related
$400,000 · Burke & Herbert Bank & Trust
—
—
Dtd LLC
—
Deed Of Trust
related
$375,000 · Edward L JR Curtis
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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