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Property profile & analytics
OFF-MARKET
Estimated value
$780,000
Office buildings
4201 Martin Ave, Annandale, VA 22003-3008
Entity Owned
12-yr Hold
Absentee Owner
Property ID
US87-3811298
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1948
Construction
CONCRETE BLOCKS
Total area
4,087 SF
Lot
0.29 ac (12,800 SF)
Zoning code
C-3(OFFICE)
APN
071-1-04-U
UPID
US87-3811298
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
-
Ellie Hsieh, LMFT Physician
-
Miranda Dove, MED Counselor
-
Metropolitan Bath and Tile Renovation Specialist General Contractor
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$892k
Blend (final)
Blend
$780k
Owner & transaction history
Sandrich Annandale Inv LLC · 12 yrs held
Sandrich Annandale Inv LLC
since 2014
4 recorded transactions
Zoning & alternative use
C-3(OFFICE) · Annandale, VA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Warehouse, storage
$1.2M
+7.4%
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 Annandale submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Annandale 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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
OFFICE BUILDING
$1,115,000
Current use
WAREHOUSE, STORAGE
$1,200,000
Change: +7% · Conversion: Difficult
Blend value · Realmo final
$780k
Range $702k – $858k · ±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
$191 / 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
$9,649
Tax year 2024
Assessed value
$751,760
Assessed 2024
Previous assessed
$820,160
-8.3% YoY
Effective rate
1.28%
On assessed value
Assessed land
$320,000
Assessed improvement
$431,760
Land market value
$320,000
Improvement market value
$431,760
Total market value
$751,760
Applied tax rate
5.0000
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
1948
Construction
CONCRETE BLOCKS
Heating
OTHER
Cooling
YES
Stories
2
Rooms
5
Bathrooms
1
Total area
4,087 SF
Lot
0.29 ac (12,800 SF)
Zoning code
C-3(OFFICE)
APN
071-1-04-U
UPID
US87-3811298
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Zoning & alternative use
C-3(OFFICE) · Annandale, VA
Zoning C-3(OFFICE) · permitted uses
C-3(OFFICE) · Annandale, VA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Annandale. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$1.1M
WAREHOUSE, STORAGE
Est. value
$1.2M
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
1948
Construction
CONCRETE BLOCKS
Heating
OTHER
Cooling
Yes
Stories
2
Rooms
5
Bathrooms
1
Lot
0.29 ac
Current owner
From public records · entity-resolved
Sandrich Annandale Inv LLC
Entity
Mailing address
8424 WESTPHALIA RD, UPPER MARLBORO, MD 20774-3532
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2014
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 19, 2017
—
Sandrich Annandale Investment
—
Deed
related
$272,000 · Eagle Bk
Jun 6, 2014
$745,000
Sandrich Annandale Inv LLC
Minnick Associates LLC
Grant Deed
$558,750 · Eagle Bk
—
—
Minnick Associates LLC
—
Deed Of Trust
related
$835,000 · Access National Bank
—
—
Sandrich Annandale Investment
—
Deed Of Trust
related
$272,000 · Eagle 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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