Individually Owned 
For Sale
1 / 48
$2,250,000
4200 Daniels Ave, Annandale, VA 22003
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Property summary
AI-generated overview
The property is a three-floor office building constructed with steel and block components and concrete floors throughout. The building is configured so that each floor is separately metered for electric and has its own HVAC service, supporting flexible office suite configurations. A central staircase provides access to all floors. Each floor includes two common bathrooms; the lower floor also contains an additional bathroom within the suite and a kitchen within the suite. ADA accessibility has been identified for the 2nd floor and the lower floor, with modifications made to support accessibility. The building is situated on a corner lot and is zoned C-3. It has two main entrances and includes off-street asphalt parking for 28 vehicles, including two designated disabled parking spaces. The property is located within Fairfax County’s Annandale Commercial Revitalization District.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1978
Construction
CONCRETE BLOCKS
Total area
8,202 SF
Lot
0.45 ac (19,807 SF)
Zoning code
C-3(OFFICE)
APN
071-1-04-0107
UPID
US87-1076055
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Mosque
-
Physician
-
Daycare Center
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.79M
Blend (final)
Blend
$1.53M
Owner & transaction history
since 2015
3 recorded transactions
Zoning & alternative use
C-3(OFFICE) · Annandale, VA
Top alternative use upside
Warehouse, storage
$2.4M
+7.4%
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
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Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Full NOI build-up · 6 steps
All 3 comparables with addresses
2 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$1.53M
Value range
$1.37M – $1.68M
±10% around blend
Estimated value / SF
$186 / SF
Confidence
Low
3 county-verified comps
Property data
88
Market benchmarks
100
Comparable evidence
30
Income certainty
100
$1.37M
blend $1.53M
$1.68M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
8,202 SF
Lot area
0.45 ac
Year built
1978
Stories
3
APN
071-1-04-0107
Zoning
C-3(OFFICE)
Assessed value
$1,377,150
3
Income approach: direct capitalization
Partial preview
Estimated Stabilized NOI, derived from market rent, vacancy and expense benchmarks. Actual property income not reported.
Estimated market rent / SF
Potential gross income
Vacancy allowance
Effective gross income
Benchmark operating expenses
Stabilized NOI
Selected cap rate
4
Sales comparison
Partial preview
Sales approach indication
$1.20M
Weighted, 3 comps · low confidence
Evidence
3 found · 3 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
15.7 mi away · 6,320 SF
19.3 mi away · 6,552 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$1.53M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 76 sales
$273
-32%
Submarket 76 sales
$273
-32%
County 837 sales
$289
-36%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $186/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Warehouse, Storage
Gross theoretical uplift
+7%
vs current-use indication
Office Building · current use
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Data & methodology
Included free
Building area
County record
Property tax
Not available
Assessed value
County record
Zoning designation
County record
Operating expenses
Modeled
Market rent
Market benchmark
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 3 sales
NOI build-up · 9 steps
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
Selected market yield
6.90%
Selected cap rate for this office buildings
Derived from the Annandale market rent, vacancy and expense benchmarks for this use type.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 6.90%
9.0%
NOI (est.)
$155k *
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$2.25M
Move the market yield to see immediate price impact.
Value / SF
$274
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
6.40%6.90%7.40%
$140k
$2.18M
$2.03M
$1.89M
$155k
$2.43M
$2.25M
$2.10M
$171k
$2.67M
$2.48M
$2.31M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
3 found
Low confidence · county-verified
Closest comparable
$1.08M
15.1 mi · Apr 2026 · $148/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Assessed value
$1,377,150
Assessed 2024
Previous assessed
$1,499,730
-8.2% YoY
Assessed land
$495,180
Assessed improvement
$881,970
Land market value
$495,180
Improvement market value
$881,970
Total market value
$1,377,150
Applied tax rate
5.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING
Status
For Sale
Year built
1978
Construction
CONCRETE BLOCKS
Heating
HEAT PUMP
Cooling
YES
Stories
3
Total area
8,202 SF
Lot
0.45 ac (19,807 SF)
Zoning code
C-3(OFFICE)
APN
071-1-04-0107
UPID
US87-1076055
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Zoning & alternative use
C-3(OFFICE) · Annandale, VAZoning C-3(OFFICE) · permitted uses
C-3(OFFICE) · Annandale, VA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1978
Construction
CONCRETE BLOCKS
Heating
HEAT PUMP
Cooling
Yes
Stories
3
Lot
0.45 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
C-3(OFFICE)
Jurisdiction
Annandale, VA
Recorded code
C-3(OFFICE)
Ownership Intelligence
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Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
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Owner of record and activity signals are derived from public records and modeled classifications.
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