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FOR LEASE
Other warehouses
Property ID
US87-2107805
Entity Owned Owner of record is a legal entity (LLC / corporation).
4-yr Hold Held for 4 years.
Absentee Owner Owner mailing address differs from the property address.
Free & Clear No active or open recorded mortgage detected.
Entity Owned 
For Lease
$18 SF/Yr
4001 Westfax Dr, Chantilly, VA 20151
View Listing
Property summary
AI-generated overview
The property is a two-story office building configured to provide office space for leasing. The building has a total area of 1,406 square feet.
Ownership intelligence
Who controls the opportunity?
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.
Owner contacts
Can we reach the decision maker?
Skip-traced phones and e-mails of the owner. Included with a plan.
Debts
What is owed, to whom, and when it comes due
Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.
Property tax · 2024
What does the county charge?
$300k
Tax billed · 2024
Assessed value$21.09M
Assessed land$2.63M
Assessed improvement$18.46M
Effective rate1.42%
Value estimate
· Oct 2026$38.53M
$34.67M – $42.38M
Submarket $/SF estimate$29.29M
NOI build-up
Gross scheduled income$122k
Vacancy & credit loss−$18k
Operating expenses−$26k
NOI · 433,911.11% cap applied$78k
Realmo valuation models over county records.
Recently sold
What actually traded nearby?
$220/SF
ZIP average, outlier-cleaned · 63 recorded sales of this use type
Observed band · Q1–Q3$168 – $284
Cap rate analysis
How does the asset earn?
433,911.11%
$78k estimated NOI · market benchmarks for this use type
Price anchors at 6 / 6.5 / 7% — in the full report.
Zoning insight
What can be built here?
I-5(INDUSTRIAL GENERAL)
JurisdictionFAIRFAX
Location intelligence
Which uses thrive at this corner?
Best fit: Bakery
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Bakery9.2
Tailor Shop9.2
Law Firm8.9
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
✓ County assessor
✓ Recorded deeds · 5 transfers
– Qualifying comp sales · not on file
✓ Zoning catalog
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 14 properties nearbyRecent sales nearby
6 recorded sales in this ZIP, last 8 years
Address
Sale price
Sold
Size
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
Comparable nearby
Similar in This City for Sale
Similar Nearby for Lease
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Full NOI build-up · 6 steps
4 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional plan · 30 reports
from $199/month
from $199/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$38.53M
Value range
$34.67M – $42.38M
±10% around blend
Estimated value / SF
$255 / SF
Confidence
Property data
100
Market benchmarks
100
Comparable sales
60
Income certainty
100
$34.67M
blend $38.53M
$42.38M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
- GBA
- 150,845 SF
- Lot area
- 8.06 ac
- Year built
- 1988
- Stories
- 2
- APN
- 034-3-09-0006-A
- Zoning
- I-5(INDUSTRIAL GENERAL)
- Assessed value · 2024
- $21,090,860
- Annual tax · 2024
- $300,228
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
- Property tax · 2024
- $300,228
- Selected cap rate
4
Comparable sales
Partial preview
Comparables picked and weighted for this valuation. The Overview tab lists recorded sales nearby as our records hold them, unweighted and unselected, so the two do not have to agree.
Sales approach indication
$29.29M
Range $25.38M – $42.79M
Evidence
6 found
Recent peer sales in this city
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$38.53M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)
Average
Subject delta
ZIP 63 sales
$220
+16%
Submarket 75 sales
$229
+12%
County 257 sales
$293
-13%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $255/SF.
Delta below average reads as headroom.
Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Neighborhood: Shopping Center
Gross theoretical uplift
+67%
vs current use, $33.25M
- Industrial (general)
- Auto Repair, Garage
- Office Building
- Warehouse, Storage · current use
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Methodology
Included free
Building area
County record
Property tax
County record
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.
How Realmo checks its estimates
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable sales, saved work and exports.
9-scenario matrix
NOI build-up · 9 steps
Market rates by use type
PDF export
Professional plan · 30 reports
from $199/month
from $199/month
Overview
No cap rate is computable for this property yet
No recorded sale, income signal or market-rate row for its use type. Any figures below are a modeled what-if, not an implied cap rate.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$1.12M
Move the market yield to see immediate price impact.
Value / SF
$7
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
5.00%7.00%9.00%
$70k
$1.41M
$1.00M
$781k
$78k
$1.56M
$1.12M
$868k
$86k
$1.72M
$1.23M
$955k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Building & lot
Public records
Property type
Other warehouses
Use group
MINI-WAREHOUSE, STORAGE
Status
For Lease
Year built
1988
Construction
BRICK
Heating
OTHER
Cooling
YES
Stories
2
Total area
150,845 SF
Lot
8.06 ac (351,057 SF)
Zoning code
I-5(INDUSTRIAL GENERAL)
APN
034-3-09-0006-A
UPID
US87-2107805
Jurisdiction
FAIRFAX
Metro division
WASHINGTON-ARLINGTON-ALEXANDRIA, DC-VA-MD-WV METROPOLITAN DIVISION
Property tax & assessments
Tax year 2024
Tax billed
$300,228
Assessed value
$21,090,860
Assessed 2024
Previous assessed
$21,999,660
-4.1% YoY
Effective rate
1.42%
On assessed value
Assessed land
$2,632,930
Assessed improvement
$18,457,930
Land market value
$2,632,930
Improvement market value
$18,457,930
Total market value
$21,090,860
Applied tax rate
9.0000
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
Jurisdiction
Chantilly, VA
Zoning code
I-5(INDUSTRIAL GENERAL)
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
What opens after registration
Ownership intelligence
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties we can resolve, with estimated value
Deal signalsSell-side activity where we detect it
Debt & historyRecorded loans and transaction history
Included with every plan
See the ownership record for this address.
Registration is required before any owner information is shown.
Every paid plan opens ownership intelligence on every property.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Owner Contacts
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with a plan - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Debts · part of Ownership Intelligence
See what the owner owes, and when it comes due.
The mortgage data comes with a plan: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
What opens after registration
Ownership intelligence
Recorded loansLender, amount and origination for every instrument
Estimated maturityWhen the debt comes due and the refi window opens
Rates & liensRecorded or estimated rate, junior liens flagged
CollateralWhich holding secures each loan - this property marked
Included with every plan
See the ownership record for this address.
Registration is required before any owner information is shown.
Every paid plan opens ownership intelligence on every property.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
Unlock Property Insights and Get Targeted Leads
Choose membership plan that works for you.
1-day Trial
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Trial Includes
- 10 Targeted Leads
- 1 Full Property Report
Property reports include
if available
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
-
Zoning Insight— not in this plan -
Location Analytics— not in this plan
Professional plan
$199
/mo
Membership includes
- 300 Targeted Leads a month
- 30 Full Property Reports
Property reports include
if available
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
-
Location Analytics— not in this plan
Enterprise plan
$499
/mo
Membership includes
- 1,500 Targeted Leads a month
- 150 Full Property Reports
Property reports include
if available
- Lead Lists by Intent
- Signals & Scores
- Building Details
- Value Estimation
- Cap Rate Evaluation
- Liens & Mortgages
- Ownership & Contacts
- Local Market trends
- Zoning Insight
- Location Analytics
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Leads for service soon
Still being built. It lands here next, beside the two above.
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