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Property summary
This exceptional 6,000 square foot flex/industrial space in Ashburn, VA, presents a unique sublease opportunity. Located at 21750 Red Rum Drive, Unit 177, this property sits on a generous 18.43-acre lot and offers a highly versatile layout ideal for a variety of businesses. The current sublease has approximately two years remaining, providing immediate occupancy and a chance to establish your operations quickly. The space is easily divisible in half, offering flexibility for businesses of… varying sizes. The existing configuration includes five private offices, a spacious entry area, separate men's and women's restrooms, a sizable board/conference room, a smaller conference room perfect for intimate meetings, a convenient kitchen area, and a large open area suitable for classes, meetings, events, or gatherings. Additional features include a dedicated computer room and other adaptable spaces. A roll-up door at the rear of the building can be added, enhancing accessibility and logistical capabilities. For businesses seeking a longer-term commitment, direct negotiation of a long-term lease with the property owner, St. John Properties, is possible after the sublease term expires. This sublease is being offered with the explicit permission of the property owner. This is an exceptional opportunity to secure prime flex space in a desirable Ashburn location with significant flexibility and potential for long-term occupancy.
Ownership intelligence
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with a plan.
Debts
Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.
Property tax · 2024
Value estimate
· Oct 2026Realmo valuation models over county records.
Recently sold
Cap rate analysis
No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.
Zoning insight
Location intelligence
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
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 · 12 properties nearbyComparable nearby
Similar Nearby for Lease
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
from $199/month
- GBA
- 54,120 SF
- Lot area
- 18.43 ac
- Year built
- 2001
- Stories
- 1
- APN
- 088-49-8610-000
- Zoning
- PDIP
- Assessed value · 2024
- $29,775,500
- Annual tax · 2024
- $257,558
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
from $199/month
Price sensitivity
The rate is the decision lever; valuation is the consequence.
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
Registration is required before the official district profile is shown.
Official district profile
The purpose of the Planned Unit Development (PUD) Zoning District is to, Promote a flexible customized land use approach that will achieve development projects that provide greater benefits than could be provided through…
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
Registration is required before any owner information is shown.
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.
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.
Registration is required before any owner information is shown.
- 10 Targeted Leads
- 1 Full Property Report
- 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
- 300 Targeted Leads a month
- 30 Full Property Reports
- 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
- 1,500 Targeted Leads a month
- 150 Full Property Reports
- 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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