Montgomery County · Commercial sale

Apartment complex at 9605 Marathon Ct in Gaithersburg sells for $24.54 million

An apartment complex at 9605 Marathon Ct, Gaithersburg sold for $24,537,200 on August 20, 2026. See the seller and buyer net sheets for this sale.

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Aerial view of 9605 Marathon Ct, Gaithersburg with the parcel outlined
Aerial photo: U.S. Geological Survey. Parcel outline: Montgomery County Assessor. The photo can predate the sale.
Sale price
$24,537,200
Sold
August 20, 2026
Property type
Apartment complex
Building area
80,553 sq ft
Price per sq ft
$305
Year built
1998

The apartment complex at 9605 Marathon Ct in Gaithersburg sold for $24,537,200 on August 20, 2026, according to the Maryland Department of Assessments and Taxation's property records. At $305 per square foot, it sold for that price based on its recorded building area.

The Assessor's records list 80,553 square feet of building area, a build year of 1998 and a 3.55-acre lot.

The record lists Avalon Prop INC as the seller. The market value on record is $24,537,200.

This summary was written by AI from public sales records and checked by automated rules. The figures come from the record and the NetSheet.org rules engine. How we make these.

What were the closing costs in Montgomery County?

By our estimate, the seller's two largest charges, not counting prorations, were $274,275.63 for the recordation tax (Montgomery County) and $122,686 for the county transfer tax (Montgomery County). Who pays what follows Montgomery County custom.

How much did the seller net?

By our estimate, the seller netted about $24,042,496. That is before any broker commissions and any loan payoff.

How much cash did the buyer bring to closing?

A cash buyer would need about $25,016,324 at closing. That covers the full price and closing costs.

Run this net sheet with your numbers (free)

9605 Marathon Ct, Gaithersburg, MD.

Source: Maryland Department of Assessments and Taxation, Real Property Assessments (Maryland Open Data), document 70852-0259. Property details: Montgomery County Assessor. Net sheets are estimates from the NetSheet.org rules engine, not the parties' actual closing statements. Request a correction or removal.

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