PRIME OLDE TOWNE GAITHERSBURG – INVESTMENT & REDEVELOPMENT OPPORTUNITY! Excellent opportunity in the heart of Historic Olde Towne! Located at 403 E Diamond Ave, this two-story residential/commercial property features 3 bedrooms, 2 bathrooms, a den, living room, and approximately 6 parking spaces. Property requires complete renovation and is sold STRICTLY AS-IS. REDEVELOPMENT POTENTIAL! According to the seller, the Historic Preservation Board determined that the building is not historically protected and that demolition is at the owner’s discretion, subject to applicable City requirements and permits. Prime location within walking distance of restaurants, shops, Olde Towne Plaza, and the MARC train station. The City has identified Olde Towne for revitalization and streetscape improvements, adding to the area’s appeal. IMPORTANT: Buyer is responsible for all due diligence and must independently verify zoning, permitted residential/commercial uses, parking, Historic Preservation Board findings, demolition requirements, and redevelopment possibilities directly with the City of Gaithersburg. All uses and improvements are subject to required approvals. Information is deemed reliable but not guaranteed. PHOTO DISCLOSURE: Photos include a mix of actual property conditions and digitally enhanced renderings showing potential improvements such as painting, new windows, and lighting. Images are presented back-to-back for comparison. Renderings are illustrative only and do not reflect current conditions. BRING YOUR VISION AND EXPLORE THE POSSIBILITIES!
For sale
$690,840
403 E Diamond Ave, Gaithersburg, MD 20877
3beds
780sqft
Single Family Residence
Built in 1899
0.25 Acres Lot
$-- Zestimate®
$886/sqft
$-- HOA
What's special
- 3 days
- 137
- 3
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Daniel Demers 888-219-3009,
Sell Your Home Services 8882193009
Source: Bright MLS,MLS#: MDMC2261366
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 1
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 3
Rooms
- Room types: Living Room, Kitchen
Kitchen
- Level: Main
Living room
- Level: Main
Heating
- Other
Cooling
- Other
Appliances
- Included: Water Heater
Features
- Has basement: No
- Has fireplace: No
Interior area
- Total structure area: 780
- Total interior livable area: 780 sqft
- Finished area above ground: 780
- Finished area below ground: 0
Property
Parking
- Parking features: Asphalt, Off Site, Parking Lot
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: None
Features
- Levels: Two
- Stories: 2
- Exterior features: Other
- Pool features: None
Lot
- Size: 0.25 Acres
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 160902670784
- Zoning: CBD
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence
Materials
- Other
- Foundation: Other
Condition
- New construction: No
- Year built: 1899
Utilities & green energy
- Sewer: Public Septic, Public Sewer
- Water: Public
Community & HOA
Community
- Subdivision: Deer Park
HOA
- Has HOA: No
Location
- Region: Gaithersburg
Financial & listing details
- Price per square foot: $886/sqft
- Tax assessed value: $635,400
- Annual tax amount: $9,409
- Date on market: 10/23/2026
- Listing agreement: Exclusive Agency
- Listing terms: Conventional,Cash,FHA
- Ownership: Fee Simple
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 10/23/2026 | Listed for sale | $690,840+0.1%$886/sqft |
Source: | ||
| 11/15/2025 | Listing removed | $690,000$885/sqft |
Source: | ||
| 8/30/2025 | Listed for sale | $690,000$885/sqft |
Source: | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 20877
Nearby schools
Schools provided by the listing agent
- District: Montgomery County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.




