403 E Diamond Avenue Gaithersburg, MD $ 690,840
403 E Diamond Avenue
$ 690,840
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403 E Diamond Avenue

Gaithersburg, MD, 20877
$ 690,840
Bedrooms3 Baths1.1 Sq 2,652

Monthly Estimate*

$ 4,771

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Single Family Home for sale in Gaithersburg, MD

for $690,840 with 3 bedrooms and 1 full bath, 1 half bath. This 2,652 square foot home was built in 1899 on a lot size of 0.25.

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 owners 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 areas 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 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!

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Single Family Active

Price

$ 690,840

Bedrooms

3

Full Bath

1

Half Bath

1

Property Type

Single Family

Taxes

$ 9,409

Style

Colonial

Lot Size

0.25

Year Built

1899

Town/City

Gaithersburg

County/Region

Montgomery

MLS | Web ID

MDMC2261366

Features
General
Living Area 2652
Sewer Public Septic Public Sewer
Heating Other
Cooling Other
Possession Immediate
Zoning CBD
Architectural Style Colonial
Construction Materials Other
School District MONTGOMERY COUNTY PUBLIC SCHOOLS
Year Built 1899
Levels 2
Tax Year 2026
Ownership Fee Simple
Cool Fuel Other
Accessibility None
County MONTGOMERY
New Construction N
Property Type Residential
HOA N
Subdivision Name DEER PARK
Garage Y/N N
Water Access Y/N N
Other Structures Above Grade Below Grade
Full Baths 1
Status ACTIVE
Directions From I-270 take Exit 9 toward I-370/Sam Eig Highway. Continue toward MD-355 North (Frederick Avenue). Turn right onto E Diamond Avenue (MD-117). Continue to 403 E Diamond Avenue. The property will be
City GAITHERSBURG
Senior Community Y/N N
Lot Size Units Square Feet
Lot Size Square Feet 10890.00
Tax Annual Amount 9409.0
Home Warranty Y/N N
Structure Type Detached
Condo/Coop Association fee Y/N N
Bathrooms Full Main Level 1
Bathrooms Count Main Level 2.00
Price Per Sq Ft Total AG 260.5
Acceptable Financing Conventional Cash FHA
Vacation Rental Y/N N
Standard Status Active
Year Built Source Assessor
Legal Subdivision GAITHERSBURG TOWN
Tax Lot 1
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Interior
Heating Fuel Other
Hot Water Other
Basement (Y/N) N
Heating Y/N Y
Above Grade Finished Area 2652
Half Baths 1
Central Air Y/N N
Total Bedrooms 3
Below Grade Finished Area 0
Room Type Living Room Kitchen
Main Level Bedrooms 3
Below Grade Finished Area Unit Type Square Feet
Below Grade Finished Area Source Assessor
Above Grade Finished Area Source Estimated
Above Grade Finished Area Unit Type Square Feet
Total Baths 2
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Exterior
Exterior Amenities Other
Pool No Pool
Parking Features Asphalt Driveway
Water Source Public
Type of Parking Off Site Parking Lot
Foundation Details Other
Water View Y/N N
Lot Size Acres 0.25
Lot Size Source Assessor
Waterfront Y/N N
Land Assessed Value 393300.00
Navigable Water Y/N N
Water Oriented Y/N N
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Internal Only
Street Number 1 403
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* Excluded Features
List By
Sell Your Home Services

Broker

mlsbydan@gmail.com

Email

Affordability Calculator

$5,556
Per Month
86%
14%
0%
Monthly Principal & Interest
$4,771
Monthly Property Taxes
$784
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3533413 Elementary School
3533471 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
10/23/2026$690,840 Listed Price

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403 E Diamond Avenue, Gaithersburg, MD, 20877 is a Single Family Home for sale at $690,840 with 2,652 sqft and a lot size of 0.25. 403 E Diamond Avenue has 3 bedrooms, 1.1 baths, and was built in 1899. The property's zip code is 20877 which is in Gaithersburg, MD