For Sale
Single family home for sale at 403 E Diamond Ave, Gaithersburg, MD 20877 | MLS# MDMC2261366 | Listing updated on 2026-10-27
Photo 1 of Single family home for sale at 403 E Diamond Ave, Gaithersburg, MD 20877 | MLS# MDMC2261366 | Listing updated on 2026-10-27
Photo 2 of Single family home for sale at 403 E Diamond Ave, Gaithersburg, MD 20877 | MLS# MDMC2261366 | Listing updated on 2026-10-27
Photo 3 of Single family home for sale at 403 E Diamond Ave, Gaithersburg, MD 20877 | MLS# MDMC2261366 | Listing updated on 2026-10-27
Photo 4 of Single family home for sale at 403 E Diamond Ave, Gaithersburg, MD 20877 | MLS# MDMC2261366 | Listing updated on 2026-10-27
26+
Beds Icon

Street View

$690,840

Monthly Est:$3,439

  • Beds Icon3 Beds
  • Beds Icon
    2 Baths
  • Beds Icon2,652sqft

403 E Diamond Ave, Gaithersburg, MD 20877

$3,439/moEst:

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  • Single Family Residence

  • Built in 1899

  • $-- HOA

  • 10,890 sqft lot

  • $260/sq.ft

Description

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 To
wne 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 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!

  • Houzeo last checked: 3 minutes ago
  • Listing updated: October 27, 2026 at 12:00 pm
  • Listing Provided by: Daniel J. Demers (888) 219-3009 | Sell Your Home Services (888) 219-3009
  • Source: Bright MLS-NJ | MLS#: MDMC2261366 Bright MLS-NJ

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Montgomery Md County

  • City

    Gaithersburg

  • Neighborhood

    --

  • Year Built

    1899

  • HOA Fees

    -

  • Finished Area

    2,652 sqft

  • Lot Size

    10,890 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Bright MLS

  • MLS Number

    MDMC2261366

  • MLS Status

    ACTIVE-BRIGHT

  • Days on Market

    5

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 3

    Bathrooms: 2

Interior

  • Heating

    Other

  • Cooling

    Other

  • Sewer

    Public Septic, Public Sewer

  • Exterior Features

    Other

Construction

  • Year Built

    Year Built: 1899

  • Home type

    Single Family Residence

  • Architectural Style

    Colonial

  • Construction Materials

    Other

  • Foundation Details

    Other

Utilities & Energy

  • Water Source

    Public

  • Parking Features

    Asphalt Driveway

Other Features

  • Subdivision Name

    Deer Park

Price History

DateEventPrice

08/30/2025

Source: mls_logoBright MLS-NJ #MDMC2197658

Listed for Sale

$690,000 -8.00%

$260/sqft

06/05/2024

Source: mls_logoBright MLS-NJ #MDMC2135270

Off Market

$750,000 +21.95%

$283/sqft

03/20/2022

Source: mls_logoBright MLS-NJ #MDMC2038564

Sold

$615,000

$232/sqft

Getting Around 403 E Diamond Ave

Bike Score®

Bike Score

Bikeable

58/100

Walk Score®

Walk Score

Somewhat Walkable

52/100

Data provided by Redfin

Nearby Homes

Based on information from Bright MLS through Oct 30, 2026, 04:00AM. Listing information is from various brokers who participate in the Bright MLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. © 2026 Bright MLS, Inc. All Rights Reserved. Click here for more information

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