$690,000

403 E Diamond Ave Gaithersburg, MD 20877

Estimated payment $4,424/month

Total Views 344
-- Bed
-- Bath
1,872 Sq Ft
$369 Price per Sq Ft

Highlights

  • 0.25 Acre Lot
  • Multi-Tank Hot Water Heater
  • Hot Water Baseboard Heater
  • No HOA
  • Wood Siding

About This Home

Prime Redevelopment Opportunity in Historic Downtown Gaithersburg
Ask Listing Agent about Seller Financing Options. Seller is open to holding a first deed of trust for a buyer while they proceed with their plans.

Property Overview includes
Location Downtown Gaithersburg
Lot Size 0.27 acres
Property is ready for redevelopment
Survey is available in documents
This unique property offers an exceptional redevelopment opportunity in the heart of historic downtown Gaithersburg. Situated on a 0.27-acre lot, this prime location is ideal for developers and investors looking to tap into the growing potential of the area.

Key Features include

Strategic Location - Located in the vibrant downtown area, this property is in close proximity to entertainment hubs and essential amenities. It is just 0.2 miles from the MARC Train Brunswick Line, providing convenient commuter access, and 2.9 miles from the Metro Station, ensuring easy connectivity to the broader DC metropolitan area.

Development Potential - The lot is suitable for constructing more than a two-level building, offering ample space for various commercial or mixed-use developments. With approval for demolition from both the city and CSX, the existing structure can be removed, allowing for a fresh start on this prime site.

Comprehensive Planning - environmental tests and construction plans are available for review during due diligence. These include stormwater management, soil tests, a forest conservation plan, and a traffic flow assessment, giving a buyer confidence that many foundational aspects for redevelopment are in place.

Parking Capacity - The property offers the potential for up to 12 parking spaces, a valuable asset in downtown Gaithersburg, where parking availability can significantly enhance the appeal and functionality of the development.

Not Historically Protected - The property is not deemed historical, and the seller has obtained the necessary approvals, providing flexibility for redevelopment without the constraints of historical preservation regulations.

Important Notices -

Safety Warning - Please do not enter the existing building on the property. Entry is at your own risk due to safety concerns.
Document Availability - The survey and additional documentation are available for review, providing detailed insights into the property’s potential and requirements for redevelopment.
· Please note that utilities to the property have been cut/disconnected, which will need to be re-established as part of the redevelopment process.

This property represents a rare opportunity to invest in and transform a key piece of downtown Gaithersburg. With its excellent location, extensive planning resources, and flexible redevelopment options, it is an ideal choice for developers looking to create a landmark project in a growing community.

Take the first step toward realizing the potential of this exceptional redevelopment opportunity in historic downtown Gaithersburg!

Listing Agent

Edward Martin

Keller Williams Realty/Lee Beaver & Assoc. License #0225075345 Listed on: 08/30/2025

Keller Williams Realty/Lee Beaver & Assoc.

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $8,051

Year Built

  • Built in 1899

Lot Details

  • 0.25 Acre Lot
  • Property is zoned CBD, Central Business District

Home Design

  • Converted Dwelling
  • Wood Siding
  • Stick Built Home

Interior Spaces

  • 1,872 Sq Ft Home
  • Property has 2 Levels

Parking

  • 12 Open Parking Spaces
  • 12 Parking Spaces
  • Private Parking
  • Parking Lot

Utilities

  • Window Unit Cooling System
  • Hot Water Baseboard Heater
  • Multi-Tank Hot Water Heater
  • Phone Available

Community Details

  • No Home Owners Association
  • Gaithersburg Town Subdivision

Listing and Financial Details

  • Tax Lot 1
  • Assessor Parcel Number 160902670784

Home Details

Home Type

Single Family

Est. Annual Taxes

$8,051

Year Built

Built in 1899

Lot Details

0

Listing Details

  • Property Type: Residential
  • Structure Type: Detached
  • Architectural Style: Converted Dwelling
  • Ownership: Fee Simple
  • Historic: No
  • New Construction: No
  • Story List: Main
  • Year Built: 1899
  • Remarks Public: Prime Redevelopment Opportunity in Historic Downtown Gaithersburg Ask Listing Agent about Seller Financing Options. Seller is open to holding a first deed of trust for a buyer while they proceed with their plans. Property Overview includes Location Downtown Gaithersburg Lot Size 0.27 acres Property is ready for redevelopment Survey is available in documents This unique property offers an exceptional redevelopment opportunity in the heart of historic downtown Gaithersburg. Situated on a 0.27-acre lot, this prime location is ideal for developers and investors looking to tap into the growing potential of the area. Key Features include Strategic Location - Located in the vibrant downtown area, this property is in close proximity to entertainment hubs and essential amenities. It is just 0.2 miles from the MARC Train Brunswick Line, providing convenient commuter access, and 2.9 miles from the Metro Station, ensuring easy connectivity to the broader DC metropolitan area. Development Potential - The lot is suitable for constructing more than a two-level building, offering ample space for various commercial or mixed-use developments. With approval for demolition from both the city and CSX, the existing structure can be removed, allowing for a fresh start on this prime site. Comprehensive Planning - environmental tests and construction plans are available for review during due diligence. These include stormwater management, soil tests, a forest conservation plan, and a traffic flow assessment, giving a buyer confidence that many foundational aspects for redevelopment are in place. Parking Capacity - The property offers the potential for up to 12 parking spaces, a valuable asset in downtown Gaithersburg, where parking availability can significantly enhance the appeal and functionality of the development. Not Historically Protected - The property is not deemed historical, and the seller has obtained the necessary approvals, providing flexibility for redevelopment without the constraints of historical preservation regulations. Important Notices - Safety Warning - Please do not enter the existing building on the property. Entry is at your own risk due to safety concerns. Document Availability - The survey and additional documentation are available for review, providing detailed insights into the property’s potential and requirements for redevelopment. · Please note that utilities to the property have been cut/disconnected, which will need to be re-established as part of the redevelopment process. This property represents a rare opportunity to invest in and transform a key piece of downtown Gaithersburg. With its excellent location, extensive planning resources, and flexible redevelopment options, it is an ideal choice for developers looking to create a landmark project in a growing community. Take the first step toward realizing the potential of this exceptional redevelopment opportunity in historic downtown Gaithersburg!
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Fireplace: No
  • Foundation Details: Other
  • Levels Count: 2
  • Basement: No
  • Total Sq Ft: 1872
  • Living Area Sq Ft: 1872
  • Price Per Sq Ft: 368.59
  • Above Grade Finished Sq Ft: 1872
  • Above Grade Finished Area Units: Square Feet
  • Street Number Modifier: 403

Exterior Features

  • Other Structures: Above Grade, Below Grade
  • Construction Materials: Stick Built, Wood Siding
  • Water Access: No
  • Waterfront: No
  • Water Oriented: No
  • Pool: No Pool
  • Tidal Water: No
  • Water View: No

Garage/Parking

  • Garage: No
  • Parking Features: Private
  • Total Garage And Parking Spaces: 12
  • Type Of Parking: Parking Lot
  • Parking Lot Number Of Spaces: 12

Utilities

  • Refuse: 386.77
  • Central Air Conditioning: No
  • Cooling Fuel: Electric
  • Cooling Type: Window Unit(s)
  • Heating Type: Baseboard - Hot Water
  • Heating: Yes
  • Hot Water: Multi-Tank
  • Sewer/Septic System: Public Sewer
  • Utilities: Electric Available, Phone Available, Sewer Available, Water Available
  • Water Source: Public

Condo/Co-op/Association

  • Condo Co-Op Association: No
  • HOA: No
  • Senior Community: No
  • Association Recreation Fee: No

Fee Information

  • Front Foot Fee Pymt Freq: Annually

Schools

  • School District: MONTGOMERY COUNTY PUBLIC SCHOOLS
  • School District Key: 121138126809
  • School District Source: Listing Agent

Lot Info

  • Land Use Code: C
  • Lot Size Acres: 0.25
  • Lot Size Units: Square Feet
  • Lot Sq Ft: 10890.00
  • Year Assessed: 2025
  • Zoning: CBD
  • Zoning Description: Central Business District
  • In City Limits: Yes

Rental Info

  • Ground Rent Exists: No
  • Ground Rent Pymnt Freq: Annually
  • Vacation Rental: No
  • Property Manager: No

Tax Info

  • Tax Annual Amount: 8051.00
  • Assessor Parcel Number: 160902670784
  • Tax Lot: 1
  • Tax Total Finished Sq Ft: 1872
  • County Tax Payment Frequency: Annually
  • Tax Year: 2024

MLS Schools

  • School District Name: MONTGOMERY COUNTY PUBLIC SCHOOLS

Map

Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $8,051 $596,333 -- --
2024 $8,051 $557,267 $0 $0
2023 $7,510 $518,200 $357,600 $160,600
2022 $7,305 $515,000 $0 $0
2021 $7,283 $511,800 $0 $0
2020 $13,916 $508,600 $357,600 $151,000
2019 $6,895 $502,233 $0 $0
2018 $6,809 $495,867 $0 $0
2017 $6,227 $489,500 $0 $0
2016 -- $442,500 $0 $0
2015 -- $395,533 $0 $0
2014 -- $348,500 $0 $0
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
08/30/2025 08/30/25 For Sale $690,000 -- $369 / Sq Ft
Source: Bright MLS

Purchase History

Date Type Sale Price Title Company
Deed $615,000 None Listed On Document
Deed $422,500 --
Deed $422,500 --
Deed $422,500 --
Deed $422,500 --
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Previous Owner $120,000 Commercial
Source: Public Records

Source: Bright MLS

MLS Number: MDMC2197662

Bright MLS

APN: 09-02670784