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Property Plats:


What is a property plat?

A plat map, also known as a “plat”, “property plat”, or “house location plan”, is an architectural drawing used to show how a tract of surveyed land is divided into lots within a county or municipality. The plat map is drawn to scale and records the land size, boundary locations, nearby streets, and any easements or rights of way. When you purchase a home or property, you should receive a plat map along with other various settlement documents.

Why do I need a plat map?

It is important to locate your property plat because it contains the property divisions to consult when selling or transferring ownership of a property. In addition, it can be useful if there are any questions regarding access to city sewer and water supplies and to double-check other land documents for accuracy.  Lastly, if you have a home improvement project or simply need to know where your property line and easements are, you need a plat map. If you decide to make any non-routine exterior changes to your lot, you will need to include a copy of your plat when you submit a design review application (DRA) to the Architectural Design Trust (ADT) committee.



If I cannot locate my plat, how can I obtain another copy?

If you are unsure of where your property plat is, double-check your settlement documents first. If you still cannot locate your plat, there are a few ways you can obtain another copy.

  1. Use PLATS.NET to obtain a copy of your plat – Subdivision record plats can be printed or downloaded from this online repository maintained by the Maryland State Archives
  2. Land Records Department, County Clerk’s Office – this office makes copies/certified copies of any document recorded in the Land Records
    Phone: 240-777-9480
  3. Info Counter, Montgomery County Planning DepartmentCopies of subdivision record plats can be purchased at the M-NCPPC headquarters building (map and directions)
    Montgomery County Planning Department Intake/Information Counter
    2425 Reedie Drive, 2nd Floor, Wheaton, MD 20902
    Phone: 301-495-4610
  4. Obtain a Copy from The Land Planner/Surveyor – Many of the lots in the community were surveyed by Soltesz.


How do I use PLATS.net if I do not know my plat number?

If you do not know your property plat number, you will need to obtain this first. (your plat number is a 5 digit number).

City of Rockville Map Tools: use the Consolidated Parcel Information map (https://www.rockvillemd.gov/683/City-Maps) to locate your plat number.

  • Launch the map tool and enter your street number and name (i.e. 300 Saddle Ridge Circle) and click search.
  • The website will populate your address and then you will click on your address/lot.
  • A window will pop up with information pertaining to your lot. Click through the information window to page 2, where you will see information about the lot listed.
  • Within that window, scroll down until you see “SDAT Link” and click “More info“. This will take you to the Maryland State Department of Assessments and Taxation (SDAT) website.
  • On SDAT, locate “Plat No:” and you will see your plat number. Copy this number.


    How do I use the PLATS.net website to find my property plat?

    • Paste your plat number in the corresponding form and click “search”.
    • Your search results will provide the “Accession Number” for your plat – click this link to open the PDF copy. *the accession number should start with the letters “MSA”

    • Once you have opened the PDF, you can save this file to your computer OR take a screenshot and zoom in to your individual lot.