Montgomery County property tax search and payment
Look up county real estate tax bills by account number, bill number or street address and review available payment methods.
Montgomery County Department of FinanceVisit source
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WSSC serves much of the county. Confirm Rockville, Poolesville and private-well exceptions by service address. Official jurisdiction profile
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58 resources for Montgomery County
Includes local services and applicable Maryland statewide resources.
New-owner property tax estimator
Estimate property tax and other charges for the first full fiscal year after buying a home. The tool also identifies development-tax districts and explains its assumptions.
Montgomery County GovernmentVisit source
Montgomery individual property tax credits
Find the county's directory of individual property tax relief, exemption, deferral and specialized credit resources.
Montgomery County Department of FinanceVisit source
Montgomery public water and sewer provider guide
Identify the public water and sewer providers serving the county and follow service-area resources. The county distinguishes WSSC service, including Gaithersburg, from municipal systems in Rockville and Poolesville.
Montgomery County Department of Environmental ProtectionVisit source
WSSC Water bill payment
Review WSSC Water's official payment options and links to online account services and bill payment.
Confirm your service provider first. Some Rockville and Poolesville properties have municipal service, and some properties use private wells.
WSSC WaterVisit source
Start or stop WSSC Water service
Submit a request to start or stop WSSC service around a move or settlement and find the account-number lookup. The page explains owner and tenant account responsibilities.
WSSC WaterVisit source
WSSC Water financial assistance
Explore payment plans, customer assistance, leak-related help and other WSSC programs, with links to eligibility guidance and application routes.
WSSC WaterVisit source
Rockville water and sewer billing and service
Check whether an address receives City of Rockville or WSSC service, start or stop city service and pay a city water bill.
City of Rockville Utility Billing DivisionVisit source
Montgomery DPS permit and inspection search
Search county permits and licenses and review application, plan-review and inspection information. Use the linked data search when researching a property by address.
Montgomery County Department of Permitting ServicesVisit source
Gaithersburg permitting and inspections
Find the city's construction permitting and inspection services and guidance on whether a project needs a permit.
City of GaithersburgVisit source
Rockville building and trade permits
Find city permit requirements, supporting documents and links to applications through MGO Connect for building, trade and related property work.
City of RockvilleVisit source
Montgomery Planning Zoning Explorer
Explore the official county zoning map maintained by Montgomery Planning. Use it to investigate a property's zoning and follow approved zoning changes.
Montgomery Planning, Maryland-National Capital Park and Planning CommissionVisit source
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Featured guide
The Maryland
homeowner guide.
8 thoughtfully designed pages. Free to keep.
Download guideA useful starting point, with sources you can follow. This is a curated directory researched October 15, 2026. Coverage is deepest in our six featured jurisdictions. Municipal profiles are directory links; individual municipal services have not all been reviewed. Programs, forms and portal addresses can change, so confirm current instructions with the source agency.
Our guides and directory are free to use. Some official portals require an account, and services such as permits, recording and payments may carry fees. General information does not determine your eligibility or replace advice for your transaction.
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