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Quick Links:


DC Property Tax Database and Square and Lot Number Look up

Address not coming up in database after following instructions below?  Click here, enter address then click on SSL to find the lot and square numbers.

The DC Property Tax Database can help you find: 

  • Amount of Property Tax Paid by client
  • If property is paying tax (if not, may be tax exempt and client may not be eligible for renter’s credit)
  • Find out registered name and address of property owner

Here’s how to use it:

  1. Visit
  2. Fill in address and click on “Search Now”
    If the address does not show up, and you need to look up the square and lot number, click here, enter the address, the click on SSL
  3. Click on the Square/Suffix/Lot number
  4. Scroll down and click on “View Tax Information”
  5. Click in the Real Property Tax tab


DC Ward Lookup

Find out what ward you live in, in DC:



Affordability Exemption Tool (TY2016, TY2017, TY2018):
VITA training:
TaxWise ACA Worksheet Quick Guide | View resource
ACA Examples for VITA/TCE Volunteers | View resource
Tax Preparer’s Guide to the Affordable Care Act | View guide


Individual Taxpayer Identification Numbers (ITINs)

Marital Status Issues

Determining which states have common law marriage:

Determine if your client is still married to a long-time separated spouse, or if your client is interested in divorce:


Maryland Homeowner’s Tax Credit and Renter’s Tax Credit:


Refund Status

Gather your Social Security Number, Filing Status, and expected refund, and then contact one of the following:


Schedule A and Schedule D Help



Taxability of Settlement Payments

See IRS Publication 4345:


Unemployment, Amount Received


Tax Refunds Offset for Student Loans