The best way to get copies of W-2 forms - is to contact your employer (or former employers) and ask for duplicates.
You may get copies of W2s from Social Security Administration (the fee is $37.00 per tax year)
Call 1-800-772-1213
or write a request to SSA, Division of Earnings Records Operations, PO Box 33003, Baltimore, MD XXXXX-XXXX.
If for some reason this doesn't work for you - there are some businesses that offer fast services (fee required):
For state tax information - contact Pennsylvania Department of Revenue
-- for personal income tax - XXX-XXX-XXXX. -- for Property Tax - XXX-XXX-XXXX.
or walk-in your local Philadelphia office - see contact information here - http://www.revenue.state.pa.us/revenue/cwp/view.asp?A=6&Q=226810
You may search your property tax online - http://brtweb.phila.gov/brt.apps/Search/Disclaimer/disclaimer.aspx?url=search
Let me know if you need any help.
Tax Preparer
Taxes, Immigration, Labor Relations