NerdWallet is one of the best personal finance resources on the internet. Its closing cost calculator is an excellent starting point for understanding what the fee categories are. But it cannot tell you what you will actually owe — because it does not know which school district your address is in, or what your county recorder charges per page.
NerdWallet's closing cost calculator is an editorial tool — it is designed to help readers understand what closing costs are and roughly how much to expect. That is genuinely valuable. But it is built to explain, not to calculate.
These are the states where a national average is most likely to produce a materially wrong estimate.
2,573 municipalities + 2,572 school districts each set their own rate. State rate is 1% — local rate ranges from 0% to 4%+.
Chicago RPTT ($3.75/$500 buyer), Cook County ($0.25/$500), and state tax ($0.50/$500) are all separate layers.
NYC RPTT, NYC mansion tax, NYS mansion tax, and Westchester city rates (Yonkers 1.5%, Mount Vernon 1.0%) all stack.
LA Measure ULA cliff tax (4% over $5.3M, 5.5% over $10.6M), SF 6-tier cliff, Oakland, Berkeley all add layers above county documentary tax.
WA graduated REET is marginal across 4 brackets (1.1%→3%). County REET2 (0.25%) adds on top. San Juan County applies 2.00%.
NerdWallet's closing cost calculator provides a reliable national range (2–6% of loan amount) and does a good job explaining what each fee category means. However, it applies state-level averages for transfer taxes rather than resolving the specific municipality, township, or school district. In states like Pennsylvania, New York, Illinois, and California — where local transfer taxes are layered on top of state rates — this produces estimates that can be thousands of dollars below actual closing costs.
NerdWallet's calculator uses industry-standard ranges for each closing cost category: origination fees, appraisal, title insurance, prepaid items, and government fees. The government fee section (transfer taxes and recording fees) is estimated using state-level averages rather than jurisdiction-specific rate lookups. This is standard practice for editorial calculators — they are built for financial education, not precise transaction planning.
myClosingCost is built as a rate database, not an editorial calculator. Instead of applying a 2–6% range, it resolves the specific FIPS codes for the address (state, county, municipality) and looks up the actual transfer tax rates for each applicable jurisdiction — including school district overlays in Pennsylvania, city RPTT in Chicago, mansion tax tiers in New York, and cliff structures in Los Angeles. It then applies the actual county recording fee schedule and the state's filed title insurance bracket table.
No. Pennsylvania has 2,572 school districts, each with its own transfer tax rate. Correctly calculating the total transfer tax for a Pennsylvania address requires resolving the specific school district, which requires geocoding to the Census FIPS place level and looking up a school district rate table. NerdWallet's calculator operates at the state level and cannot perform this resolution.
Enter your address. Get a breakdown that resolves to your municipality, your county recorder, and your state's filed title insurance rates — not a national average.
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