Summary answer: Prince William County's real estate tax rate for FY2026 is $0.906 per $100 of assessed value (combined rate roughly $0.98 with fire, rescue, and pest management levies). On a $550,000 Lake Ridge home, that works out to roughly $4,983–$5,390 per year, or about $415–$449 per month.
I'm Johnny with JQ Real Estate. Here's exactly how this breaks down and compares regionally.
How Prince William's rate compares
| Locality | 2026 Rate per $100 Assessed Value |
|---|---|
| Prince William County (Lake Ridge) | $0.906 (combined ~$0.98) |
| Fairfax County | ~$1.1225 |
| Alexandria City | ~$1.135 |
How your bill is actually calculated
Prince William assesses property at 100% of fair market value, with two payment installments (July 15 and December 5).
Why this matters for your monthly budget
- Your lender includes this in your monthly payment — rolled into escrow
- It's a real advantage for Lake Ridge affordability — lower taxes on top of a lower purchase price compound your savings versus buying closer to DC
Factor this into your real budget
Reach out and let's run your real numbers, taxes included.
For more Lake Ridge buyer and seller questions, visit our Lake Ridge real estate hub.