Charles County, MarylandProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Tax bill mailing
- July 2026; Charles County states full-year real-property bills are mailed in July, with supplemental new-construction bills generally mailed in October, January, and April.
- Payment deadline
- 2026 tax year begins July 1, 2026; annual bills and first semiannual installments are due September 30, 2026; the second semiannual installment is due December 31, 2026; interest and penalties begin after the applicable due date.
- Assessment appeal
- Within 45 days of the date on the Maryland SDAT Notice of Assessment; a PTAAB appeal follows within 30 days of the supervisor's final notice.
- Rate information
- FY2026 county rate $1.1410 + Fire and Rescue rate $0.0640 + Maryland state rate $0.1120 = $1.3170 per $100 assessed value before municipal differentials.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
Homestead eligibility application is a one-time filing with SDAT; the 2026 Maryland Homeowners' Property Tax Credit deadline is October 1, 2026. County credit deadlines vary by program and were not separately published on the reviewed Treasury page.
Senior relief
Charles County states that a Senior Tax Credit is available to qualifying homeowners and lists it with its property-tax credit programs; exact FY2026 eligibility thresholds and filing date were not separately published on the reviewed official Treasury page. The Maryland income-based Homeowners' Property Tax Credit remains available.
Valuation limits
Charles County's FY2025–2026 published homestead cap is 7% for eligible owner-occupied county taxable assessments; Maryland's state portion is capped at 10%, and municipal caps can differ.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.
More exemption & appeal guidance →