How to appeal a Loudoun County, VA property assessment

✓ Verified — Last verified October 24, 2026

Filing details published for Loudoun County. Match the notice and assessment cycle to the official instructions.

Official appeal instructions

Not tax or legal advice; confirm with your county.

Filing timing

A published appeal date below has passed. Check the official office for the applicable cycle; no later deadline has been inferred.

Deadline

March 16, 2026

Official source. Verified .

Notice-dependent instructions

After administrative review, appeals may be made to the Board of Equalization until June 1, 2026.

Official source. Verified .

Where to file

Loudoun County Commissioner of the Revenue; Application for Review of Real Estate Assessment

Official source. Verified .

Official appeal page

Official appeal page

Official source. Verified .

Assessment notice period

2026 assessment notices begin mailing February 6, 2026.

Official source. Verified .

Official offices

Loudoun County Commissioner of the Revenue

Office website

Office website

Official source. Verified .

Phone

703-777-0260

Official source. Verified .

All Loudoun County dates, offices and sources

Sources for these instructions

https://www.loudoun.gov/ArchiveCenter/ViewFile/Item/14984
loudoun.gov/reaa

Verified October 24, 2026

https://www.loudoun.gov/ArchiveCenter/ViewFile/Item/14984
Review with the Commissioner of Revenue online at loudoun.gov/reaa by March 16, 2026.

Verified October 24, 2026

https://www.loudoun.gov/ArchiveCenter/ViewFile/Item/14984
March 16, 2026

Verified October 24, 2026

https://www.loudoun.gov/ArchiveCenter/ViewFile/Item/14984
Thereafter, appeals may be made to the Board of Equalization until June 1.

Verified October 24, 2026

Continue with your property

Common questions

Where do I file a Loudoun County assessment appeal?

Loudoun County Commissioner of the Revenue; Application for Review of Real Estate Assessment

Updated , from cited verification dates. Individual sources may have earlier checks.