Wildlife exemption rules for Grimes County
Grimes County sits in the Post Oak Savannah wildlife appraisal region. Below: what its appraisal district publishes for the 1-d-1 wildlife management valuation, and what to do about it. Verified 2026-08-25 — part of WildCaliche's guide to all 254 Texas counties.
Grimes County at a glance Post Oak Savannah
- Wildlife management plan
- January 1 - April 30 (annual filing window)
- Annual report
- Not published by the CAD
- Minimum acres (individual)
- 12.5 acres
- Minimum acres (association)
- 10 acres
- Site visits
- Site-visit policy published
- Appraisal district
- Grimes Central Appraisal District
Official sources:
grimescad.org
grimescad.org
grimescad.org
What the Post Oak Savannah region means for your plan
Oak motte and bunchgrass country between the pineywoods and the prairies. Brush sculpting, native grass restoration and prescribed fire are typical commitments here.
Texas Parks & Wildlife publishes separate wildlife-planning guidelines per ecoregion, and appraisal districts hold plans to their region's standards.
Which region governs your land?
Blackland Prairie — 45%
Where your tract sits decides which guidelines apply — Grimes County is mostly Post Oak Savannah, but Blackland Prairie country covers 45% of the county. If your land sits in the Blackland Prairie part, your plan follows Blackland Prairie standards.
Region shares computed from TPWD's Gould ecological-region map over Census county boundaries; region assignment per TPWD.
Where is your land in Grimes County?
Tap your part of Grimes County — the region it sits in governs your plan's intensity standards.
Tip: click anywhere on the map to drop a pin where your land is.
Get Grimes County's deadline — and keep your evidence organized
WildCaliche is built for the 1-d-1 wildlife valuation: an evidence vault for everything you do on the land, plan-aware compliance for Post Oak Savannah requirements, and the official PWD-888 annual report generated for your county's appraisal district.