The wildlife exemption in Medina County
The wildlife exemption lets Medina County landowners hold on to their 1-d-1 agricultural valuation - and its tax savings - by managing land for native species like white-tailed deer and Rio Grande turkey. Because the county sits in the Edwards Plateau, TPWD's regional standards for that ecoregion set the bar your plan is judged against.
The Edwards Plateau - the Texas Hill Country - is a limestone tableland of live oak and ashe juniper savannah, cut by spring-fed creeks and steep canyons. Decades of overgrazing and juniper encroachment have degraded native grasslands here, which is exactly why wildlife management practices like brush control and native grass restoration carry so much weight with appraisal districts in this region.
The Edwards Plateau supports some of the densest white-tailed deer populations in North America - often exceeding one deer per 8–10 acres - which makes census counts and habitat management especially meaningful here. Typical target species for Medina County plans include white-tailed deer, Rio Grande turkey, bobwhite quail, black-capped vireo, golden-cheeked warbler, and a wide range of native songbirds and pollinators. The recurring habitat challenges - juniper (cedar) encroachment, overbrowsing by high deer densities, and declining spring flows - are what a good management plan turns into qualifying work.
On the ground in Medina County
Castroville sits on the Medina River, while Hondo anchors the flatter country farther west. North Medina County climbs into unmistakable Edwards Plateau canyonland; south of the escarpment the landscape becomes South Texas brush and farm ground. Habitat work should follow the tract. Northern properties may need juniper wildlife management, canyon and spring protection, water and browse recovery; southern tracts may center on thornscrub mosaics, native grass, riparian cover and water distribution. On Medina County ground, the plan should make that escarpment transition explicit instead of borrowing one formula for the entire county.
Medina County reads as Edwards Plateau habitat on the ground, but TPWD assigns it to the South Texas Plains wildlife-use appraisal region for reduced-tract acreage rules - two different maps, and the legal one controls the numbers below.
Is there an acreage minimum in Medina County?
Did the tract get smaller since January 1 of last year?
There is no wildlife acreage test in Medina County at all. Whatever the size, file Comptroller Form 50‑129 with a PWD‑885 plan. A 7-acre tract that already carried 1‑d‑1 (ag exempt) and was never split can convert with no penalties.
The Medina County appraisal district has published its figure. The legal minimum land requirement is 50 acres. Wildlife management property associations, and land designated as habitat for a special listed species: 20 acres.
Source: Medina County Appraisal District Wildlife Management Guidelines, December 2023.
See how Medina County compares: minimum acreage for all 254 Texas counties →
How it works here
Medina County follows the statewide 1-d-1 framework (Texas Tax Code §23.51(7)); the local variables are your appraisal district's filing habits and the Edwards Plateau intensity standards:
- Start from an existing ag or timber valuation. Wildlife management is a conversion of qualified open-space land - check eligibility if your status is unclear.
- File a wildlife management plan (TPWD form PWD‑885) with the Medina County appraisal district, attached to Comptroller Form 50‑129, between January 1 and April 30. What goes in the plan →
- Perform at least 3 of the 7 practices each year at Edwards Plateau intensity levels - see the local examples below.
- Document everything - dates, photos, quantities. When the chief appraiser requests an annual report (PWD‑888), you'll answer with records, not recollections.
- No minimum acreage applies unless your tract got smaller since January 1 of last year. If it did, Medina County's figure is covered above - the district picks one number for the whole county, and the plan is still the application either way.
The 7 practices, Edwards Plateau-style
These are the kinds of activities appraisal districts in the Edwards Plateau recognize as real management - your plan picks at least three. The Edwards Plateau region guide covers the species, habitat problems and intensity standards behind them.

