Illustrated Post Oak Savannah with open grassland, scattered oaks and a doe with her fawn.

Post Oak Savannah Ecoregion

Washington County Wildlife Exemption

How to get - and keep - a 1-d-1 wildlife management valuation on Washington County land: deadlines, the appraisal district, and the practices that fit this part of Texas.

Ecoregion
Post Oak Savannah
County seat & CAD
Brenham, Texas
Application window
January 1 – April 30
Core requirement
Form 50‑129 + PWD‑885 · 3 of 7 qualifying practices annually

The wildlife exemption in Washington County

Washington County land qualifies for the same wildlife management valuation used across Texas - same statute, same forms - but the practices that succeed here are pure Post Oak Savannah. Get the regional details right and the tax side takes care of itself.

The Post Oak Savannah rolls between the Blackland Prairies and the Pineywoods - a mosaic of post oak and blackjack oak woodlands, improved pastures, and sandy-loam soils. Much of this region was converted to bermudagrass pasture, so wildlife management here often centers on restoring native plant communities and managing the yaupon understory that shades out forage.

The Post Oak Savannah carries strong and growing deer populations, and its patchwork of woods and pasture makes it one of the most practical regions in Texas to run a credible wildlife management program on 20–100 acres. Typical target species for Washington County plans include white-tailed deer, Rio Grande turkey, bobwhite quail, mourning dove, and grassland songbirds. The recurring habitat challenges - yaupon and eastern redcedar encroachment, bermudagrass monocultures with little wildlife value, and habitat fragmentation from subdivision - are what a good management plan turns into qualifying work.

On the ground in Washington County

Brenham and Washington-on-the-Brazos sit in rolling post-oak and German farm country between Houston and Austin. Pasture, scattered oak, ponds and creek bottoms give rural tracts a lot of usable habitat edge even when the land has been grazed for generations. The habitat work can restore native grass and forbs, retain oak cover in connected blocks, protect riparian corridors and improve water. What matters in Washington County is a plan that can look like habitat woven through an old farm or ranch, not a separate wildlife preserve.

Washington County lies in the Post Oak Savannah and is assigned to TPWD's Post Oak Savannah wildlife-use appraisal region - the legal map that sets the reduced-tract acreage rule below.

Is there an acreage minimum in Washington County?

Did the tract get smaller since January 1 of last year?

No ➔

There is no wildlife acreage test in Washington 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.

Yes ➔

The Washington County appraisal district has published its figure. The legal minimum land requirement is 16.7 acres. Wildlife management property associations, and land designated as habitat for a special listed species: 11 acres.

Source: Agricultural & Wildlife Policies of the Washington County Tax Appraisal District (1d1 Agricultural Use Policy Manual), February 17, 2026.

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See how Washington County compares: minimum acreage for all 254 Texas counties →

How it works here

Washington 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 Post Oak Savannah 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 Washington 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 Post Oak Savannah 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, Washington 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, Post Oak Savannah-style

These are the kinds of activities appraisal districts in the Post Oak Savannah recognize as real management - your plan picks at least three. The Post Oak Savannah region guide covers the species, habitat problems and intensity standards behind them.

1

Habitat control

Mechanical yaupon and cedar control, converting bermudagrass paddocks back to native bunchgrasses, and prescribed burns to maintain the savannah structure.

2

Erosion control

Gully shaping and re-seeding on sandy soils, filter strips of native grass along drainages, and pond-dam repair with erosion-control seeding.

3

Predator control

Feral hog trapping, coyote and bobcat management balanced for deer fawn survival, and fire ant control around quail nesting areas.

4

Supplemental water

Adding wildlife ramps and shallow edges to stock tanks, building small wetland cells below pond spillways, and installing guzzlers in pasture corners.

5

Supplemental food

Cool-season food plots of oats, wheat and clover, strip-disking to encourage native forbs like croton and ragweed, and protecting oak mottes for acorn production.

6

Providing shelter

Half-cutting cedars for instant quail covey headquarters, leaving brush piles after clearing, and maintaining native grass nesting cover at least 12 inches tall.

7

Census counts

Spotlight deer counts on ranch roads, fall covey call counts for quail, trail camera surveys, and dove cooing counts.

Filing & the appraisal district

DateWhat happens in Washington County
January 1Valuation date - land is judged on its use and qualification as of this day.
Jan 1 – Apr 30File Form 50‑129 with your PWD‑885 plan at the Washington County appraisal district (Brenham).
After Apr 30Late applications accepted until the appraisal roll certifies, with a 10% penalty on that year's savings.
On requestThe chief appraiser may require a PWD‑888 annual report - many districts ask annually. Keep logs so the answer is one click away.

The Washington County appraisal district is headquartered in Brenham. For current mailing addresses, phone numbers, and any locally adopted wildlife-use ratio, use the Texas Comptroller's county directory - and confirm details before filing; districts occasionally adjust procedures year to year.

The cost of letting it slip

Losing qualification means market-value taxes going forward - and if the land's use changes to non-agricultural, rollback taxes: the previous three years of tax savings, recaptured in one bill. On typical Washington County acreage that's easily five figures. How rollback works →

Washington County questions

Washington County wildlife exemption FAQ

The questions Washington County landowners ask most - answered against this county’s appraisal district and the Post Oak Savannah standards its plans are judged by.

How many acres do you need for a wildlife exemption in Washington County?
For most tracts, there is no minimum at all. Washington County applies no acreage test to wildlife management use unless your tract was reduced in size since January 1 of the preceding year. If it was, the Washington County appraisal district applies the figure it has adopted: 16.7 acres. The district sets 11 acres for land in a wildlife management property association. A tract that was never split can convert at any size, so long as it already carries a 1‑d‑1 (ag exempt) valuation. Source: Agricultural & Wildlife Policies of the Washington County Tax Appraisal District (1d1 Agricultural Use Policy Manual), February 17, 2026.
What is the wildlife exemption filing deadline in Washington County?
April 30. The window opens January 1 and closes April 30 - file Comptroller Form 50‑129 with a TPWD PWD‑885 wildlife management plan attached at the Washington County appraisal district in Brenham. Miss it and the district still accepts a late application until the appraisal roll certifies (typically mid-July), but with a 10% penalty on that year’s tax savings. One trap catches new owners every year: buying land that already holds the valuation does not carry it over to you - you have to file your own application.
Do I need an existing ag exemption to get a wildlife exemption in Washington County?
Yes. Wildlife management is a qualifying use within the 1-d-1 open-space valuation, not a separate exemption - so the land has to already carry an agricultural or timber productivity valuation on the day you convert. If it does, converting changes the qualifying activity and nothing else: the productivity value carries over from your previous ag category, so your tax bill does not move. If the land lost its valuation, you would requalify the ordinary way first - agricultural use for 5 of the preceding 7 years - and then convert. The conversion playbook →
Which wildlife management practices qualify in Washington County?
Any three of the seven named in Texas Tax Code §23.51(7): habitat control, erosion control, predator control, supplemental water, supplemental food, providing shelter, and census counts. The list is statewide, but the standard you are judged against is regional - Washington County is Post Oak Savannah country, so the Washington County appraisal district expects work sized to Post Oak Savannah intensity levels and aimed at the problems that actually limit wildlife here: yaupon and eastern redcedar encroachment, bermudagrass monocultures with little wildlife value, and habitat fragmentation from subdivision. Habitat control, supplemental water, and census counts are the most common opening three. See what each one looks like here →
What species should a Washington County wildlife management plan target?
Whatever you name, it has to be indigenous - Texas Tax Code §23.51(7) qualifies land used to sustain a breeding, migrating, or wintering population of native wild animals, and that is the species test that actually decides qualification. In the Post Oak Savannah, plans are usually built around white-tailed deer, Rio Grande turkey, bobwhite quail, mourning dove, and grassland songbirds. The Post Oak Savannah carries strong and growing deer populations, and its patchwork of woods and pasture makes it one of the most practical regions in Texas to run a credible wildlife management program on 20–100 acres. Introduced species are the common trap: exotics like axis deer or blackbuck may live on the property, but managing for them (alone) earns you nothing toward your three practices - so confirm every species you name in the plan is native to Texas before you file.
Does Washington County require a PWD-888 annual report every year?
The chief appraiser may require one whenever they ask - that is the statutory standard, and many Texas districts ask annually or on a review cycle. The practical answer is to assume it is coming: keep dated records, photos, and quantities for every practice as you go, and the report is a formality instead of a scramble. Landowners rarely lose a valuation because the work was not done; they lose it because the work could not be proven. What a strong PWD‑888 looks like →
Will switching from cattle to wildlife trigger rollback taxes in Washington County?
No. Rollback under Texas Tax Code §23.55 is triggered by a change to a non-agricultural use - developing, paving, or subdividing the land. Moving from grazing to wildlife management is a change of use within 1-d-1, so the valuation continues uninterrupted and no recapture is owed. What does carry risk is letting the land go idle: land quietly used for nothing agricultural can be treated as having changed use. A documented wildlife plan is precisely how you stay out of that gray zone. How rollback works →
Who approves the wildlife exemption in Washington County - TPWD or the appraisal district?
The appraisal district. The Washington County appraisal district’s chief appraiser reviews your Form 50‑129 and PWD‑885 plan and decides whether the land qualifies, the same as for any agricultural application. Texas Parks & Wildlife publishes the forms and the ecoregion guidelines your plan should match, but it does not approve individual properties and has no vote on your valuation. The district is headquartered in Brenham; current contact details are in the Texas Comptroller’s county directory.

Looking for the statewide picture? The full Texas wildlife exemption FAQ covers eligibility, plans, practices, reports, and rollback in depth.

The Post Oak Savannah counties closest to Washington County - same ecoregion, same intensity standards, and largely the same ground:

Austin CountyBurleson CountyWaller CountyBrazos CountyGrimes CountyLee County All 254 counties
Rio Grande wild turkey and northern bobwhite quail among native Texas grasses and limestone

Protect your Washington County valuation.

Bring your previous report and field records. Keep this year’s practices, county feedback, and next PWD‑888 together.

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