HB 787
bill to let counties exempt rain barrels from property tax
Filed
Caption
relating to the authority of a county commissioners court to adopt
an exemption from ad valorem taxation by each taxing unit that taxes
the property of the portion of the appraised value of a person's
property that is attributable to the installation in or on the
property of certain water conservation systems.
Caption from analyzed text · version I.
Summary
County votes, every taxing unit loses the value. Starts 2028, if voters agree.
The bill lets a county commissioners court vote to exempt from property tax the added value a rainwater harvesting or graywater system brings to a property. Once a county adopts it, the exemption applies to every taxing unit that taxes that property, not just the county. It takes effect January 1, 2028, and only if voters approve a matching constitutional amendment.
Labels
Labels: BACK FROM THE DEAD. Same text as a bill filed before that died: 89R HB 1256 (Did not pass). Filed in 2 sessions, counting this one. Checked against 88R and 89R only.TRY NO. 2. Filed in 2 sessions: 89R and 90R. Checked against 88R and 89R only.
Receipt
The receipt
90R-HB787 · 2026-11-09
ITEM
relating to the authority of a county commissioners court to adopt
an exemption from ad valorem taxation by each taxing unit that taxes
the property of the portion of the appraised value of a person's
property that is attributable to the installation in or on the
property of certain water conservation systems.
WHAT IT DOES
County votes, every taxing unit loses the value. Starts 2028, if voters agree.
The bill lets a county commissioners court vote to exempt from property tax the added value a rainwater harvesting or graywater system brings to a property. Once a county adopts it, the exemption applies to every taxing unit that taxes that property, not just the county. It takes effect January 1, 2028, and only if voters approve a matching constitutional amendment.
TOTAL
No fiscal note in the loaded record.
FILED UNDER
No flags
THANK YOU FOR CHECKING THE RECEIPT
CAMPAIGN PAID FOR BY
CAMPAIGN PAID FOR BY
Donors
Not tied to this bill.
Sources
The author's campaign account only. Own money and internal transfers are separate on the member page.
Derived itemized flow · Oct 27, 2024 to Oct 24, 2026. State data as of Nov 4, 2026.
Derived itemized contributions on live regular reports and uncovered special-session dates. Internal account transfers and daily reports are excluded.
Texas Trial Lawyers Association PAC$25,000.00
Texas Trial Lawyers Association PAC
$25,000.00
- Cash
- $25,000.00
- Paid by others
- $0.00
- Total
- $25,000.00
Also funds 137 other sitting lawmakers.
Derived recipient stock · Jul 24, 2024 to Oct 23, 2026. State data as of Nov 4, 2026.
TEC account match.
TeamSources
Derived itemized flow · Dec 12, 2024 to Oct 13, 2026. State data as of Nov 4, 2026.
Derived itemized contributions on live regular reports and uncovered special-session dates. Internal account transfers and daily reports are excluded.
Report IDs: 101012412, 101032309, 101061964, 101072091.
Texas Sands PAC$22,000.00
Texas Sands PAC
$22,000.00
- Cash
- $22,000.00
- Paid by others
- $0.00
- Total
- $22,000.00
Also funds 121 other sitting lawmakers.
Derived recipient stock · Jul 3, 2024 to Oct 24, 2026. State data as of Nov 4, 2026.
TEC account match.
TeamSources
Derived itemized flow · Dec 12, 2024 to Oct 13, 2026. State data as of Nov 4, 2026.
Derived itemized contributions on live regular reports and uncovered special-session dates. Internal account transfers and daily reports are excluded.
Report IDs: 101012412, 101032309, 101061964, 101072091.
Sandy Spears$11,545.00
MoneyMissing data does not establish zero giving. Display amounts are rounded.
×Texas Trial Lawyers Association PAC
$25,000.00
- Cash
- $25,000.00
- Paid by others
- $0.00
- Total
- $25,000.00
Also funds 137 other sitting lawmakers.
Derived recipient stock · Jul 24, 2024 to Oct 23, 2026. State data as of Nov 4, 2026.
TEC account match.
TeamSources
Derived itemized flow · Dec 12, 2024 to Oct 13, 2026. State data as of Nov 4, 2026.
Derived itemized contributions on live regular reports and uncovered special-session dates. Internal account transfers and daily reports are excluded.
Report IDs: 101012412, 101032309, 101061964, 101072091.
×Texas Sands PAC
$22,000.00
- Cash
- $22,000.00
- Paid by others
- $0.00
- Total
- $22,000.00
Also funds 121 other sitting lawmakers.
Derived recipient stock · Jul 3, 2024 to Oct 24, 2026. State data as of Nov 4, 2026.
TEC account match.
TeamSources
Derived itemized flow · Dec 12, 2024 to Oct 13, 2026. State data as of Nov 4, 2026.
Derived itemized contributions on live regular reports and uncovered special-session dates. Internal account transfers and daily reports are excluded.
Report IDs: 101012412, 101032309, 101061964, 101072091.
Votes
No floor vote loaded for this bill.
Fiscal
No fiscal note in the loaded record.
How this was graded
Analysis of text version I by a super-expensive superintelligence, Nov 9, 2026, against the published rubric.
FILED BEFORE
Filed 2 times: 89R and now. Checked against 88R and 89R only.
89R HB 1256
by Rep. Zwiener, same lead author · Did not pass · same text
Introduced textLast action, Apr 28, 2025: Reported favorably w/o amendment(s)
Relating to the authority of a county commissioners court to adopt an exemption from ad valorem taxation by each taxing unit that taxes the property of the portion of the appraised value of a person's property that is attributable to the installation in or on the property of certain water conservation systems.
Caption, 89R bill history
Sources
Texas House · Filed Nov 9, 2026
11/09/2026 H Filed
Texas Legislature Online · Introduced
Data snapshot Nov 10, 2026 at 2:36 AM CST. Grades, charges, quotes and corrections follow the published record.
Subjects
Taxation--Property-Appraisals & Appraisal Districts
Taxation--Property-Exemptions
Water--Conservation (I097L)
Water--General
Text
The text as introduced · 294 words
90R2001 MLH-F
By: Zwiener
H.B. No. 787
A BILL TO BE ENTITLED
AN ACT
relating to the authority of a county commissioners court to adopt
an exemption from ad valorem taxation by each taxing unit that taxes
the property of the portion of the appraised value of a person's
property that is attributable to the installation in or on the
property of certain water conservation systems.
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS:
SECTION 1. Subchapter B, Chapter 11, Tax Code, is amended by
adding Section 11.325 to read as follows:
Sec. 11.325. WATER CONSERVATION SYSTEMS. (a) In this
section, "graywater" has the meaning assigned by Section 341.039,
Health and Safety Code.
(b) The commissioners court of a county by order may adopt
an exemption from taxation of the portion of the appraised value of
a person's property that is attributable to the installation in or
on the property of a rainwater harvesting or graywater system. An
exemption adopted by a commissioners court under this section
applies to the taxation of property by each taxing unit that taxes
the property.
SECTION 2. This Act applies only to ad valorem taxes imposed
for a tax year that begins on or after the effective date of this
Act.
SECTION 3. This Act takes effect January 1, 2028, but only
if the constitutional amendment to authorize the commissioners
court of a county to exempt from ad valorem taxation by each
political subdivision that taxes the property the portion of the
assessed value of a person's property that is attributable to the
installation in or on the property of a rainwater harvesting or
graywater system is approved by the voters. If that amendment is
not approved by the voters, this Act has no effect.