Audubon Heron Run property tax rate
Unincorporated Magnolia ISD area, Montgomery County, TX · MUD: Audubon MUD 3 · School: Magnolia ISD
Taxing units and rates
All 9 mapped sections share the same taxing units.
| Taxing unit | Rate per $100 | Tax year · source |
|---|---|---|
| Montgomery County | 0.386 | 2026 · County Tax Office |
| Montgomery County Hospital District | 0.0458 | 2026 · County Tax Office |
| Lone Star College System | 0.1058 | 2026 · County Tax Office |
| Magnolia ISD | 0.9325 | 2026 · County Tax Office |
| Audubon MUD 3 | 1.15 | 2026 · County Tax Office |
| Audubon WCID | 0.3 | 2026 · County Tax Office |
| Montgomery County ESD 10 | 0.0963 | 2026 · County Tax Office |
| Combined | 3.0164% |
Not in the combined rate: PID assessments, TIRZ (which do not add a tax), and HOA dues.
This combined rate is higher than about 94% of the 6,100 fully verified subdivision sections in Montgomery County, and 1.10 percentage points above the county median of 1.91% — about $4,418 a year more on a $400,000 home.
Within Unincorporated Magnolia ISD area, developments range from 1.5664% (7301 FM 1488 Development) to 3.0664% (Colton). See all 338.
Estimated yearly property tax
| Taxable value | Yearly, no exemptions | Per month | Yearly w/ school homestead* |
|---|---|---|---|
| $300,000 | $9,049 | $754 | $7,744 |
| $400,000 | $12,066 | $1,005 | $10,760 |
| $500,000 | $15,082 | $1,257 | $13,776 |
| $750,000 | $22,623 | $1,885 | $21,318 |
*Applies only the mandatory $140,000 school-district homestead exemption (Texas Tax Code §11.13(b)). Other units may offer optional homestead exemptions plus over-65/disabled exemptions, so a homestead bill is often lower. Taxable value is the appraised value, which can differ from the price paid.
Estimate the true monthly cost of a home here →
What's here
628 parcels: 24 single-family homes; 601 vacant lots; 2 rural/acreage; 1 exempt (common areas, public).
Residential buildings with a recorded year built: 24; built 2025–2026 (average 2025); average main living area about 3,050 sq ft.
A large share of vacant lots usually means a development is still building out; utility district rates in new districts often change as homes are added.
Source: MCAD parcel records via Montgomery County GIS parcel layer (property-type codes and improvement data), retrieved Oct. 29, 2026. Counts only; no owner data used.
Sections (9)
| Section | Plat name | MCAD code | Combined | Confidence | Parcels |
|---|---|---|---|---|---|
| 01 | Audubon Heron Run 01 | S246200 | 3.0164% | high | 66 |
| 02 | Audubon Heron Run 02 | S246202 | 3.0164% | high | 95 |
| 03 | Audubon Heron Run 03 | S246203 | 3.0164% | high | 68 |
| 04 | Audubon Heron Run 04 | S246204 | 3.0164% | high | 89 |
| 05 | Audubon Heron Run 05 | S246205 | 3.0164% | medium | 72 |
| 06 | Audubon Heron Run 06 | S246206 | 3.0164% | high | 85 |
| 08 | Audubon Heron Run 08 | S246208 | 3.0164% | high | 35 |
| 09 | Audubon Heron Run 09 | S246209 | 3.0164% | high | 65 |
| 10 | Audubon Heron Run 10 | S246210 | 3.0164% | high | 53 |
Other developments in Audubon MUD 3
All developments in Audubon MUD 3 →
Rates: Montgomery County Tax Office and Texas Comptroller (plus official district documents where noted in data notes). Districts: Montgomery County GIS, checked against MCAD parcel records. See sources & method.
Informational only. This site is not tax, legal, financial, or real estate advice, and it is not affiliated with Montgomery County, the Montgomery Central Appraisal District, the Montgomery County Tax Office, or any other government body. Rates are nominal (before exemptions) and come from public sources that can be wrong or out of date. District boundaries here are approximate. Always verify a specific property on the MCAD property search and confirm current rates with the Montgomery County Tax Office.