Mostyn Manor property tax rate
Unincorporated Magnolia ISD area, Montgomery County, TX · No MUD mapped · School: Magnolia ISD
Taxing units and rates
All 11 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 |
| Montgomery County ESD 10 | 0.0963 | 2026 · County Tax Office |
| Combined | 1.5664% |
Not in the combined rate: PID assessments, TIRZ (which do not add a tax), and HOA dues.
This combined rate is higher than about 0% of the 6,100 fully verified subdivision sections in Montgomery County, and 0.35 percentage points below the county median of 1.91% — about $1,382 a year less 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 | $4,699 | $392 | $3,394 |
| $400,000 | $6,266 | $522 | $4,960 |
| $500,000 | $7,832 | $653 | $6,526 |
| $750,000 | $11,748 | $979 | $10,442 |
*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
636 parcels: 557 single-family homes; 70 vacant lots; 3 rural/acreage; 3 commercial/industrial; 3 other (utility, personal, minerals).
Residential buildings with a recorded year built: 556; built 2001–2025 (average 2014); average main living area about 3,310 sq ft.
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 (11)
| Section | Plat name | MCAD code | Combined | Confidence | Parcels |
|---|---|---|---|---|---|
| 01 | Mostyn Manor 01 | S730800 | 1.5664% | high | 67 |
| 02 | Mostyn Manor 02 | S730802 | 1.5664% | high | 68 |
| 03 | Mostyn Manor 03 | S730803 | 1.5664% | high | 97 |
| 04 | Mostyn Manor 04 | S730804 | 1.5664% | high | 59 |
| 05 | Mostyn Manor 05 | S730805 | 1.5664% | high | 51 |
| 06 | Mostyn Manor 06 | S730806 | 1.5664% | high | 20 |
| 07 | Mostyn Manor 07 | S730807 | 1.5664% | high | 70 |
| 08 | Mostyn Manor 08 | S730808 | 1.5664% | high | 59 |
| 10 | Mostyn Manor 10 | S730810 | 1.5664% | high | 41 |
| 11 | Mostyn Manor 11 | S730811 | 1.5664% | high | 56 |
| 12 | Mostyn Manor 12 | S730812 | 1.5664% | high | 48 |
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.