Montgomery County Property Tax Estimator
2025 rates for every Montgomery County city, school district and special district, preloaded. Pick your units, enter your value.
Short answer: Montgomery County's rate is 0.377%. A $400,000 homestead in Conroe pays about $6,298.96 a year at a combined 1.9071%.
Build your estimate
| Taxing unit | Rate | Exemption | Taxable value | Tax |
|---|
Montgomery County example
To match it, pick Conroe and Conroe ISD, then tick Lone Star College System, Montgomery County Hospital District, enter $400,000 and choose homestead: yes.
- Montgomery County $1,508
- Conroe $1,709
- Conroe ISD $2,469
- Lone Star College System $424
- Montgomery County Hospital District $189
| Unit | Taxable | Rate | Tax |
|---|---|---|---|
| Montgomery County | $400,000 | 0.377%$0.377 per $100 | $1,508.00 |
| Conroe | $400,000 | 0.4272%$0.4272 per $100 | $1,708.80 |
| Conroe ISD | $260,000 | 0.9496%$0.9496 per $100 | $2,468.96 |
| Lone Star College System | $400,000 | 0.106%$0.106 per $100 | $424.00 |
| Montgomery County Hospital District | $400,000 | 0.0473%$0.0473 per $100 | $189.20 |
| Total | 1.9071%$1.9071 per $100 | $6,298.96 |
- Appraisal district: Montgomery Central Appraisal District (MCAD)
- Protest deadline: May 15 (next business day if that falls on a weekend), or 30 days after the notice is mailed — whichever is later (Tax Code §41.44). Check your notice.
Questions
What is the Montgomery County property tax rate?
Montgomery County's own 2025 rate is 0.377% ($0.377 per $100). Cities add 0.1821% to 0.63% and school districts 0.8015% to 1.2552%, so your total depends on your address.
How much is property tax on a $400,000 home in Conroe?
About $6,298.96 a year for a homestead, at a combined 1.9071% (Montgomery County, Conroe, Conroe ISD, Lone Star College System, Montgomery County Hospital District), after the $140,000 school homestead exemption and before any local optional exemptions.
What exemptions does the estimator apply?
Only the state school-district homestead exemption: $140,000, or $200,000 if you are 65+ or disabled. County, city and special-district exemptions vary by unit and are not assumed.
Where do I find my exact taxing units in Montgomery County?
Look up your property on Montgomery Central Appraisal District (MCAD). Your account lists every unit that taxes it, including MUDs and ESDs.