| Official Name: | Pinebrook, Texas |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Texas#USA |
| Pushpin Label: | Pinebrook |
| Coordinates: | 30.3092°N -95.8761°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Grimes |
| Area Footnotes: | [1] |
| Area Total Km2: | 7.16 |
| Area Land Km2: | 7.11 |
| Area Water Km2: | 0.05 |
| Population As Of: | 2020 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 338 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 77363 (Plantersville) |
| Area Code: | 936 |
| Blank Name: | FIPS code |
| Blank Info: | 48-57494 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805781 |
Pinebrook is an unincorporated community and census-designated place (CDP) in Grimes County, Texas, United States. It was first listed as a CDP prior to the 2020 census.
The CDP is in the southeastern part of the county, 2miles southwest of Plantersville and southeast of Navasota. An extension of the Aggie Expressway (Texas State Highway 249) is slated to pass just south of the community. The highway leads southeast to Interstate 45 at Aldine, north of Houston.
Pinebrook first appeared as a census designated place in the 2020 U.S. Census.
| White alone (NH) | 206 | 42.47% | |
| Black or African American alone (NH) | 5 | 1.03% | |
| Native American or Alaska Native alone (NH) | 1 | 0.21% | |
| Asian alone (NH) | 0 | 0.00% | |
| Pacific Islander alone (NH) | 0 | 0.00% | |
| Other race alone (NH) | 1 | 0.21% | |
| Mixed race or Multiracial (NH) | 29 | 5.98% | |
| Hispanic or Latino (any race) | 243 | 50.10% | |
| Total | 485 | 100.00% |
It is within Navasota Independent School District,[3] which operates Navasota High School.