Zip code 77449 is located entirely within Harris County, Texas. While the broader Katy area spans across Harris, Fort Bend, and Waller counties, this specific zip code sits firmly in the western sector of Harris County, just west of Houston.
If you're looking at property taxes, voter registration, or emergency services for an address starting with 77449, your local jurisdiction falls under Harris County governance. Understanding how this zip code interacts with municipal boundaries and school districts prevents common confusion for newcomers and homebuyers.
Geographic Boundaries of the 77449 Zip Code
The 77449 zip code covers a densely populated suburban region north and west of Interstate 10, extending outward toward Barker Cypress Road and Greenhouse Road. It borders other major Katy-area zip codes like 77450 and 77494, which often leads to the mistaken belief that parts of 77449 cross into Fort Bend County.
In reality, the southern boundary of 77449 runs close to the I-10 corridor, keeping the entire footprint north of the county line separating Harris and Fort Bend counties.
Key Neighborhoods in 77449
- Cullen Park area: Residential developments nestled near the sprawling parklands.
- Westfield: One of the established master-planned subdivisions in the eastern portion of the zip code.
- Riata Ranch: A major residential community located north of FM 529.
- Bear Creek periphery: Neighborhoods situated along the western edges of the Addicks Reservoir watershed.
County Services and Jurisdiction
Living in 77449 means your local municipal services, road maintenance, and law enforcement are managed by Harris County rather than Fort Bend County.
Law Enforcement and Courts
- Constable Precinct: Most residents in 77449 fall under the jurisdiction of the Harris County Constable Precinct 5 office, which handles local patrol and civil papers.
- Sheriff's Office: Unincorporated areas are patrolled by the Harris County Sheriff's Office.
Property Taxes and Appraisal District
Because this zip code is in Harris County, your property value is assessed by the Harris Central Appraisal District. Your annual property tax bill will combine rates from Harris County, the Harris County Flood Control District, the Port of Houston Authority, and local emergency services districts, alongside your school district taxes.
School Districts Serving 77449
Zip code boundaries and school district boundaries rarely match up perfectly in Texas. While the 77449 zip code is anchored in Harris County, the children living here attend schools across two different districts depending on their exact street address.
- Katy Independent School District (Katy ISD): Serves the western and southern portions of the zip code. Katy ISD is widely recognized across Texas for academic performance and extracurricular programs.
- Cypress-Fairbanks Independent School District (Cy-Fair ISD): Serves the northern and eastern portions of the zip code. Cy-Fair ISD is another massive, high-performing district in the Houston metropolitan area.
Always verify the exact school assignment using the district boundary tools before purchasing or renting a home in this zip code.
Frequently Asked Questions
Does any part of 77449 touch Fort Bend County?
No. While the city of Katy as a whole spans Harris, Fort Bend, and Waller counties, the 77449 zip code is located exclusively within Harris County.
Which appraisal district evaluates homes in 77449?
Homes in 77449 are evaluated by the Harris Central Appraisal District (HCAD) because the zip code sits inside Harris County limits.
Is 77449 considered part of the city of Katy or unincorporated Harris County?
Most of the 77449 zip code consists of unincorporated Harris County, though portions fall within the extraterritorial jurisdiction (ETJ) of Houston or Katy.
Which emergency services district operates in 77449?
Fire protection and emergency medical services are typically provided by local Harris County Emergency Services Districts (ESDs), such as ESD No. 48, depending on your exact neighborhood.
