Blog · October 14, 2026 · Texas
Using the Katy Plat Map
Lots in Katy trace back to recorded plats filed with the county.
Main page: Waller County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Buying a lot in a subdivision near Brookshire? Start with the Katy plat map, since it shows lots, streets and easements as approved. This Katy guide covers: where plats are filed, how a plat differs from a parcel map, and the details that matter to buyers.
Tracking down the Katy plat map
For land around Brookshire, the deed usually cites the plat; that makes the request quick.
Where the parcel data lives
Go first to the Waller CAD interactive map; it includes every assessed parcel around Prairie View and Pine Island. For a tract near Pine Island, type a street address, an owner's name or a parcel number, and the matching parcel lights up. If you're looking near Pattison, the record panel usually lists the owner of record, assessed acreage, the parcel number and sometimes recent sales.
Before you lean on the lines
Acreage on the record is an assessed number; just a licensed surveyor sets the real corners on land around Brookshire. For a home near Hempstead, records update in batches, so a deed recorded last month can take weeks to appear.
Replats and vacations
Lots near Pattison can be combined or reconfigured by a replat, so check for later filings; vacated streets or alleys also get recorded.
On site with the map
Most viewers work in a phone browser, useful out on a road near Prairie View, so load it before you lose signal. A screenshot of the parcel near Hempstead with its ID keeps working without signal.
When a parcel crosses a boundary
Waller County meets Austin County, Fort Bend County, Grimes County, Harris County, and Montgomery County, and each of those keeps its own parcel map. Acreage along the edge near Pattison may be split across two assessors' files, so check the adjacent map too. If you're looking near Pattison, the Platbookmapper state page links each bordering county map for Texas.
Where Katy fits in
Katy is part of Waller County, Texas, so its parcels are on the county's map. With a lot near Brookshire, the municipality handles things like zoning, permits and utilities within town limits, but the county runs assessment and recording. Acreage past the city limits toward Hempstead generally falls under county rules, not municipal ones.
Offices that can help
If the acreage or value on a parcel near Hempstead looks off are handled by the appraisal district, which maintains the tax roll. Zoning, permits and septic questions near Hempstead go to planning, building or health offices, and the answer depends on jurisdiction.
Sections, lots and bearings
Rural deeds near Pattison commonly use metes-and-bounds descriptions, listing bearings, distances and landmarks. Platted lots around Brookshire are typically described by lot and block, making them easier to find. Keep the legal description for land near Pine Island before you request a deed or survey.
Recorded plat or GIS layer
The Waller CAD interactive map draws parcels for taxes, but the recorded plat is what the deed relies on.
The paper trail behind a parcel
When the details count, request the recorded deed through the County Clerk; the parcel map near Pattison only summarizes it. For acreage around Hempstead, have ready the book and page shown in the record panel so staff can find the deed fast.
When there's no plat
Acreage around Pattison outside a subdivision is often described by metes and bounds or survey description; look for a recorded survey for land near Pine Island.
Getting your bearings
Hempstead holds the county offices, home to the main records offices. Smaller places on the map include Brookshire, Pattison, and Prairie View. Around 63,553 people live in Waller County (Census estimate, 2023) spread over some 513 square miles. Waller County was organized in 1873, which matters when you trace an old farm's title.
What a plat shows
Recorded easements around Brookshire can block a shed or pool; check the plat notes and any covenants.
Getting a copy
For a parcel near Pattison, some counties put plat images online, while others require a visit or a request; copy fees are usually small.
Quick answers
Is a plat map a survey near Brookshire?
Short answer: the plat near Hempstead is recorded, while the GIS layer is an approximation; trust the plat when they differ.
Are old plats online in Katy?
Generally, older plats near Hempstead may be on film or paper.
What does lot 7, block 3 mean near Pine Island?
Near Pine Island, lot and block refer to a numbered lot within a block on a recorded subdivision plat.
Where can I find the Katy plat map?
Recorded plats near Prairie View are filed with the County Clerk; small copy fees are common.
What's the tax parcel number used for near Prairie View?
It's the number the appraisal district uses to track a tract near Brookshire; you'll see it in the viewer and on tax statements.
Open the official Waller County, TX parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.