The Platting Process

What platting means

Platting converts a single legal parcel into a recorded subdivision — individually numbered lots that can be sold, financed, and permitted independently. The output of the process is a plat: a scaled drawing plus legal description that becomes binding once recorded. Until land is platted (where platting is required), most jurisdictions will not issue building permits for it — which is why platting is the true start of a construction project's public paper trail.

The five stages of the platting process

Terminology and details vary by jurisdiction, but nearly every platting process moves through the same five stages. Larger subdivisions often split stage four into two separate approvals — a preliminary plat that locks the layout and a final plat that gets recorded. That two-step variant is covered in the preliminary vs. final plat guide.

1. 01
   Survey and drafting (2–8 weeks)

   A licensed surveyor or civil engineer performs a boundary survey and drafts the plat: lot lines, blocks, easements, rights-of-way, reserves, and the written legal description. Complexity of the parcel — odd boundaries, existing easements, floodplain — drives the timeline.

2. 02
   Pre-application review (1–3 weeks)

   Most cities offer or require an informal meeting with planning staff before formal submission. Staff flag zoning conflicts, required right-of-way dedications, drainage concerns, and access problems while they are still cheap to fix.

3. 03
   Formal submission

   The applicant files the plat with the planning department along with fees and supporting documents — proof of ownership, tax certificates, drainage analysis, and the surveyor's certification. The application becomes a public record at this point.

4. 04
   Staff review and revision (4–12 weeks)

   Planning, engineering, public works, utilities, and fire review the plat against subdivision regulations. Comments go back to the applicant; the surveyor revises and resubmits. Two or three review cycles are normal. Infrastructure obligations — street dedications, utility extensions, detention — get settled here.

5. 05
   Decision and recording

   The plat goes to the planning commission for a vote (minor and amending plats are often approved administratively by staff). Once approved and all conditions are met, the plat is recorded with the county clerk and the new lots legally exist.

Platting requirements

Exact requirements live in each jurisdiction's subdivision ordinance, but the recurring core set is:

• A boundary survey by a licensed surveyor. The legal foundation of the plat — every lot line traces back to it.
• Conformance with subdivision regulations. Minimum lot sizes, street widths, block lengths, and access standards.
• Right-of-way dedication. If the city's thoroughfare plan calls for wider streets along the parcel, the plat must dedicate the land.
• Utility and drainage easements. Reviewing departments require easements wide enough to serve every lot.
• Drainage analysis and detention. Larger subdivisions must demonstrate stormwater runoff will not increase, often by reserving land for detention.
• Tax certificates. Proof that property taxes on the parent parcel are paid current.
• Owner and lienholder signatures. Everyone with a recorded interest in the land must consent to the subdivision.

Who is involved

Owner / developer

Initiates the plat, pays for it, and signs the owner certifications.

Surveyor / civil engineer

Drafts the plat, responds to review comments, and seals the boundary survey.

Planning department

Routes the application, coordinates department review, and recommends action to the commission.

Reviewing departments

Engineering, public works, utilities, and fire — each checks the plat against its own standards.

Planning commission

Votes to approve, conditionally approve, defer, or deny the plat at a public meeting.

County clerk

Records the approved plat, at which point the subdivision becomes legally effective.

Why the platting process matters for contractors

Each stage of the platting process leaks information about the project to come. The submission names the developer entity and the engineering firm. The plat itself states the lot count, acreage, and land use — the rough scale and trade mix of the eventual construction. The commission agenda dates the project's momentum. A contractor reading plat activity systematically sees projects 6–12 months before the permit feed does, while the bid list is still open.

In Houston specifically, the whole process is visible through the Planning Department's PlatTracker portal — covered in the PlatTracker walkthrough.

Common questions

For the document itself — what a plat contains and the different plat types — start with what is a plat. To learn to read the drawing, see how to read a plat map.