Tomball DWI Lawyer

Pull out whatever paperwork they handed you. Somewhere on it is a county name, and until you know which one it says, nobody can tell you much of anything useful about your case.

The City of Tomball sits in Harris County — its own ordinances are headed “City of Tomball, Harris County, Texas,” and that’s where most Tomball DWI cases end up. But the Tomball people actually live in runs well past the city limits and over the county line. A Tomball mailing address, a Tomball ZIP, a Tomball high school: none of them settle the question. A stop on the wrong stretch of FM-2920 or SH-249 lands you in Montgomery County, answering to a different District Attorney in a courthouse thirty miles from the one you assumed.

That single fact reshapes everything downstream — how your bond gets set, how quickly you have to move, and whether a second chance is realistically on the table at all.

Call Blass Law at 713-664-4000.

The Same Arrest, Two Very Different Cases

Two drivers get stopped the same night, a few miles apart, both with Tomball addresses. Both blow the same number. Here’s what actually diverges:

If it’s Harris County, the case goes downtown to the Criminal Justice Center at 1201 Franklin. Bond is the easy part — Harris operates under a federal consent decree from the ODonnell case, and its rules push toward releasing most misdemeanor arrestees on a personal bond quickly. There’s a diversion program that ends in dismissal, and the application window is baked into the court’s own scheduling order at roughly the 120-day mark.

If it’s Montgomery County, the case goes to Conroe. There’s no consent decree pushing toward release. And the District Attorney’s office describes pre-trial diversion in writing as “an extraordinary remedy” that not every defendant is entitled to even be considered for — with a published list of things that weigh against you that includes a refusal, a crash “no matter how minor,” and any prior alcohol history at all, down to an old Minor in Possession.

Same conduct. Same night. One driver has a structured path to a dismissal with a deadline on it. The other has to persuade a skeptical office to make an exception.

That’s why the first thing we do on a Tomball case is establish the county — and why the answer changes the strategy immediately rather than eventually.

What We Do About It

Neither county gets a free pass on proving its case, and that’s where we start regardless of which one you’re in.

Every DWI rests on a chain of things the State had to do correctly. The stop needs a real reason, not one reverse-engineered in the report. The arrest needs probable cause that existed before the handcuffs. A breath instrument has to be maintained and run by someone who followed the manual. A blood draw has to be done properly and handled by a lab that can account for it. Break one link and the case looks very different — suppressed evidence, reduced charges, outright dismissals.

When the evidence won’t hold up and the risk calculation favors you, we take it to twelve people. That willingness isn’t posturing, and prosecutors in both counties can tell the difference between a file being worked up for trial and one being worked up for a plea.

Diversion has its place, and in the right case it’s the smart outcome. But it’s the floor, not the goal — and it’s certainly not the opening move.

Harris County: The Details That Matter

Prosecution runs through the Harris County District Attorney’s Office under DA Sean Teare, who ran that office’s Vehicular Crimes Division for six years before winning the job. DWI isn’t a side interest there.

A first or second offense is a misdemeanor and lands in one of 16 Criminal Courts at Law downtown. A third offense, intoxication assault, or intoxication manslaughter is a felony and goes to a district court in the same building — the county opened three more felony courts in October 2024 working through backlog.

Booking happens at the Joint Processing Center on N. San Jacinto, where intake, magistration, and the bond decision all take place before anyone goes anywhere else.

On refusals: the DA has stated publicly that Harris intends to remain a “no refusal county,” with prosecutors available around the clock to help officers get blood warrants signed. Declining the breath test doesn’t end the inquiry — it just means the evidence arrives by warrant instead, and warrants are documents with requirements that can be tested.

Montgomery County: The Details That Matter

Prosecution runs through the Montgomery County District Attorney’s Office in Conroe under DA Mike Holley. Misdemeanors go to County Court at Law No. 1, 4, or 5 on West Davis Street; felonies to the 9th, 221st, 359th, or 435th District Court on West Phillips, the same building as the DA. Booking is the county jail on Criminal Justice Drive.

The county runs a TxDOT-funded No Refusal program it describes as a national model — an on-duty prosecutor drafts the warrant, an on-call judge reviews it, and a nurse draws the blood. It covers Lake Conroe as well, where it reaches boating cases.

On diversion: the disqualifying factors listed above are real, but they are factors weighed by a prosecutor with discretion, not automatic bars. Exceptions get made. They get made for people whose lawyer put a written case in front of the office early — not for people who read the list, assumed they were finished, and waited. If you do get in, the current contract runs a year and requires an ignition interlock.

Who Actually Pulled You Over

Inside the city limits it’s usually Tomball PD. Outside them, it very often isn’t.

Tomball sits at the far northern edge of a county the Harris County Sheriff’s Office covers across 1,788 square miles and 41 municipalities. Add precinct constables, the Montgomery County Sheriff’s Office on the other side of the line, and DPS troopers working SH-249 and FM-2920, and a large share of “Tomball” DWI arrests are made by someone other than city police.

Worth knowing for one reason: the agency on your paperwork is a clue about where you were stopped, and where you were stopped determines who prosecutes you.

Your License Is on a Separate, Faster Clock

This part is identical in both counties, and it’s the deadline people blow.

The suspension of your license isn’t handled by the criminal court at all. It’s a civil matter — Administrative License Revocation — run by DPS and heard by the State Office of Administrative Hearings, and it runs on its own schedule while your criminal case is still getting started.

The clock depends on how the State got its evidence. Breath test — whether you refused it or failed it — gives you fifteen days from the moment you were handed notice. Blood taken with results returned later stretches that to twenty days, counted from the day DPS put the notice in the mail. Let either window close without filing and there is no hearing to have; the suspension simply begins on the fortieth day.

The cost of letting it lapse: 180 days minimum off a refusal, 90 off a failed test, plus $125 to get the license back.

File in time and the suspension is stayed — you keep driving while the case plays out. The larger benefit is that it forces the arresting officer to testify under oath months ahead of any trial, walking through the stop and the tests while his memory is unrehearsed and nobody has prepared him for cross-examination. That transcript doesn’t go away.

Why Blass Law

Jay Blass Cohen has defended DWI cases since 2009.

He holds the ACS-CHAL Forensic Lawyer-Scientist certification from the American Chemical Society, covering the science behind alcohol and drug testing, and he’s a certified practitioner and instructor in Standardized Field Sobriety Testing — trained to administer the same roadside tests you were given, and to show a jury precisely where they were administered wrong.

Men’s Health interviewed him about a case he won by demonstrating that a keto diet can throw a false breath-test result.

We try cases, and we’ve taken not-guilty verdicts out of juries — including a commercial driver who failed everything at the roadside and again at the station.

If you were arrested anywhere near Tomball, start with the county. We’ll figure that out in the first conversation, and the plan follows from there.

Talk to a Tomball DWI Lawyer