The short version
- Katy is the only place we serve that sits in three counties — Harris, Fort Bend and Waller. Two crashes a few miles apart can belong in three different courthouses.
- Harris County claims go to the Harris County Civil Courthouse, 201 Caroline St, Houston. Fort Bend claims go to the Fort Bend County Justice Center, 1422 Eugene Heimann Cir, Richmond.
- The crash pattern here is set by I-10 through the Energy Corridor and the Grand Parkway (SH-99) — freight traffic and long commuter runs on the same roads as the master-planned communities.
- An I-10 truck collision is not a bigger car case: the driver is governed by the federal motor carrier safety rules, which Texas adopts and applies uniformly statewide (§ 644.051–.052).
- Two years to file (§ 16.003(a)); six months written notice if a governmental unit is involved (§ 101.101); no recovery above 50% responsibility (§ 33.001).
Questions people ask after a Katy crash
Tap a question to open it.
Which of the three counties will my Katy case be filed in?
The one where the incident happened, or where the defendant lives — and in Katy that genuinely varies street by street. Most of Katy sits in Harris County, so most claims are filed at the Harris County Civil Courthouse, 201 Caroline St, Houston, TX 77002. Cinco Ranch and the areas south of I-10 largely fall in Fort Bend County, whose Justice Center is at 1422 Eugene Heimann Cir, Richmond, TX 77469. The western edge reaches into Waller County. This is worth establishing at the outset, because refiling in the correct county costs months against a deadline that does not pause.
Why do so many serious Katy claims come off I-10?
Because I-10 through Katy is simultaneously the region's main east–west freight corridor and the commuter route for the Energy Corridor. That puts loaded tractor-trailers and stop-start commuter traffic in the same lanes at the same times, and adds the managed-lane transitions and the SH-99 interchange, where merging conflicts concentrate. The result is a higher proportion of heavy-vehicle involvement than the surrounding suburbs would suggest, and heavy-vehicle involvement is what turns a survivable collision into a catastrophic one.
What makes an 18-wheeler case different from the car crash beside it?
The evidence and the opponent. A commercial driver is governed by the federal motor carrier safety regulations, which Texas adopts — the director must adopt rules consistent with the federal regulations and may adopt them by reference under § 644.051, and § 644.052(a) applies them uniformly statewide while preserving the hours-of-service exemptions in 49 C.F.R. Part 395. That creates a documentary trail no car case has: electronic logging device data, driver qualification files, maintenance records, dispatch data. It also means the carrier's rapid-response investigators are often at the scene while you are still in an emergency room.
What if the crash happened on the Grand Parkway or a toll road?
The ordinary rules of the road still apply, but two practical things change. Toll roads and managed lanes carry electronic transaction records that can establish a vehicle's time and position independently of any witness, which is useful evidence rarely available on surface streets. And the operating authority may be a governmental entity, which raises the possibility of a claim subject to the Texas Tort Claims Act — six months' written notice under § 101.101 and statutory damage caps. Identifying who operates the roadway is therefore worth doing early.
What happens if my employer is in the Energy Corridor but I live in Katy?
Where you live does not determine anything; where the incident happened and where the defendant is do. A commuter injured on I-10 has an ordinary motor vehicle claim wherever they sleep. But if the injury happened at work rather than on the road, an entirely different framework applies: whether the employer subscribes to workers' compensation decides whether § 408.001(a) makes benefits the exclusive remedy against them, or whether § 406.033(a) strips their defences as a non-subscriber. Those are separate questions and both can arise from the same commute.
Where do I get treated and does the choice matter to my claim?
Go to the nearest appropriate emergency department — that decision should be medical, not strategic. What matters to the claim is continuity afterwards: a gap between the incident and the first medical record, or between visits, is the argument an adjuster will make regardless of where you were first seen. Keep every discharge instruction and follow the referrals. The one practical caution is that some facilities and providers assert liens against a future recovery, so keeping the paperwork matters when the settlement is later distributed.
When does the county line question actually need answering?
Before suit is filed, which in practice means well before the two-year deadline. Until then it affects mainly which crash report you request and from whom, since the investigating agency follows the location too. But once a claim moves toward litigation the county determines the court, the local rules and the timetable, so an incorrect assumption discovered late is expensive. If you are unsure which side of the line a crash happened on, the coordinates from a phone photograph taken at the scene will usually settle it.
When should I contact someone after a Katy crash?
Before the evidence goes. Businesses along I-10 and the Grand Parkway have camera systems that routinely overwrite within days; vehicles are repaired or scrapped; and where a commercial carrier is involved, electronic data sits on retention cycles measured in months. Texas allows two years from accrual under § 16.003(a), but that is the outer boundary. A free conversation early costs nothing and preserves options — a written preservation demand cannot be sent retroactively.
Why does the insurer ask whether I was commuting or working?
Because the answer can change who pays and how much is available. A driver acting in the course and scope of employment brings their employer into the case, usually with commercial insurance limits far above the $30,000 statutory minimum under § 601.072. Conversely, if you were working, your own employer's workers' compensation status becomes relevant to what you can claim and from whom. The question is legitimate, but it is not small talk, and the answer should be accurate rather than approximate.
Why is a low-speed collision on a Katy arterial still worth taking seriously?
Because repair cost is a poor proxy for injury and the insurer knows it is a cheap argument. Modern bumpers absorb energy and return to shape, so a modest estimate is entirely consistent with significant force reaching occupants. The way that argument is answered is medical rather than rhetorical — prompt evaluation, consistent treatment, imaging where indicated, and a physician who can address causation. Gaps in treatment damage this issue far more than photographs of an intact bumper ever do.
How is fault decided at a Katy intersection when accounts differ?
By evidence that exists independently of both drivers. Signal phase and timing data from the operating authority establishes who had the movement. Camera footage from nearby businesses and homes shows the sequence. The event data recorder in one or both vehicles captures speed and braking. And the physical evidence — crush pattern, debris field, final rest positions — indicates the angle and order of impact. Independent witnesses matter and the crash report lists them, but the physical record is what holds when two accounts conflict.
How much does it cost to have you look at a Katy case?
Nothing to ask. The consultation is free, there is no obligation, and representation is on a contingency fee — a percentage of the recovery, no fee if there is no recovery — set out in a written agreement before you sign. We take Katy cases from the Houston office on the Southwest Freeway; there is no Katy branch, and the map on this page shows the route with Google's own drive time so you can judge the journey rather than take a claim about it.
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Recent Houston-area crashes of this kind
These are reported incidents from July 2026 onward, linked to the outlet that covered them. We were not involved in these cases and describe them only as published.
- Two 18-wheelers crash at I-10 and SH-99, one left hanging from the overpass ABC13 / KTRK, July 2026
- 18-wheeler and car collide on I-10 near Eldridge ABC13 / KTRK, July 2026
Related Houston claims we handle
Where we are in Houston
Maida Law Firm
8313 Southwest Fwy Ste 102, Houston, TX 77074
We are on the Southwest Freeway, minutes from the 610 Loop and Sharpstown, and we see clients from across Harris County.
About the authors

Sam A. Maida, Jr.
Owner and Managing Attorney
Sam A. Maida, Jr. has represented injured Texans in the greater Houston area since the firm opened in 1993.
State Bar of TexasAvvoMartindale-HubbellLawLinkThatCarHitMeLinkedIn

Bernard G. Johnson III
Litigation Managing Attorney
Bernard G. Johnson III is a board certified trial lawyer licensed in Texas since 1996 and a graduate of South Texas College of Law.
Areas We Serve
Maida Law Firm has represented injured Texans across the greater Houston area since 1993. Beyond Katy, we handle cases in:
- Baytown — ExxonMobil refinery workers, Houston Ship Channel mariners, and accident victims.
- Galveston — Jones Act, cruise injury, Longshore Act, and offshore platform claims.
- Pasadena — Refinery, petrochemical, workplace, and auto accident claims.
- Sugar Land — Serving Sugar Land and Fort Bend County.
- The Woodlands — Serving The Woodlands and Montgomery County, including auto, truck, and wrongful death claims.
Serving Katy from our Houston office
Maida Law Firm
8313 Southwest Fwy Ste 102, Houston, TX 77074
We take Katy cases from this Houston office. There is no Katy branch — the consultation is free, and nothing is owed unless we recover for you.
Which court handles a Katy injury case?
Katy lies in parts of 3 counties — Harris, Fort Bend and Waller. A Texas injury suit is normally filed in the county where the crash or incident happened or where the defendant lives, so the courthouse that handles your case depends on which side of the county line you were on.
| County | Courthouse | Address |
|---|---|---|
| Harris County | Harris County Civil Courthouse | 201 Caroline St, Houston, TX 77002 |
| Fort Bend County | Fort Bend County Justice Center | 1422 Eugene Heimann Cir, Richmond, TX 77469 |
| Waller County | Waller County Courthouse | 400 Sheriff R Glenn Smith Dr, Hempstead, TX 77445 |
Texas injury deadlines and limits at a glance
| Question | Texas rule | Where it comes from |
|---|---|---|
| Deadline to file most injury lawsuits | Two years from the day the cause of action accrues. | Tex. Civ. Prac. & Rem. Code § 16.003(a) |
| Deadline when an injury causes death | Two years, running from the date of death. | Tex. Civ. Prac. & Rem. Code § 16.003(b) |
| If you were partly at fault | You recover nothing if your share of responsibility is greater than 50 percent. | Tex. Civ. Prac. & Rem. Code § 33.001 |
| Claim against a city, county or state agency | The governmental unit must receive notice within six months of the incident — and a city charter may require notice sooner. | Tex. Civ. Prac. & Rem. Code § 101.101 |
| Cap on exemplary (punitive) damages | The greater of $200,000, or twice economic damages plus noneconomic damages up to $750,000. | Tex. Civ. Prac. & Rem. Code § 41.008(b) |
| Cap on noneconomic damages against a physician or provider | $250,000 per claimant on a health care liability claim. | Tex. Civ. Prac. & Rem. Code § 74.301(a) |
Where a Katy case is filed
Harris County Civil Courthouse
201 Caroline St, Houston, TX 77002
Katy sits in Harris County and 2 more — see the table above, so this is normally where a suit arising there is filed.
Deadlines are shorter than most people expect, and some are shorter than the two years above. The figures here are the general statutory rules, verified against the Texas Civil Practice and Remedies Code, and are general information — not legal advice about your case. Ask a lawyer about your own deadline before you rely on any of it.
Personal injury law provides relief to individuals harmed by another party’s negligent, reckless, or intentional actions. Common Katy personal injury cases include: