Fence & Deck Work in Collin County, TX
Most people assume that once you are past the city limit sign in Texas, nobody is regulating your fence. In three of the five counties we work in, that is broadly right, and in Dallas County it holds except inside the floodplain. In Collin County it is wrong on ordinary dry ground, and it catches people out constantly.
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What Collin County requires
Collin County requires a Development Permit for any project that will result in disturbance of ground or addition of footprint on a parcel. The county’s own guidance names fences explicitly.
- The part that surprises people: it applies if you are outside city limits but within Collin County, including unincorporated land and within any city ETJ. A large part of the growth ring around Princeton, Lucas, Farmersville and Josephine is ETJ. Being past the city limit sign does not put you outside the requirement.
- No contractor registration. Unlike Rockwall County, Collin does not require contractors to register with the county.
- No general zoning in unincorporated areas, with narrow exceptions. So there is no county height limit and no county material rule. The permit is about ground disturbance and addressing, not design. Your height limit comes from your deed restrictions or your HOA.
- Collin County does not address raw land. An address is conferred through the permitting process, which matters if you are building on a new tract.
Read from published county and city documents on 22 August 2026. Rules and fees change, so we confirm for your address before we pull anything.
Cities inside Collin County we work in
The cities here publish very different fence ordinances, and they do not agree with each other.
| City | Fence permit |
|---|---|
| Princeton – requires a minimum 6 ft fence in side and back yards of most single-family districts. Wood posts prohibited. Permit on work over 20 ft | $75 |
| Lucas – 6 ft allowed in front yards, but anything inside a setback must be 50% see-through. Repairs need no permit | $75 |
| Sachse (Collin portion) – footing depths written into code, 24 in. under 7 ft and 36 in. above. Vinyl prohibited | $75 |
| Wylie – on the Collin County side of our range | See city |
We also work Nevada, Lavon, Josephine, Farmersville, Copeville and Branch. Branch and Copeville are unincorporated communities, so the Collin County Development Permit applies to a fence there directly.
Full detail for every city we cover, including post specs and material rules, is in our city-by-city permit guide.
The most Houston Black of the five counties we work in
Collin County is the most Houston Black of the five counties we work in, at 43 percent of mapped land. That is the Texas state soil and one of the most expansive in the country.
74 percent of the county is rated high or very high for shrink-swell across the top three feet, with 65.5 percent sitting in the very high band. Houston Black moves about 13 percent of its length between wet and dry, and the USDA documents cracks half an inch to four inches wide at twelve inches deep, staying open 90 to 150 cumulative days in a typical year.
Collin County is not uniform, though. Austin silty clay is the county’s second most common soil, and around Lucas in the south-central county there is a meaningful Austin and Stephen silty clay component. Those are shallower calcareous soils over chalk and marl, and they move far less, around 5 percent against Houston Black’s 13. On long runs and acreage lots we do not assume one condition end to end.
Soil figures computed from USDA-NRCS SSURGO county data. These are county-level figures, not parcel-level. A specific address needs its own lookup, which we do before quoting a long run.
Collin County is one of five we cover from Royse City. Compare every city on our permit guide, or see the whole service area.
Fence & deck contractor serving Collin County
Collin County is the one county in our range where being past the city limit sign does not put you outside anyone’s jurisdiction on ordinary dry ground. Dallas County reaches a fence too, but only inside the floodplain. The Development Permit covers ground disturbance and footprint, fences named explicitly, and it applies inside city ETJs as well as on unincorporated land. There is no county height limit and no county material rule, so what actually constrains your design out here is your deed restrictions and your HOA.
Collin County fence & deck areas
Tap your city for local details, neighborhoods and a free estimate.
What We Build
Cedar fences, custom decks, repairs and staining for homes throughout Collin County.
Fence Installation
Cedar privacy and board-on-board fences built with proper posts, concrete footings and quality lumber.
See fence building →Fence Repair
Leaning sections, broken pickets, rotted posts and storm damage — repaired or replaced fast.
See fence repair →Deck Building
Custom wood and composite decks designed for your yard and framed to code.
See deck building →Solid work, fair prices, no surprises
We set posts deep in concrete, use quality cedar and coated fasteners, and give you a clear written estimate before any work starts. You get the same quality and upfront pricing on every job, big or small.
Collin County Fence & Deck FAQs
I am outside city limits. Do I need a permit for a fence?
In Collin County, yes. A Development Permit is required for anything that disturbs ground or adds a footprint, and fences are specifically named. It also applies inside city ETJs.
Is there a county height limit?
No. Collin County has no general zoning in unincorporated areas. Your height limit comes from your deed restrictions or your HOA.
Do you have to register as a contractor in Collin County?
No. Collin does not require it. Rockwall County does, and we are registered there.
Which city here has the strictest fence rules?
It depends what you mean by strict. Princeton requires you to have a fence at all, and prohibits wood posts. Sachse and Princeton both write post depth into the code, 24 and 36 inches in Sachse and two feet in Princeton. Lucas is the most permissive on height and the only one that exempts repairs entirely.