Before You Build in Allen, TX: Permit & Rule Checklist (2026)

Allen allows 8-foot rear and side yard fences and 4-foot front yard fences in residential zones under the Allen Land Development Code. Corner lots have additional visibility triangle restrictions.

Texas has no Good Neighbor Fence Act. Each Allen property owner is responsible for their own fence. Shared fence costs are a private civil matter unless a recorded agreement exists between neighbors.

Allen requires pool barriers of at least 48 inches around all in-ground and above-ground pools over 24 inches deep, per the 2021 International Swimming Pool and Spa Code adopted by the city. Self-closing, self-latching gates are mandatory.

Allen requires a fence permit for new construction, replacement of more than 50 percent, and any fence over 8 feet. Permit fees start at 50 dollars. HOA approval is separate and often required first.

Allen allows above-ground pools over 24 inches deep with a building permit. Barrier requirements and setbacks apply identically to in-ground. Temporary inflatable pools under 24 inches exempt.

Allen requires a building permit for any in-ground or above-ground pool capable of holding water over 24 inches deep. Plans, plot plan, and equipment layout reviewed under IRC and Allen LDC setbacks.

Hot tubs and spas in Allen must have a locking, lockable, or ASTM-compliant safety cover per Texas H&S Code 757. Permit required for electrical connection and plumbing tie-ins.

Allen requires 48-inch minimum barrier around all pools per Texas Health and Safety Code Ch. 757 and IRC Appendix G. Self-closing, self-latching gates with latches at least 54 inches above grade required.

Allen enforces Virginia Graeme Baker Act compliance for anti-entrapment drain covers, GFCI protection on all pool circuits, and proper bonding of metal components. Pool alarms recommended.

Converting a garage to living space in Allen requires a building permit, zoning review, and replacement covered parking to meet minimum off-street parking requirements. Most single-family districts mandate 2 enclosed spaces.

Allen does not permit detached accessory dwelling units as separate independent residences in single-family districts. Servants quarters or guest suites must share utilities with the primary home and cannot be rented separately under the Allen Land Development Code.

Carports in Allen are regulated as accessory structures under the Allen Land Development Code. Front-yard carports are generally prohibited in single-family districts; attached side or rear carports require a permit and must meet setbacks.

Permanent tiny homes in Allen must meet full 2021 IRC standards including minimum room sizes unless built under IRC Appendix AQ for tiny houses. Tiny homes on wheels are classified as RVs and cannot be used as permanent dwellings on residential lots.

Sheds 200 square feet or less and under 8 feet in height are exempt from building permits in Allen but must still meet zoning setbacks. Rear and side setbacks are typically 3 to 5 feet; sheds cannot be in front yards or easements.

Allen allows portable outdoor fireplaces and gas/propane fire pits on residential property under IFC 2021 Section 307 as adopted by the City. Wood-burning pits must be at least 15 feet from structures and combustibles, attended at all times, and never used during a Collin County burn ban.

Open burning of yard waste, trash, and construction debris is prohibited in Allen under TCEQ 30 TAC 111.219 and city fire code. Only small contained recreational cooking fires and ceremonial fires with Fire Marshal approval are permitted.

Allen regulates protected tree removal through the Tree Preservation Ordinance in the Allen Land Development Code. Removal of protected trees 6 inches DBH and larger on undeveloped, commercial, or multi-family property requires a permit and mitigation.

Allen is a North Texas Municipal Water District member city and enforces year-round twice-weekly outdoor watering limits. No irrigation between 10 AM and 6 PM April through October. Drought stages can further restrict to once weekly or prohibit landscape watering entirely.

Allen property owners must trim trees overhanging public sidewalks to 8 feet clearance and streets to 14 feet under City Code. Oak trees should not be pruned February through June to prevent oak wilt spread, per Texas A&M Forest Service guidance.