BuildingPermitCost

Building Permit Fees in Allen, TX (2026)

Allen prices building permits with $0.55 per square foot, then charges plan review at $0.15 per square foot. Enter your project to see the exact math.

  • Official city schedule
  • Effective not stated
  • Verified Nov 5, 2026
Minimum fee
—
Plan review
Separate
$75k addition
$280

Permit fee calculator

Allen schedule
Project type
Estimated permit fees $280.00
  1. 1. Building permit fee
    400 sq ft × $0.55
    $220.00
  2. 2. Plan review fee
    400 sq ft × $0.15
    $60.00

Fees are estimates based on the official schedule linked below. Confirm with the permit office before applying. Separate electrical, plumbing, mechanical, fire, impact, utility and school fees are usually not included unless they are listed. BuildingPermitCost is not a government permit office, and this is not legal advice.

What common projects cost

Kitchen or bath remodel
$25,000 value, remodel 300 sq ft
n/a
No building-permit formula for this project type.
Room addition
$75,000 value, addition 400 sq ft
$280.00
$220.00 building permit + $60.00 plan review
New single-family home
$350,000 value, new single-family 2,400 sq ft
$1,680.00
$1,320.00 building permit + $360.00 plan review

How Allen calculates your permit fee

The city charges a building permit fee using $0.55 per square foot. Plan review is a separate charge: $0.15 per square foot.

The fee table

Residential single-family, duplex, townhome new construction; additions and accessory structures over 400 sq ft

$0.55 per square foot.

Commercial new construction, finish out, shell, additions, and commercial/multifamily alteration (Fee Table 1)

Project valueFee
$1 – $500$23.50
$501 – $2,000$23.50 for the first $500 + $3.05 per additional $100 or fraction
$2,001 – $25,000$69.25 for the first $2,000 + $14.00 per additional $1,000 or fraction
$25,001 – $50,000$391.25 for the first $25,000 + $10.10 per additional $1,000 or fraction
$50,001 – $100,000$643.75 for the first $50,000 + $7.00 per additional $1,000 or fraction
$100,001 – $500,000$993.75 for the first $100,000 + $5.00 per additional $1,000 or fraction
$500,001 – $1,000,000$3,233.75 for the first $500,000 + $4.75 per additional $1,000 or fraction
Over $1,000,000$5,608.75 for the first $1,000,000 + $3.15 per additional $1,000 or fraction

What counts as project value

Floor area (square feet). Residential new construction (single-family, duplex, townhome) and additions are priced per square foot. Commercial uses Fee Table 1 by total valuation; the schedule says any fee not mentioned is based on actual cost and then determined using Fee Table 1. How commercial valuation is determined is not stated.

Worked example: a $350,000 new home

  1. Building permit fee: 2,400 sq ft × $0.55 = $1,320.00
  2. Plan review fee: 2,400 sq ft × $0.15 = $360.00
  3. Total before trade permits: $1,680.00.

Fees people miss

May also apply (not in the totals above)

  • Certificate of Occupancy: when a certificate of occupancy is issued (e.g. a new dwelling); $125.00 on the standard projects.
FeeAmount
Contractor registrationWhen: contractor not yet registered for the year $50.00 annually
ReinspectionWhen: failed inspection $75.00 1st; 2nd $100; 3rd $125
After-hours inspectionWhen: after-hours inspection $75.00 per hour, 2 hour minimum
Inspections (no fee otherwise specified)When: unlisted inspection $75.00 per hour
Outside consultants for plan checking/inspectionsWhen: outside consultant used actual cost
Commercial plan revisionsWhen: commercial plan revisions $75.00 first page, $15 each additional page
Commercial early plan review / foundation-only surchargeWhen: early plan review or foundation-only permit $500.00 greater of 10% of plan review fee or $500
Multifamily new constructionWhen: multifamily project $450.00 per unit plus 25% plan review fee
Commercial landscape irrigationWhen: commercial irrigation $10.00 per zone (min $75, max $500)
Temporary Certificate of OccupancyWhen: temporary CO requested $200.00 each
Duplicate permitWhen: duplicate requested $5.00 each

How to apply

  1. Gather your plans and your project's total value and floor area.
  2. Submit to City of Allen Community Development, Building & Permitting Division online through Citizen Self Service (EnerGov) portal.
  3. Pay the permit and plan review fees when invoiced.
  4. Questions: 214-509-4130 · 305 Century Parkway, Allen, TX 75013

How Allen compares

A $75,000 addition costs $280.00 in Allen: 66% below the national median of $820.58, and the 7th highest of 17 places we cover in Texas (state median $264.82).

A $350,000 new home costs $1,680.00 in Allen: 42% below the national median of $2,918.63, and the 7th highest of 20 places we cover in Texas (state median $1,448.00).

Same standard projects everywhere, including plan review and required surcharges. All Texas places · Compare side by side

Allen permit fee FAQ

How much is a building permit in Allen, TX?

A $75,000 addition: $280.00. A $350,000 new single-family: $1,680.00. These include every fee the schedule applies to that project; trade permits are separate.

Is plan review included in the Allen permit fee?

No. Plan review is charged separately at $0.15 per square foot.

How does Allen determine project value?

Floor area (square feet). Residential new construction (single-family, duplex, townhome) and additions are priced per square foot. Commercial uses Fee Table 1 by total valuation; the schedule says any fee not mentioned is based on actual cost and then determined using Fee Table 1. How commercial valuation is determined is not stated.

When did these Allen fees take effect?

The schedule does not state an effective date. We last checked it against the official source on Nov 5, 2026.