ADU Rules in El Paso, TX (2026)
ADU rules, permit requirements, size limits, and fees for El Paso, TX. Source-cited from official municipal code.
Yes, ADUs are allowed in El Paso, TX.
El Paso, TX permits accessory dwelling units (ADUs) on residential properties. ADUs — also called granny flats, in-law units, backyard cottages, or secondary suites — are secondary housing units on a single-family or multifamily lot. State and local law governs the approval process. In El Paso, the El Paso Development Services Department handles ADU permit applications. Below you will find the current size limits, setbacks, fees, and timeline for building an ADU in El Paso.
ADU Size Limits
ADU Size Limits in El Paso: Detached ADU: size varies by zoning — see official source (max height: varies — see official source). Attached ADU: size varies by zoning — see official source.
| Type | Max Size | Max Height |
|---|---|---|
| Detached ADU | See official source | See official source |
| Attached ADU | See official source | See official source |
Permit Fees
ADU Permit Fees in El Paso: Plan check fee: $150–$800. Building permit fee: Based on construction value — typically $500–$2,500. Impact fees: None. School fees: None or N/A. Total estimated permit cost: Varies.
| Fee Type | Amount |
|---|---|
| Plan Check | $150–$800 |
| Building Permit | Based on construction value — typically $500–$2,500 |
| Impact Fees | None |
| School Fees | None |
| Total Estimate | See official source |
Permit Timeline
El Paso ADU Permit Timeline: El Paso Development Services: plan review typically 3-6 weeks. Construction 4-8 months. El Paso has an online permit portal for minor projects. Apply through the El Paso Development Services Department online permit portal. Phone: (915) 212-0000.
Setback Requirements
ADU Setback Requirements in El Paso: Front setback: follows zone standard. Side setback: no minimum. Rear setback: no minimum.
Parking Requirements
Parking Requirements: 1 parking space per ADU required. El Paso is a car-dependent city — parking requirements reflect the limited transit network outside downtown. Fort Bliss military housing areas may have additional parking requirements.
Restrictions & Requirements
- ADU must be on same lot as primary residence
- Detached ADU must be clearly subordinate to primary dwelling
- ADU cannot be sold separately from the primary lot
- Must comply with El Paso Zoning Ordinance setback and coverage standards
- Maximum lot coverage limits apply — ADU footprint counts against coverage maximum
How Many ADUs Are Allowed?
Number of ADUs Allowed in El Paso: Single-family lots: 1 ADU per single-family lot. Multifamily properties: Subject to zone density provisions. El Paso allows one ADU per single-family residential lot. Texas has no state law mandating a higher number of ADUs per lot.
- Single-Family Lots
- 1 ADU per single-family lot
- Multifamily Properties
- Subject to zone density provisions
Statewide Preemption
ADU Preemption
We could not confirm a statewide ADU preemption statute for Texas.
View Texas preemption detailsHistoric District Considerations
Historic District Requirements: El Paso has 5 historic districts where additional design review may be required for ADU construction. Design review approval is required before obtaining a building permit for properties in historic overlay zones. El Paso has several locally-designated historic neighborhoods including Kern Place, Sunset Heights, Manhattan Heights, and the Downtown Historic District. El Paso's historic downtown includes Mission Trail properties, the El Paso Mission (Ysleta Mission, dating to 1682, one of the oldest continually operating missions in the US), and significant Spanish Colonial and Mission Revival architecture. Historic district properties may require a Certificate of Appropriateness from the El Paso Historic Landmark Commission before exterior changes. Look up historic district boundaries at: https://www.elpasotexas.gov/planning-and-inspections/
Frequently Asked Questions
Can I build an ADU in El Paso?
Yes. El Paso, TX allows accessory dwelling units. On a single-family lot you can build 1 ADU per single-family lot.
How big can an ADU be in El Paso?
The maximum size for a detached ADU in El Paso is 800 square feet.
How long does it take to get an ADU permit in El Paso?
The typical ADU permit timeline in El Paso is El Paso Development Services: plan review typically 3-6 weeks. Construction 4-8 months. El Paso has an online permit portal for minor projects.. Total estimated permit fees are $800–$4,000 total fees.
Do I need extra parking for an ADU in El Paso?
El Paso parking rules for ADUs: 1 parking space per ADU required. El Paso is a car-dependent city — parking requirements reflect the limited transit network outside downtown. Fort Bliss military housing areas may have additional parking requirements.
Do I have to live on-site to have an ADU in El Paso?
Owner-occupancy requirement in El Paso: No state-mandated owner-occupancy requirement. El Paso local code does not require owner-occupancy for ADU rental.
Source: El Paso Municipal Code Chapter 20.04 — Zoning Ordinance. Last verified April 6, 2026. View source