Residential Addition / Alteration / Remodel Permit in Las Cruces, New Mexico
VerifiedRequired for additions, alterations, and remodels to existing single-family dwellings, townhouses, and duplexes in Las Cruces. Uses the same $0.20/sq ft fee structure as new residential construction, applied to the work area.
Verified 2026-07-02 · Source
When you need this permit
- Remodels and additions follow the same permitting process as new construction, based on the work area identified in the construction plans
- Site plan required for all project types
- Construction plans with work description required
- A signed contract between permittee and property owner, with proof of ownership, required
- Apply online through the City of Las Cruces Citizen Portal (Accela)
Required documents
- Required
Building Permit Application
Submitted online through the City of Las Cruces Citizen Portal (Accela)
- Required
Site Plan
Required for all project types
- Required
Construction Plans with Work Description
Scope of addition/alteration work
- Required
Signed Contract Between Permittee and Property Owner
With some form of identification of ownership
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Building Permit Fee — remodels and additions | $0.20 per square foot of the work area identified in the construction plans; minimum permit fee $50 | City of Las Cruces 2023 Schedule of Fees, Residential Building Permit Fee section: 'Remodels and additions follow the same process based on the work area identified in the construction plans.' |
| Plan Check Fee | 25% of the building permit fee | City of Las Cruces 2023 Schedule of Fees |
| Technology Fee — Residential Alteration and Addition | $20 per permit | City of Las Cruces 2023 Schedule of Fees, Administrative Fees section |
| Addendum Fee | $45.00 per reviewer | City of Las Cruces 2023 Schedule of Fees — for additional plan review required by changes, additions, or revisions to approved plans, as determined by the Building Official |
Review timeline
3–3 business days
Las Cruces’s published plan-review target
Inspection process
- 1
Frame
After framing, fire blocking and bracing in place and rough MEP complete
- 2
Weather-Resistive Barrier
After installation of weather-resistive barrier, before covered (exterior work)
- 3
Final
All work complete per approved plans; final electrical, plumbing, mechanical inspections conducted first
Tips
- Additions and remodels use the same $0.20/sq ft fee as new construction, but applied only to the work area shown in your construction plans — not the whole house.
- A signed contract between the permittee and property owner with proof of ownership is required for all project types, including remodels.
- Standard review timeline is 3 business days.
Frequently asked questions
- How is the permit fee calculated for a home addition in Las Cruces?
- The same $0.20 per square foot rate used for new construction applies to additions and remodels, but is calculated based only on the work area identified in your construction plans, with a $50 minimum permit fee. Source: City of Las Cruces 2023 Schedule of Fees.
Sources & verification
Verified against official sources. Last reviewed 2026-07-02.
- City of Las Cruces Community Development Department — Building and Development Services (One Stop Shop) — official building department
- City of Las Cruces 2023 Schedule of Fees (effective February 1, 2023) (PDF)
- Residential Construction Process (City of Las Cruces, PDF)
- Apply for a Permit | City of Las Cruces
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Las Cruces building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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