Permit Review Detail
Review Status: Requires Resubmit
Review Details: RESIDENTIAL ADU v.3
Permit Number - TC-RES-0226-00778
Review Name: RESIDENTIAL ADU v.3
Review Status: Requires Resubmit
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 04/06/2026 | Bldg Permits - Post Review Express | PENDING ASSIGNMENT | |||
| 04/02/2026 | Addressing Validation | REQUIRES RESUBMIT | For questions: PDSD-Permits@tucsonaz.gov It appears unit numbers have been added to this parcel. However, a change of address is required. The change of address request can be submitted through the sub records of this permit. This change of address request is to add the unit number for the ADU to this permit. Instructions can be found here to request change of address: https://www.tucsonaz.gov/files/sharedassets/public/v/2/pdsd/documents/tdc-faq/new-pdfs/sub-records.pdf |
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| 04/06/2026 | Residential Building | REQUIRES RESUBMIT | TC-RES-0226-00778 PLAN REVIEW COMMENTS Plan review for the above referenced structure has been completed. This letter reflects comments to be addressed. For facilitating a shorter back check time, please provide updated plans and calculations with a written response to each of the notated items indicating action taken. Do not cloud the changes made for comment updates; revisions are processed if changes occur after the permit is issued. SCOPE OF REVIEW: The scope of this plan review covers architectural, plumbing, mechanical, energy conservation and electrical. All code references are to the 2024 International Residential Code. All features were checked only to the extent allowed by the submittals provided. All portions of this project are assumed to meet or will meet other departmental requirements, conditions, and concerns before permit approval. GENERAL REQUIREMENTS: The City of Tucson adopted the 2024 IRC with amendments and building ordinances for all dwellings. Provide a separate response letter addressing each comment with location of change on the plans. GENERAL COMMENTS: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Codes/Building-Codes 1. Show compliance with the Inclusive Home Design Ordinance adopted by the City of Tucson Ordinance #10463 on 10/16/2007. Notate accessible route, minimum door width, changes in floor elevation, door hardware, electrical outlet reach range, grab bar reinforcement, etc. SITE PLAN: 1. A living unit with kitchen is considered a dwelling. Replace the structure description from “New Sleeping Quarters” to ADU, R106.1.1. PLANS: 1. Notate a cool (white) roof finish (greater than 60 SRI) as required by the ADU provisions. 2. Show a maximum ½” floor elevation changes at a notated accessible route entrance on the floor plan, R106.1.1. Include all threshold conditions for a route from the exterior into the living space. 3. Provide a minimum 6 mil polyethylene vapor retarder with joints lapped not less than 6 inches between the concrete floor slab and the base course or the prepared subgrade where a base course does not exist, R506.3.3. SECTIONS - DETAILS: 1. An unvented roof assembly requires an air-impermeable rigid insulation material with a minimum R-5 value applied correctly to either side of the roof sheathing, R806.5. Show a roof design with insulation types and minimum thickness for meeting the condensation control requirement and the minimum total insulation value of R-38. Clarify the ceiling/roof insulation detail showing the air-impermeable rigid insulation material adhered to either side of the roof sheathing and the batt insulation in contact with the roof material. MECHANICAL PLANS: 1. Provide (an HVAC system with fresh air intake) whole-house mechanical ventilation with controlled exhaust, R303.4; N1103.6 & M1505.4. Identify the device model number providing an adjustable setting and note the minimum continuous setting. A two or three-bedroom dwelling under 1501 SF requires a 45 CFM continuous setting. 2. Provide makeup air of not less than 100 square inches where a clothes dryer is placed in a closet, M1502.6.1. ELECTRICAL PLANS: 1. Show a surge-protective device (SPD) as an integral part of or placed immediately adjacent to the service equipment, E3606.5. 2. Identify island receptacles with vertical assemblies listed for countertop (work surface) mounting, E3901.4. 3. Provide GFCI protection for appliance receptacle outlets, E3902.12. Include: 1. Drinking water coolers 2. High pressure spray washing machines 3. Sump pumps 4. Dishwashers 5. Electric ranges 6. Wall-mounted ovens 7. Counter-mounted cooking units 8. Clothes dryers 9. Microwave ovens INTERNATIONAL ENERGY CONSERVATION CODE: 1. Energy Certificate: (Mandatory) place near the indoor furnace or in utility room, N1101.14. Add notation to plans. If you have any questions, please contact: Kenneth.VanKarsen@tucsonaz.gov City of Tucson Residential Building Safety |
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| 04/02/2026 | PDSD Application Completeness Express | REVIEW COMPLETED |