Permit Review Detail
Review Status: Requires Resubmit
Review Details: RESIDENTIAL ADU v.1
Permit Number - TC-RES-0426-01639
Review Name: RESIDENTIAL ADU v.1
Review Status: Requires Resubmit
| Review Date | Reviewer's Name | Type of Review | Description | Status | Comments |
|---|---|---|---|---|---|
| 04/22/2026 | Residential Engineering | APPROVED | Proposed fence must remain out of the ROW. Accessible route shall conform to 2017 ICC A117.1 Sections 402 and 403 and City of Tucson Inclusive Home Design Ordinance. |
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| 04/22/2026 | Bldg Permits - Post Review Express | PENDING ASSIGNMENT | |||
| 04/08/2026 | Addressing Validation | REQUIRES RESUBMIT | For questions: PDSD-Permits@tucsonaz.gov The permit and plan show to be for an Accessory Dwelling Unit (ADU) and requires to be separately addressed. Please contact Pima County Addressing at addressing@pima.gov or 520-724-9512 to assign/add the units or a new address for this ADU. Please resubmit your plans and all supporting permit documents to reflect the updated address, in addition, a change of address request will need to be submitted in order to properly update the location of 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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| 04/09/2026 | Residential Building | REQUIRES RESUBMIT | TC-RES-0426-01639 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. PLANS: 1. Notate a cool (white) roof finish (greater than 60 SRI) as required by the ADU provisions. 2. 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. Update the last bullet note on S1.0 & S1.1. The plan must show the vapor if the engineer’s analysis is not provided. A revision may be submitted after the permit is issued if the analysis is later obtained. SECTIONS - DETAILS: 1. Show a detail providing a calculated eave venting area of 1/150 for eave only venting or show the size and location of rigid venting when applying the 1/300 calculation for upper and lower venting, R806.3. Detail #17 on S3.0 is undersized without rigid venting. MECHANICAL PLANS: 1. Show the HVAC system size for the building demand in accordance with M1401.3, M1601.1. 2. Provide demand calculations in accordance with Manual J standards, M1401.3, M1601.1. ELECTRICAL PLANS: 1. TEP may require the service panel for the property at the closest building to the service transformer. A service line change or a new meter location must be coordinated with TEP for approval. Show an underground feeder from a metered service panel to the more distant dwelling if required by TEP. 2. Show a surge-protective device (SPD) as an integral part of or placed immediately adjacent to the service equipment, E3606.5. 3. Clarify the island design (one or two worksurface levels) for evaluating the receptacle locations. Remove receptacles from the exterior face of island the and cabinets where below the countertop. Either provide a vertical assembly listed for countertop (work surface) mounting, or a raceway terminated within the cabinet for future assembly installation, E3901.4. 4. 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 5. Provide GFCI protection for receptacle outlets and HVAC equipment after September 1, 2026. E3902.14. If you have any questions, please contact: Kenneth.VanKarsen@tucsonaz.gov City of Tucson Residential Building Safety |
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| 04/17/2026 | Residential Zoning | REQUIRES RESUBMIT | PDSD TRANSMITTAL FROM: Roxanne Johnston Planner PROJECT: TC-RES-0426-01639 1524 E Hampton St., Tucson, AZ 85719 ADU (1st Review) TRANSMITTAL DATE: 04/17/2026 This site is located within the NR-1 Zone (UDC 4.7.9). A single-family residence is a permitted use in this zone (Table 4.8-2) subject to Use Specific Standards 4.9.7.B.5 - .9. RESUBMITTAL OF THE FOLLOWING IS REQUIRED: Correct plans, as noted in the comments below, along with a response letter indicating how all Site Zoning comments were addressed. 1. This project lies within the Jefferson Park Historic District and requires a Neighborhood Preservation Zone Design Review. Approval must be obtained for this prior to Zoning approval. The link to the Neighborhood Preservation materials is here: www.tucsonaz.gov/files/sharedassets/public/v/3/pdsd/documents/planning-amp-zoning/npz-application-and-review-process-1.pdf . Once the NPZ Design Review has been completed and approved, please submit a copy with your revised plans. 2. Submit a landscape plan on the revised site plan. City of Tucson Ordinance No. 12219 was effective as of January 1, 2026. This ordinance is an amendment to the Unified Development Code. UDC Article 7, Section 7.6.10 and requires landscaping for all new single family residential, middle housing development, and accessory dwellings. It is not necessary to hire a landscape architect. The landscape plan is to be applied directly onto the site plan. Here is the link to the ordinance: https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/middle-housing/middle-housing-ordinance-clean.pdf Here, too, is a link that breaks down the landscape requirements and provides additional clarification: https://middle-housing-cotgis.hub.arcgis.com/pages/Residential-Landscaping-Code 3. The site legend on Sheet C1.0. shows the zoning as SR instead of NR-1 4. Additional comments may be forthcoming depending on responses to zoning review comments and plans submitted for the next review. The City of Tucson Unified Development Code may be accessed at this site: https://codelibrary.amlegal.com/codes/tucson/latest/tucson_az_udc/0-0-0-1 Recent amendments to the UDC may be found here: https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/middle-housing/middle-housing-ordinance-clean.pdf If you have any questions about this transmittal, please contact Roxanne Johnston at roxanne.johnston@tucsonaz.gov . |
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| 04/08/2026 | PDSD Application Completeness Express | REVIEW COMPLETED |