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Permit Number: TC-RES-0226-00736
Parcel: 126210860

Review Status: Requires Resubmit

Review Details: RESIDENTIAL ADU v.1

Permit Number - TC-RES-0226-00736
Review Name: RESIDENTIAL ADU v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
03/03/2026 Bldg Permits - Post Review Express PENDING ASSIGNMENT
02/18/2026 Addressing Validation REQUIRES RESUBMIT For questions: PDSD-Residential@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
03/03/2026 Residential Building REQUIRES RESUBMIT Should you have any questions about these comments, I can be reached at ian.gillaspie@tucsonaz.gov.
City of Tucson is currently utilizing the 2024 IRC. Please update all code references to the current adopted code.
R506.3.3 Vapor retarder: a minimum 6 mil polyethylene vapor retarder with joints lapped not less than 6 inches is required between the concrete floor slab and the base course or the prepared subgrade where a base course does not exist.
Exception: The vapor retarder is not required for the following:
1. Garages, utility buildings and other unheated accessory structures.
2. For unheated storage rooms having an area of less than 70 square feet (6.5 m2) and carports.
3. Driveways, walks, patios and other flatwork not likely to be enclosed and heated at a later date.
4. Where designed by a qualifying registered design professional, based on soil conditions and floor finishing such as exposed concrete surfaces.
02/19/2026 Residential Engineering REQUIRES RESUBMIT Permit Activity Number: TC-RES-0226-00736
Project: New Casita
Location: 3440 E VIA GUADALUPE
Review Date: 2/19/2026
Reviewer: Marco Contreras – Engineering Associate - Site Engineering

Site Engineering Comments:
1. As the proposed development is a new dwelling (ADU, SFR, Duplex, Etc), Per the City of Tucson Inclusive Home Design Ordinance: https://www.tucsonaz.gov/files/sharedassets/public/v/1/city-services/planning-development-services/documents/inclusivehomedesignordinance.pdf, all new dwellings and units have a requirement to provide an “accessible route from public and common areas, including, but not limited to, a driveway or public street or sidewalk”. Draw, dimension, and label an accessible route from the driveway, sidewalk, or street to an accessible entrance.
a. Refer to Technical Standards Manual Section 7-01.4.3 for sidewalk/pathway specifications including the minimum 4ft-width and composition minimums.
b. Action Items: Provide a width call-out, proposed slope, and label the walkway as the “Accessible Route” leading to the new ADU entrance.
2. Revise the inclusive home design notes to line up with the City of Tucson and not Pima County.

FOR PERMIT RESUBMISSION, IT IS REQUIRED THAT: Corrected/Revised Plan set and a detailed response letter document that clearly shows how you addressed all of Site Engineering’s and other reviewers’ comments for the completed review cycle.


If you have any questions or concerns, please contact Marco Contreras at Marco.contreras@tucsonaz.gov
03/03/2026 Residential Zoning REQUIRES RESUBMIT PDSD TRANSMITTAL

FROM: Roxanne Johnston
Planner

PROJECT: TC-RES-0226-00736
3440 E Via Guadalupe, Tucson, AZ 85716
ADU (1st Review)

TRANSMITTAL DATE: 03/03/2026

This site is located in the RX-1 zone (UDC 4.7.6). A single-family residence is a permitted use in this zone (Table 4.8-1) subject to Use Specific Standards 4.9.7.B.6, .8, & .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. Submit a landscape plan. This need not be a separate plan and can be demonstrated on the site plan. Ordinance No. 12219 went into effect January 1, 2026. This ordinance addresses an amendment to the UDC. Per UDC 7.6.10., landscaping is required for all new single family residential, middle housing development, and accessory dwelling units. Please refer to the following link (Ord. No. 12219) for landscape requirements: https://tucsonaz.hylandcloud.com/221agendaonline/Documents/ViewDocument/ORDINANCE%2012219.pdf?meetingId=1890&documentType=Agenda&itemId=77068&publishId=189435&isSection=false

2. Add the dimensions of the north and south lot lines. The link to the Colonia Solana subdivision plat may be accessed here: https://onbase.pima.gov/publicaccess/DS_NextGen_Single/etc/cq/results.html?cqid=240&OBKey__552_1=05032

Additional comments may be forthcoming depending on responses to zoning review comments and plans submitted for the next review.

If you have any questions about this transmittal, please contact Roxanne Johnston at roxanne.johnston@tucsonaz.gov .
02/18/2026 PDSD Application Completeness Express REVIEW COMPLETED