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Permit Number: TC-RES-0823-07274
Parcel: 127131060

Review Status: Requires Resubmit

Review Details: RESIDENTIAL NEW DWELLING v.1

Permit Number - TC-RES-0823-07274
Review Name: RESIDENTIAL NEW DWELLING v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
08/28/2023 Residential Building APPROVED
08/21/2023 Site Engineering NOT REQUIRED
08/28/2023 Bldg Permits - Post Review PENDING ASSIGNMENT
08/23/2023 Site Zoning REQUIRES RESUBMIT ZONING REVIEW TRANSMITTAL

FROM: Wyatt Berger
Lead Planner

PROJECT: TC-RES-0823-07274
452 North Sahuara Avenue – R-1
ADU (1st Review)

TRANSMITTAL DATE: August 23, 2023

Please resubmit revised drawings with a detailed response letter stating how all Zoning Review Section comments were addressed.

The site is in the R-1 zone (UDC 4.7.8). An accessory dwelling unit (ADU) is a permitted use in the R-1 zone, subject to use-specific standards 4.9.7.B.6, .8, and .9, and 6.6.3.

1. General note 10 on final plat S04-008 states “CC&R’S WILL RESTRICT ONE DWELLING ALLOWED ON LOTS 2 & 4” (https://maps-and-records.tucsonaz.gov/subdivisions/details/MP-59094&20051270367). An ADU is considered a Family Dwelling per Tucson Unified Development Code (UDC) Section 11.3.7.A.

Provide clarification from the Pima County Recorder’s Office to determine whether the CC&Rs are still active. If the CC&Rs mentioned on the subdivision plat are still active, an ADU cannot be constructed on this specific property.

If the CC&Rs have been dissolved, the following comments will apply to the proposed construction.


2. Show all easements depicted within final plat S04-008 on the site plan to assure there are no conflicts with the proposed ADU location. The proposed stucco wall appears to conflict with the location of the ten-foot-wide utility easement.

3. Remove the proposed porches from the lot coverage calculation as roofed areas, open on at least one side, provided they are not used for utilities, maintenance, laundry, storage, or motor vehicle parking, are exempt from the lot coverage calculation (UDC 6.4.3.C.1.a).

4. Provide a general note stating that the proposed ADU will be developed with a high albedo level (>60 SRI) or other cool roof technology per the ICC Green Construction Code (UDC 6.6.3.B.3).

5. Per UDC 6.6.3.B.4, on sites where the principal structure is one story, accessory dwelling units shall not exceed 12 feet in height. Building height is the vertical distance measured from the design grade elevation to the highest point of a flat roof; to the deck line of a mansard roof; or to the middle (between the eave and ridge) of the highest gable of a pitched or hipped roof (UDC 6.4.4.A).

Provide a dimension from the design grade elevation to the highest point of the flat roof to ensure building height does not exceed 12 feet.

6. Perimeter yard setbacks are based on a measurement from the design grade elevation to the highest point of a building wall (UDC 6.4.5.B and Figure 6.4.5-A). Per UDC Table 6.3-2.A, when a residential use is adjacent to a residential zone, the required side and rear perimeter yard setbacks are six feet or 2/3 the height of the exterior building wall, whichever is greater.

Based on a wall height of 13’-6,” the required side and rear perimeter yard setbacks are 9’-0”; proposed setback from the north lot line is 8’-11.” A Design Development Option (DDO) is required to reduce this specific setback. Contact Georgia.Pennington@tucsonaz.gov should you have questions about the DDO process.

If you have any questions about this transmittal, contact me at Wyatt.Berger@tucsonaz.gov or at 520-837-4951.
08/21/2023 PDSD Application Completeness REVIEW COMPLETED