Zoning certificate · Planning application
377-square-foot accessory dwelling unit approved with conditions
The city approved converting the rear of an existing single-family home into an attached one-story unit with two bedrooms and two bathrooms. Conditions include a paved entry path, on-site drainage and limits on construction hours.

From the filing
The application's description as it appears in City of Boise's record. See the official record
The applicant wants to convert the rear portion of an existing single-family home at 225 E Melrose Street in Boise into an attached accessory dwelling unit. The new unit would be 377 square feet, one story, with two bedrooms and two bathrooms.
Proposed attached ADU to SFD
Project name on file: 225 E MELROSE ST - CZC (ADU)
Timeline
Sept. 15, 2026
Appeal Period: Completed
Sept. 4, 2026
Review Complete: Completed
Sept. 4, 2026
Planning and Zoning: Complete
Aug. 18, 2026
Planning and Zoning: In Review
Aug. 18, 2026
Assign Reviewers: Completed
Aug. 10, 2026
Fee Payment: Payment Received
Aug. 6, 2026
Prescreen Review: Passed
Aug. 1, 2026
Prescreen Review: In Progress
July 28, 2026
Prescreen Review: Corrections Required
July 28, 2026
Prescreen Review: In Progress
July 26, 2026
Application Submittal: ePlanReview
July 26, 2026
Application filed
Documents
Site plans
- Download Site plan, sheet 7 of 10
Site plan showing existing walkway, driveway, garage, main unit and a proposed ADU with dimensions and a walkway to be added.
Aug. 19, 2026 · 1 page · 15 KB · PDS-Maps and Drawings
- Download Site plan (revision dated 7/26)
Site plan drawn at 1:150 scale showing an accessory dwelling unit and an existing garage, with a total lot area of 0.200 acres.
Aug. 19, 2026 · 1 page · 12 KB · PDS-Maps and Drawings
Plans
- Download Floor plan with unit square footage
Floor plan for an accessory dwelling unit, showing the main unit, the back unit and the front unit, with square footage listed for each and the entire house.
Aug. 19, 2026 · 1 page · 14 KB · PDS-Maps and Drawings
Project narrative
- Download Letter of intent for ADU project
Project description stating the applicant proposes creating an accessory dwelling unit within the footprint of an existing single-family home.
Aug. 19, 2026 · 1 page · 12 KB · PDS-Letter of Intent
Decisions
- Download Administrative approval of accessory dwelling unit
Action letter approving an attached accessory dwelling unit under zoning certificate CZC, with findings on size, bedrooms, height and accessory use in the R-1C zone.
Sept. 4, 2026 · 7 pages · 191 KB · PDS-Action Letter
Notices
- Download Notice of administrative approval
Notice that an administrative approval was granted to construct a two-story detached accessory dwelling unit in an R-2 compact residential zone; appeals are due by September 14, 2026.
Sept. 2, 2026 · 2 pages · 698 KB · PDS-Legal Notice
Application
- Download Zoning certificate application for an accessory dwelling unit
Application for a zoning certificate to add an attached accessory dwelling unit of 377 sq ft with two bedrooms to an existing single-family home in an R-1C zone.
July 26, 2026 · 3 pages · 201 KB · PDS-Application
Photos
- Download Site photos
Four photos of the site, dated Aug. 10, 2026, filed with the zoning certificate application.
Aug. 19, 2026 · 4 pages · 5.9 MB · PDS-Photos
Correspondence
- Download Fire Department agency comments
The Boise Fire Department has no comments on the zoning certificate application, noting building code requirements to be addressed at the building permit stage.
Sept. 4, 2026 · 1 page · 151 KB · PDS-Agency Comments
- Download Parks and Recreation agency comments
Boise Parks and Recreation, reviewed with Community Forestry, states it has no comments or recommendations on the proposal.
Sept. 4, 2026 · 1 page · 57 KB · PDS-Agency Comments
- Download Sewer agency comments
Public Works states the property must connect to central sanitary sewer, which is available, and notes sewer capacity fees may apply at building permit issuance.
Sept. 4, 2026 · 1 page · 65 KB · PDS-Agency Comments
- Download Street light agency comments
Public Works street light trades supervisor reports no comments on the zoning certificate application.
Sept. 4, 2026 · 1 page · 125 KB · PDS-Agency Comments
- Download Ada County Highway District comments
ACHD reports no required street improvements and lists traffic impact fee, driveway approach permit, and right-of-way permit requirements, plus standard conditions of approval.
Aug. 25, 2026 · 3 pages · 166 KB · PDS-Agency Comments
- Download Veolia fire flow information
Veolia correspondence on fire flow information for the application, with the text largely garbled in extraction.
Aug. 19, 2026 · 1 page · 87 KB · PDS-Other Small Docs
- Download Veolia Water fire flow information
Veolia Water Idaho provides available water pressure and flow at a nearby hydrant for fire sprinkler design, to be attached to approved plan sets.
Aug. 19, 2026 · 1 page · 112 KB · PDS-Other Small Docs
Other documents
- Noticing radius map
Sept. 2, 2026 · 511 KB · PDS-Maps and Drawings
- Transmittal to agencies
Aug. 21, 2026 · 133 KB · PDS-Transmittal Agencies
- Statement of legal interest
Aug. 19, 2026 · 118 KB · PDS-Statement of Legal Interest
- Receipt
Aug. 10, 2026 · 131 KB · PDS-Receipts



