Legal non-conforming use/site rights · Planning application
Nampa certifies existing 1924 duplex as a legal non-conforming use
The city approved the request on Aug. 10, recognizing the two-unit rental building as grandfathered. No new construction is proposed. If it is destroyed, it can be rebuilt to its original size under current building codes.
From the filing
The application's description as it appears in City of Nampa's record. See the official record
The document is the city's nonconforming use ordinance text attached to a request to recognize 320 5th Ave S in Nampa as a legal non-conforming duplex. It does not state the city's decision on that request or give any details about the property.
318 & 320 5th Ave S - Legal Non-conforming use as a duplex
Project name on file: 320 (with second historical address of 318) 5th Ave S - Legal Non-Conforming use as a duplex
Timeline
Aug. 14, 2026
31 documents added
Aug. 10, 2026
Decision/Action Letter
Aug. 10, 2026
Assess Fees (Legal Non-Conforming)
Aug. 10, 2026
Completeness Check
Aug. 10, 2026
Decision: Approved
Aug. 7, 2026
Application filed
Documents
Decisions
- Download Legally non-conforming use certification (duplex)
City of Nampa certifies that the two-unit duplex on the property in a GB1 zone is recognized as a legally non-conforming use, recorded Aug. 14, 2026.
Aug. 14, 2026 · 6 pages · 1.2 MB · Recorded LNU Certification
- Download Approval letter for legal non-conforming use
Staff approval letter applying the city's non-conforming use code (10-3-9), covering continued use and rebuilding of a grandfathered site situation.
Aug. 10, 2026 · 6 pages · 751 KB · Available Online
Application
- Download Legal non-conforming use checklist and application requirements
Nampa Planning and Zoning checklist listing required documents for a legal non-conforming use or site rights request, including the notarized letter, evidence of continuous use, and fee.
Aug. 10, 2026 · 3 pages · 281 KB · Available Online
Photos
- Download Handwritten notes and photo captions
Handwritten notes, apparently captions for photographs, with dates from the 1960s; the handwriting is largely illegible in the extracted text.
Aug. 10, 2026 · 1 page · 60 KB · Available Online
- Download Photo of document, mostly illegible
Aug. 10, 2026 · 1 page · 3.2 MB · Available Online
- Download Scanned city directory page, S surnames
OCR text from a scanned page of an old city directory listing residents alphabetically from Sorensen through Sowl, with occupations and addresses; mostly unreadable.
Aug. 10, 2026 · 1 page · 1.3 MB · Available Online
- Download Scanned city directory page, S-surnames
A photographed page from an old Nampa city directory listing residents, occupations and addresses; it has no bearing on the planning application's content.
Aug. 10, 2026 · 1 page · 1.3 MB · Available Online
- Download Historic Sanborn-style fire insurance map sheet (OCR text)
Scanned page, likely an old fire insurance or street directory map sheet with parcel and owner listings; text is mostly garbled OCR with no clear purpose stated.
Aug. 10, 2026 · 1 page · 1.2 MB · Available Online
- Download Scanned city directory page, S surnames
Photo of a mid-century city directory listing residents and businesses under surnames Showalter through Siler, with employers and addresses.
Aug. 10, 2026 · 1 page · 1.3 MB · Available Online
- Download Scanned city directory page, surnames Potter to Prater
Aug. 10, 2026 · 1 page · 1.3 MB · Available Online
- Download Historical street directory map photo
Photographed page of an old street directory listing residents, occupants and phone numbers along downtown-area blocks, apparently submitted as historical evidence for a non-conforming use claim.
Aug. 10, 2026 · 1 page · 1.8 MB · Available Online
- Download Photo of a city directory page listing residents
Aug. 10, 2026 · 1 page · 2.1 MB · Available Online
- Download Handwritten resident list with addresses and phone numbers
Aug. 10, 2026 · 1 page · 1.6 MB · Available Online
- Download Historical street directory page, Nampa blocks
A scanned page from an old resident and real estate listing directory showing occupants and phone numbers along several streets; text is faded and partly illegible.
Aug. 10, 2026 · 1 page · 1.2 MB · Available Online
- Download Scanned page of garbled text, possibly a rotated or mirrored photo
Aug. 10, 2026 · 1 page · 1.9 MB · Available Online
- Download Old city directory page, Larson to Lawrence entries
A scanned, rotated photo of a printed directory page listing residents' names, occupations and employers, with an ambulance service ad at the top; it has no clear bearing on the site-rights application.
Aug. 10, 2026 · 1 page · 845 KB · Available Online
- Download Photo of posted sign or document, partly legible
Aug. 10, 2026 · 1 page · 4.6 MB · Available Online
- Download Site photo
Aug. 10, 2026 · 1 page · 1.2 MB · Available Online
Correspondence
- Download Email with appraisal record for legal non-conforming use request
Staci Kidder forwards a 1981-1984 residential appraisal record from the county assessor as evidence the building has long operated as a duplex, and planner Teri Friend responds it looks like good evidence.
Aug. 10, 2026 · 2 pages · 1.1 MB · Available Online
Other documents
- Invoice
Aug. 10, 2026 · Available Online
- Download Legal nonconforming use and site rights certification
Excerpt of the city code section 10-3-9 on nonconforming uses, covering maintenance, expansion, and repair or replacement of grandfathered structures.
Aug. 10, 2026 · 6 pages · 783 KB · Available Online
- Download Newspaper advertisement
Aug. 10, 2026 · 1 page · 31 KB · Available Online
- Download Idaho Power electric bills for both units
Two Idaho Power residential electric bills from October and November 2010, showing monthly usage and charges for the property's service location.
Aug. 10, 2026 · 8 pages · 478 KB · Available Online
- Download Standard Idaho apartment rental agreement
Scanned 1960s-era month-to-month apartment rental agreement with rent, deposit, utilities and occupancy terms; handwritten entries are largely illegible in the text.
Aug. 10, 2026 · 2 pages · 198 KB · Available Online
- Download Utility bill for a property in the application
Water, sewer, trash and stormwater billing statement from the City of Nampa for a service address tied to the application, showing an amount due.
Aug. 10, 2026 · 2 pages · 105 KB · Available Online
- Download Standard Idaho apartment rental agreement (1980)
Handwritten, partly illegible month-to-month apartment lease with rent, deposit, utilities and occupancy terms, filed under a legal non-conforming use application.
Aug. 10, 2026 · 2 pages · 193 KB · Available Online
- Download Legal non-conforming use and site rights document, 1985 lease
Aug. 10, 2026 · 1 page · 155 KB · Available Online
- Deed
Aug. 10, 2026 · Available Online
- Affidavit
Aug. 10, 2026 · Available Online
- Download Assessor records, all (Aug. 10, 2026 upload)
Aug. 10, 2026 · 10 pages · 1.6 MB · Available Online
- Download Legal non-conforming use checklist and notice to applicant
Blank Nampa checklist for legal non-conforming use or site rights, listing required documents and explaining the grandfathering standard under city code.
Aug. 7, 2026 · 39 pages · 20.7 MB · All documents submitted



