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Legal non-conforming use/site rights · Planning application

Three existing homes on one lot recognized as grandfathered use

The city confirmed a main house with two units and a separate accessory home as a legal non-conforming use, based on records showing three units before 1989. No new construction is proposed. Approved July 16.

ApprovedLNU-00047-2026Filed July 13, 2026West Nampa · 316 S Olive St
Pin at the reported location; the shaded outline is the primary parcel (Canyon County).

From the filing

The application's description as it appears in City of Nampa's record. See the official record

The City of Nampa recognized three separate homes at 316 S Olive St as a legally non-conforming (grandfathered) use. The property has a main house with two roughly 786 sq ft residences (upper floor and basement) plus a roughly 480 sq ft accessory dwelling, all built before 1989. No new construction is proposed.

Confirming long term establishment of residences and legal non-compliance of parcel use. 316 S. Olive St - three residential units (Olive Street was formally named 11th Ave South Extension until 2003). Main house is 1st Floor/Basement duplex style separate residences, historically identified as 316 and 316B or 316 Basement. Accessory Dwelling Unit is separate residences, historically identified as 316 1/2. 3-residential unit condition has been documented as existing prior to 4/17/1989 through the following historical records/documents: - 1967/68 Polk Directory - 1974 Polk Directory - 1976 Polk Directory - 2000 Polk Directory - Canyon County Assessor appraisal inspection reports dated 9/22/1981, 10/24/1996, 7/31/2006, and 8/1/2012. City of Nampa Engineering memo dated 9/10/2003 confirms street name change from 11th Ave South Extension to S. Olive St. Also provided to document continued use over time as 3 residential units: - Lease Agreements for each unit dated 2015, 2017, 2018 - MLS listing 08/05/2002 - MLS listing 10/4/2018 - Real Estate Appraisal dated 10/22/2018

Timeline

  1. July 31, 2026

    14 documents added

  2. July 16, 2026

    Assess Fees (Legal Non-Conforming)

  3. July 16, 2026

    Decision/Action Letter

  4. July 16, 2026

    Completeness Check

  5. July 16, 2026

    Decision: Approved

  6. July 13, 2026

    Application filed

Documents

Project narrative

  • Owner's notarized letter requesting recognition of long-standing triplex use, citing appraisal records (1981-2012), Polk directory listings, and a 2003 street renaming memo.

    July 16, 2026 · 3 pages · 485 KB · Notarized narrative/request letter

    Download Notarized request letter for legal non-conforming use determination
  • Owner's notarized letter requesting legal non-conforming triplex use recognition, citing 1948 construction, 2003 street renaming, and historical appraisal and directory records.

    July 13, 2026 · 3 pages · 418 KB · Notarized Narrative

    Download Legal non-conforming use request letter

Decisions

Application

  • Checklist and master application for a legal non-conforming use or site rights request in Nampa, listing required deed, letter, evidence and fee items.

    July 13, 2026 · 3 pages · 747 KB · Master Application

    Download Legal non-conforming use checklist and master application

Photos

  • A 2018 MLS listing for a three-unit residential property, with asking price, unit rents, income and expense figures, and features, submitted as supporting material.

    July 13, 2026 · 2 pages · 580 KB · Other

    Download Realtor listing sheet for a triplex, dated 2018

Correspondence

Other documents

  • Scanned assessor records from 1981 to 1985 for the parcels involved, likely used as historical evidence of the property's use; text is mostly illegible OCR noise.

    July 13, 2026 · 6 pages · 5.5 MB · Item of Evidence #1

    Download Canyon County assessor property records, 1981-85
  • July 13, 2026 · 4 pages · 1.4 MB · Item of Evidence #1

    Download Canyon County Assessor data, 1996-2002
  • Assessor's residential appraisal form with inspection records, improvement details, and land detail for the property, filed as evidence for the legal non-conforming use request.

    July 13, 2026 · 4 pages · 1.5 MB · Item of Evidence #1

    Download Canyon County Assessor residential appraisal data collection form
  • Summary appraisal report giving a market value opinion for a small residential income property, prepared for a mortgage lender as of October 2018.

    July 13, 2026 · 34 pages · 9.6 MB · Other

    Download Residential income property appraisal report
  • A scanned basic rental agreement or residential lease covering rent terms, payments, and security deposits; the text is garbled and the property details are largely unreadable.

    July 13, 2026 · 12 pages · 6.2 MB · Other

    Download Residential lease agreement (partially legible scan)
  • Scanned Polk city directory volumes for Nampa and Canyon County spanning 1967 to 2000, with business and residential listings; the OCR text is largely garbled.

    July 13, 2026 · 14 pages · 3.4 MB · Item of Evidence #2

    Download Nampa Polk city directory, 1967-2000
  • Warranty deed

    Warranty deed submitted as proof of proprietary interest in the property for this legal non-conforming use application.

    July 13, 2026 · Proof of Proprietary Interest

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