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Foothills/hillside · Planning application

Single-family home approved for hillside lot with 45-foot height limit

The city approved a hillside permit for a 2,461-square-foot home on a sloping lot, with retaining walls and grading limited to set heights. Before occupancy, the developer must provide a professional assessment of the stormwater system, which has documented failures.

ApprovedCFH25-00077Filed Sept. 25, 2025Barber Valley · 3501 E Eternal Ln+1 related filing
Site plan for Single-family home approved for hillside lot with 45-foot height limit
Site plan from the application documents.
Pin at the reported location; the shaded outline is the primary parcel (Ada County).

From the filing

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

The city approved a hillside development permit for a new single-family home at 3501 E Eternal Ln in the Barber Hills Vistas Subdivision. The lot slopes down from the road to the north toward the road to the south, so the approval covers retaining walls and grading. The approval limits the home's height to 45 feet.

Single-family dwelling in the hillside overlay.

Project name on file: 3501 E ETERNAL LN

Timeline

  1. Jan. 27, 2026

    Appeal Period: Completed

  2. Jan. 16, 2026

    Review Complete: Completed

  3. Jan. 16, 2026

    Current Planning: Complete

  4. Dec. 24, 2025

    Current Planning: In Review

  5. Dec. 24, 2025

    Assign Reviewers: Completed

  6. Dec. 23, 2025

    Review Complete: Corrections Required

  7. Dec. 23, 2025

    Current Planning: Corrections Required

  8. Dec. 5, 2025

    Current Planning: In Review

  9. Dec. 5, 2025

    Assign Reviewers: Completed

  10. Nov. 18, 2025

    Review Complete: Corrections Required

  11. Nov. 12, 2025

    Current Planning: Corrections Required

  12. Oct. 28, 2025

    Current Planning: In Review

  13. Oct. 28, 2025

    Assign Reviewers: Completed

  14. Oct. 22, 2025

    Fee Payment: Payment Received

  15. Oct. 22, 2025

    Prescreen Review: Passed

  16. Oct. 21, 2025

    Prescreen Review: In Progress

  17. Sept. 29, 2025

    Prescreen Review: Corrections Required

  18. Sept. 25, 2025

    Prescreen Review: In Progress

  19. Sept. 25, 2025

    Application Submittal: ePlanReview

  20. Sept. 25, 2025

    Application filed

Documents

Site plans

  • Site plan for a new residence showing setbacks, a 30-foot defensible space perimeter, and wildland-urban interface construction notes such as roof, eaves, and vent requirements.

    Dec. 5, 2025 · 1 page · 238 KB · PDS-Maps and Drawings

    Download Site plan with wildland-urban interface fire notes

Plans

  • Building elevation drawings with roof and soffit vent notes, wildland-urban interface fire-resistance requirements, and floor area totals of 2,443 square feet.

    Dec. 5, 2025 · 1 page · 272 KB · PDS-Maps and Drawings

    Download Elevation plan, front, left, right and rear views
  • Single-sheet grading and drainage plan with grading notes and a legend, prepared by an engineering firm for the lot in this application.

    Dec. 5, 2025 · 1 page · 3.8 MB · PDS-Maps and Drawings

    Download Grading and drainage plan, sheet 1 of 2
  • Product spec sheet for PVC Spee-D Channel drainage parts (4 ft. and 10 ft. lengths, gray), listing fit for 2-inch Sch. 40 pipe and 3- and 4-inch sewer and drain pipe.

    Dec. 5, 2025 · 1 page · 601 KB · PDS-Maps and Drawings

    Download Technical specifications for Spee-D Channel

Project narrative

  • Letter describing a new 2,461 sq ft single-family home with a lower-level walk-out and attached garage, stating it meets Hillside requirements and includes a defensible space perimeter.

    Dec. 5, 2025 · 1 page · 180 KB · PDS-Letter of Intent

    Download Letter of intent for new single-family home

Decisions

  • Approves a Category II Hillside and Foothills Development Permit for retaining walls and grading, conditioned on structural calculations and a stormwater system assessment before occupancy.

    Jan. 21, 2026 · 6 pages · 198 KB · PDS-Action Letter

    Download Administrative approval letter for hillside development permit

Notices

  • Planning staff approved a hillside permit for a new single-family residence, with appeals due by January 26, 2026.

    Jan. 14, 2026 · 2 pages · 712 KB · PDS-Legal Notice

    Download Notice of administrative approval

Application

  • Completed questionnaire marking a new dwelling, new access driveway and retaining walls as involved, with no new parcels, additions or deep grading indicated.

    Dec. 5, 2025 · 1 page · 690 KB · PDS-Other Small Docs

    Download Public Works hillside project questionnaire
  • Category II application for a single-family dwelling on a single lot in the hillside overlay, with fire flow and wildland urban interface details.

    Sept. 25, 2025 · 2 pages · 197 KB · PDS-Application

    Download Hillside and foothills development application

Studies and reports

  • SITE Consulting letter finding the proposed drainage plan by RiveRidge Engineering complies with its prior geotechnical report and recommending approval, with inspection requirements noted as critical.

    Dec. 5, 2025 · 2 pages · 430 KB · PDS-Maps and Drawings

    Download Geotechnical suitability letter on drainage plan
  • SITE Consulting's geotechnical investigation of three hillside lots, concluding they are acceptable for single-family homes with recommended foundation bearing and settlement limits.

    Dec. 5, 2025 · 20 pages · 22.4 MB · PDS-Other Small Docs

    Download Geotechnical recommendation report, lots 38-40

Photos

  • Six photos dated 10/22/2025 submitted with the application; the extracted text shows only the date and case stamp, so the photos' subjects cannot be confirmed.

    Dec. 5, 2025 · 6 pages · 340 KB · PDS-Photos

    Download Site photos

Correspondence

  • Fire department review approving the single-family home in the wildland-urban interface, subject to defensible space, setback, open-flame and access conditions.

    Jan. 21, 2026 · 2 pages · 226 KB · PDS-Agency Comments

    Download Boise Fire Department comments, Dec. 15 2025
  • Boise Parks and Recreation, with Community Forestry, reviewed the application and has no comments or recommendations.

    Jan. 21, 2026 · 1 page · 57 KB · PDS-Agency Comments

    Download Boise Parks and Recreation comments
  • Public Works staff find the proposed single-family dwelling compliant with hillside criteria, citing the grading plan and geotechnical reports, with runoff to stay onsite.

    Jan. 21, 2026 · 3 pages · 131 KB · PDS-Agency Comments

    Download Public Works drainage and hillside comments
  • Public Works requires connection to central sanitary sewer, notes possible sewer capacity fees at building permit, and conditions final sewer plan approval.

    Jan. 21, 2026 · 1 page · 53 KB · PDS-Agency Comments

    Download Public Works sewer comments
  • Veolia Water Idaho reports water pressure of 75 PSI and 1500 GPM flow at 20 PSI residual for fire sprinkler design, under maximum-day conditions.

    Dec. 5, 2025 · 1 page · 130 KB · PDS-Other Small Docs

    Download Veolia water pressure and flow letter for fire flow review

Other documents

  • Noticing radius map

    Map showing the area within the notice radius for neighboring property owners who were sent notice of the application.

    Jan. 14, 2026 · 565 KB · PDS-Maps and Drawings

  • Transmittal to review agencies

    Dec. 10, 2025 · 99 KB · PDS-Transmittal Agencies

  • Statement of legal interest

    Dec. 5, 2025 · 64 KB · PDS-Statement of Legal Interest

  • Submittal checklist

    Dec. 5, 2025 · 257 KB · PDS-Submittal Checklist

  • Fee receipt

    Oct. 22, 2025 · 134 KB · PDS-Receipts

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