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Historic preservation · Planning application

Landscape overhaul with sunken patio and two shade structures approved at historic home

The plan removes 16 trees and plants 23 new ones, and adds a fence, pathways and a water feature. Approval comes with conditions: no synthetic grass, and the owner must make up for 38 inches of lost tree canopy by planting trees or paying $400 per inch.

ApprovedDRH26-00175Filed June 22, 2026North End · 801 N 20th St+1 related filing
Site plan for Landscape overhaul with sunken patio and two shade structures approved at historic home
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 applicant plans landscaping changes at a home at 801 N 20th Street in Boise's North End historic district. The work includes a sunken patio, pathways, two shade structures, a fence and planted areas in the side yard, and the removal of 16 trees with 23 new trees planted. The city approved the project, and the applicant must make up for the lost tree canopy.

Landscape in Historic

Project name on file: 801 N 20TH ST

Timeline

  1. Sept. 5, 2026

    Appeal Period: Completed

  2. Aug. 25, 2026

    Review Complete: Completed

  3. Aug. 25, 2026

    DR: Complete

  4. July 22, 2026

    DR: In Review

  5. July 22, 2026

    Assign Reviewers: Completed

  6. June 30, 2026

    Review Complete: Corrections Required

  7. June 30, 2026

    DR: Corrections Required

  8. June 30, 2026

    DR: In Review

  9. June 30, 2026

    Assign Reviewers: Completed

  10. June 26, 2026

    Fee Payment: Payment Received

  11. June 25, 2026

    Prescreen Review: Passed

  12. June 23, 2026

    Prescreen Review: Corrections Required

  13. June 23, 2026

    Prescreen Review: In Progress

  14. June 22, 2026

    Application Submittal: ePlanReview

  15. June 22, 2026

    Application filed

Documents

Site plans

  • Single-page site plan showing demolition of existing steps, walks and patio, plant protection, paver and hardscape materials, and an outdoor kitchen layout.

    Aug. 25, 2026 · 1 page · 2.4 MB · PDS-Maps and Drawings

    Download Site plan with demolition, materials and outdoor kitchen notes
  • Site plan showing demolition of existing walks, steps and plantings, plant protection notes, and paver, patio and outdoor kitchen material options.

    June 30, 2026 · 1 page · 2.6 MB · PDS-Maps and Drawings

    Download Site plan with demolition and materials notes

Plans

  • Sheet L1.2 showing landscape lighting placements: path lights, uplights for trees and water feature, shade structure can lights, wall and step lights, and a ceiling fan.

    Aug. 25, 2026 · 1 page · 3.6 MB · PDS-Maps and Drawings

    Download Landscape lighting plan, sheet L1.2
  • Landscape planting plan sheet showing shrub and conifer planting schedules, a plant key with common and botanical names, and landscape notes for a residence.

    Aug. 25, 2026 · 1 page · 3.2 MB · PDS-Maps and Drawings

    Download Planting plan, sheet L2
  • Landscape planting plan sheet with shrub and conifer planting schedules, landscape notes, and a plant key for a residential certificate of appropriateness.

    Aug. 25, 2026 · 1 page · 3.2 MB · PDS-Maps and Drawings

    Download Planting plan, sheet L2
  • Preliminary floor plan sheet (A1.0) for 16 x 16 and 16 x 19 foot timber-truss shade structures, with a 2019 copyright notice from the drafting firm.

    June 30, 2026 · 2 pages · 254 KB · PDS-Maps and Drawings

    Download Shade structure plan, preliminary floor plan

Project narrative

  • Narrative describing proposed landscape work for a historic house, including sandstone retaining walls, two open outdoor structures, sunken patios, berms, fencing and a water feature.

    June 30, 2026 · 2 pages · 672 KB · PDS-Letter of Intent

    Download Letter of explanation for landscape project

Decisions

  • Approval letter for landscape changes and tree removals, with conditions requiring tree canopy mitigation via new plantings or a payment to the tree mitigation fund.

    Aug. 25, 2026 · 13 pages · 270 KB · PDS-Certificate of Appropriateness

    Download Certificate of Appropriateness approval letter

Notices

  • Notice of a Certificate of Appropriateness approval for landscape changes in a historic design overlay zone, with an appeal deadline of September 4, 2026.

    Aug. 21, 2026 · 2 pages · 925 KB · PDS-Legal Notice

    Download Notice of approval for landscape changes

Application

  • Historic-district application from a landscaping contractor proposing removal of trees and vegetation, with an itemized list of species and sizes, for a property on the site's parcel.

    June 22, 2026 · 5 pages · 176 KB · PDS-Other Small Docs

    Download Certificate of Appropriateness application with landscape plan

Studies and reports

  • Tree-by-tree inventory from a June 5, 2026 survey listing species, height, trunk diameter, health and removal recommendations, with a total caliper affected of 47.

    Aug. 25, 2026 · 1 page · 401 KB · PDS-Other Small Docs

    Download Tree caliper inventory, Modica Residence
  • Tree report listing species, size, health ratings and notes for trees on the site, with an August 10, 2026 update that flags structural risk in a horse chestnut (ID 5).

    Aug. 25, 2026 · 6 pages · 975 KB · PDS-Other Small Docs

    Download Tree inventory report, Modica Residence (Aug. 10 update)
  • Table listing 17 trees on the site by species, trunk diameter, health rating and mature height, with a site map legend.

    June 30, 2026 · 2 pages · 1.8 MB · PDS-Other Small Docs

    Download Arborist tree inventory with species, health and size

Photos

  • Photo sheets listing surveyed trees by species, height, diameter at breast height and health rating, dated June 5, 2026.

    Aug. 25, 2026 · 6 pages · 1.0 MB · PDS-Other Small Docs

    Download Arborist tree inventory with photos
  • Photo sheets logging tree species, height, trunk diameter and health for trees 1 through 17, recorded June 5, 2026.

    June 30, 2026 · 6 pages · 1.0 MB · PDS-Other Small Docs

    Download Arborist tree inventory notes with photos

Correspondence

  • Email chain between Parks and City Forestry staff confirming tree mitigation caliper totals, including evergreen tree counting and a 3-inch tree, for the landscape plan.

    Aug. 26, 2026 · 2 pages · 444 KB · PDS-Agency Comments

    Download Agency comments on tree mitigation caliper math
  • Public Works requires a stormwater management plan, approved before any building or grading permit is issued, per the City of Boise 2019 Stormwater Design Manual.

    Aug. 25, 2026 · 1 page · 134 KB · PDS-Agency Comments

    Download Hillside and drainage comments
  • Parks staff dispute the arborist's valuation of one 14-inch Horse Chestnut, recommend it count toward mitigation, and flag a 38-inch replacement deficit and a need for more deciduous plantings.

    Aug. 25, 2026 · 2 pages · 107 KB · PDS-Agency Comments

    Download Boise Parks and Recreation comments on tree mitigation

Other documents

  • Noticing radius map

    Aug. 21, 2026 · 634 KB · PDS-Maps and Drawings

  • Transmittal sheet

    July 24, 2026 · 137 KB · PDS-Transmittal Agencies

  • Statement of legal interest

    June 30, 2026 · 120 KB · PDS-Statement of Legal Interest

  • Receipt

    June 26, 2026 · 134 KB · PDS-Receipts

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