Historic preservation · Planning application

Replacement of three glass block windows on historic home approved with conditions

The city approved swapping three non-original glass block windows on a side wall for working windows. Conditions bar vinyl and slider styles and require windows recessed at least 2 inches. The front of the house is unchanged.

ApprovedDRH26-00150Filed May 6, 2026North End · 1212 N 21st St+1 related filing

Site plan for Replacement of three glass block windows on historic home approved with conditions — 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 owner of a historic home at 1212 N 21st St in Boise's historic district wants to replace three non-original glass block windows with working windows. The windows are on a side (secondary) wall of the house, and the front of the house is not changed. The city planning department approved the work.
Project name on file: 1212 N 21ST ST

Timeline

May 30, 2026
Appeal Period: Completed
May 19, 2026
Review Complete: Completed
May 19, 2026
DR: Complete
May 12, 2026
DR: In Review
May 12, 2026
Assign Reviewers: Completed
May 12, 2026
Fee Payment: Payment Received
May 11, 2026
Prescreen Review: Passed
May 8, 2026
Prescreen Review: In Progress
May 8, 2026
Prescreen Review: Corrections Required
May 6, 2026
Prescreen Review: In Progress
May 6, 2026
Application Submittal: ePlanReview
May 6, 2026
Application filed

Documents

Plans

Manufacturer quote and line-item specs for casement windows (Lifestyle series, black exterior, primed interior), including glass, hardware and performance ratings.
May 13, 2026 · 2 pages · 411 KB · PDS-Other Small Docs
Download Pella window specification sheet

Project narrative

Describes replacing glass block windows with aluminum-clad wood, dual-pane windows to keep the historic character of the home while improving energy efficiency.
May 13, 2026 · 1 page · 286 KB · PDS-Letter of Intent
Download Letter of intent for window replacement

Decisions

Planning Director approval of a Minor Certificate of Appropriateness to replace three non-original windows on a secondary elevation of a contributing historic structure, subject to conditions.
May 19, 2026 · 13 pages · 338 KB · PDS-Action Letter
Download Certificate of Appropriateness approval letter

Notices

City of Boise notice that staff approved a certificate of appropriateness to replace three non-original windows on a historic-overlay residential structure; appeal deadline is May 29, 2026.
May 15, 2026 · 2 pages · 739 KB · PDS-Legal Notice
Download Notice of approval for certificate of appropriateness

Application

Applicant Gravitas, Inc. seeks a minor Certificate of Appropriateness for replacement windows at a contributing historic property, with exterior trim retained.
May 6, 2026 · 4 pages · 174 KB · PDS-Application
Download Certificate of Appropriateness application form

Photos

May 13, 2026 · 3 pages · 4.5 MB · PDS-Photos
Download Site photos

Replacement of three glass block windows on historic home approved with conditions

From the filing

Timeline