# Building permits at 21 Sylvan Ave, Pittsburgh, PA One permit on record here. The newest, Apr 29: Exterior alteration to include new siding. Within a quarter mile, the city has issued 9 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Apr 29, 2026 | Alteration or repair | Exterior alteration to include new siding, windows, and doors on front (north) facade. Replace front decking on 1st and 2nd floor at existing single-family dwelling | $18,000 | [BDA-2025-00775](https://nearbypermits.com/pittsburgh/permit/BDA-2025-00775/) | ## Within ¼ mi since May 1, 2026 9 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 13, 2026 | [161 Greenfield Ave](https://nearbypermits.com/pittsburgh/address/161-greenfield-ave/) | 250 ft N | Mechanical (HVAC) | Installation of heaters and exhausts for new steel frame repair garage | $5,000 | [MP-2023-21096](https://nearbypermits.com/pittsburgh/permit/MP-2023-21096/) | ### This block (250 to 1,000 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [124 Greenfield Ave](https://nearbypermits.com/pittsburgh/address/124-greenfield-ave/) | 290 ft SW | Electrical | Service reconnect at existing single-family dwelling | $500 | [EP-2026-06315](https://nearbypermits.com/pittsburgh/permit/EP-2026-06315/) | | Sep 24, 2026 | [124 Greenfield Ave](https://nearbypermits.com/pittsburgh/address/124-greenfield-ave/) | 290 ft SW | Alteration or repair | Non-structural interior alterations to include new finishes and removal of non-load bearing wall. Exterior aletrations to include new roofing at exisitng single-family dwelling | $5,000 | [BDA-2026-08295](https://nearbypermits.com/pittsburgh/permit/BDA-2026-08295/) | | Aug 26, 2026 | [209 Saline St](https://nearbypermits.com/pittsburgh/address/209-saline-st/) | 810 ft NE | Alteration or repair | | $23,564 | [BDA-2026-07792](https://nearbypermits.com/pittsburgh/permit/BDA-2026-07792/) | ### Farther (1,000 ft to ¼ mi), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 20, 2026 | [89 Bigelow St](https://nearbypermits.com/pittsburgh/address/89-bigelow-st/) | 0.22 mi SE | Alteration or repair | | $15,012 | [BDA-2026-07574](https://nearbypermits.com/pittsburgh/permit/BDA-2026-07574/) | | Aug 11, 2026 | [4111 Bigelow St](https://nearbypermits.com/pittsburgh/address/4111-bigelow-st/) | 0.22 mi SE | Electrical | Replace overhead line to garage. Replace breaker. | $2,680 | [EP-2026-05243](https://nearbypermits.com/pittsburgh/permit/EP-2026-05243/) | | Jul 27, 2026 | [228 Kaercher St](https://nearbypermits.com/pittsburgh/address/228-kaercher-st/) | 0.23 mi SE | Electrical | replace existing and install new 200 amp service with outdoor disconnect and whole house surge protector with proper grounding | $2,500 | [EP-2026-04963](https://nearbypermits.com/pittsburgh/permit/EP-2026-04963/) | | Jul 16, 2026 | [406 Alger St](https://nearbypermits.com/pittsburgh/address/406-alger-st/) | 0.24 mi NE | Alteration or repair | Emergency basement foundation repairs and framing modifications throughout existing single-family dwelling | $5,000 | [BDA-2026-02462](https://nearbypermits.com/pittsburgh/permit/BDA-2026-02462/) | | Jul 1, 2026 | [239 Kaercher St](https://nearbypermits.com/pittsburgh/address/239-kaercher-st/) | 0.23 mi SE | Alteration or repair | | $4,553 | [BDA-2026-05925](https://nearbypermits.com/pittsburgh/permit/BDA-2026-05925/) | ## More on this street Other addresses on Sylvan Ave with permits, nearest house number first: - [9 Sylvan Ave](https://nearbypermits.com/pittsburgh/address/9-sylvan-ave/): newest permit Sep 4, 2025 - [4610 Sylvan Ave](https://nearbypermits.com/pittsburgh/address/4610-sylvan-ave/): newest permit Jan 10, 2025 - [4655 Sylvan Ave](https://nearbypermits.com/pittsburgh/address/4655-sylvan-ave/): newest permit Aug 8, 2025 - [4710 Sylvan Ave](https://nearbypermits.com/pittsburgh/address/4710-sylvan-ave/): newest permit Mar 10, 2025 - [4711 Sylvan Ave](https://nearbypermits.com/pittsburgh/address/4711-sylvan-ave/): newest permit Sep 25, 2025 --- Source: Pittsburgh Department of Permits, Licenses, and Inspections permit data (https://data.wprdc.org/dataset/pli-permits), City of Pittsburgh, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-08 04:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 9 nearby: https://nearbypermits.com/pittsburgh/address/21-sylvan-ave/