# Building permits at 4650 Ludlow St, Boulder, CO 10 permits on record here. The newest, May 6: Addition was built causing 7 solar panels to be blocked by shadow of addition. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | May 6, 2026 | Electrical | Addition was built causing 7 solar panels to be blocked by shadow of addition. 7 solar panels to be installed on addition, same solar kw. | $2,000 | [ELE2026-00200](https://nearbypermits.com/boulder/permit/ELE2026-00200/) | | Sep 11, 2025 | Alteration or repair | Finished basement alteration for a single family detached dwelling | $12,600 | [BLD-SFD2025-00156](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00156/) | | Sep 10, 2025 | Addition | Construction of a two-story rear addition to a single family detached dwelling. Upper level includes a master suite for the principal dwelling and lower level is a proposed attached ADU. *10/7/25 Revision to location of deck support beam and floor framing* | $231,000 | [BLD-SFD2025-00084](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00084/) | | Jul 6, 2022 | Alteration or repair | Install (2) push piers along the south foundation wall to help mitigate future vertical movement in this area. Install (6) new wall anchors along the south foundation wall to help mitigate future lateral movement in this area. Change of Scope 3/30/23 Adding 6 new wall anchors New SOW is: Scope: Inst | $22,333 | [BLD-SFD2022-00301](https://nearbypermits.com/boulder/permit/BLD-SFD2022-00301/) | | Jul 16, 2021 | Electrical | Install solar PV panels flush to roof and intertie at MSP Upgrade service - replace existing exterior meter with meter mains to feed existing interior panels. | $30,000 | [ELE2021-00989](https://nearbypermits.com/boulder/permit/ELE2021-00989/) | | Jun 8, 2021 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* install replacement 50 gallon 40k btu gas water heater | $1,806 | [MEC2021-01073](https://nearbypermits.com/boulder/permit/MEC2021-01073/) | | Jun 8, 2021 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* install replacement 18 SEER 2 ton heat pump and 27 SEER 2.5 ton air handler w/reconnect | $13,975 | [MEC2021-01072](https://nearbypermits.com/boulder/permit/MEC2021-01072/) | | Jan 15, 2021 | Alteration or repair | Permit to stabilize attached garage foundation using four helical piers. Excavation area (depth 3', 2'x2'). | $6,400 | [BLD-SFD2021-00004](https://nearbypermits.com/boulder/permit/BLD-SFD2021-00004/) | | Aug 24, 2016 | Alteration or repair | Replacing two existing windows in the basement of a single family residence with egress windows. See engineer's letter for installation requirements. | $17,500 | [PMT2016-03913](https://nearbypermits.com/boulder/permit/PMT2016-03913/) | | Nov 9, 2015 | Roofing | Remove existing shingles and re-roof residence with dimensional shingles. 17 squares, roof pitch represented by contractor to be 5:12. | $5,020 | [PMT2015-04993-RFG](https://nearbypermits.com/boulder/permit/PMT2015-04993-RFG/) | ## More on this street Other addresses on Ludlow St with permits, nearest house number first: - [4640 Ludlow St](https://nearbypermits.com/boulder/address/4640-ludlow-st/): newest permit May 28, 2026 - [4675 Ludlow St](https://nearbypermits.com/boulder/address/4675-ludlow-st/): newest permit Sep 24, 2025 - [4620 Ludlow St](https://nearbypermits.com/boulder/address/4620-ludlow-st/): newest permit Oct 18, 2024 - [4685 Ludlow St](https://nearbypermits.com/boulder/address/4685-ludlow-st/): newest permit Jan 15, 2026 - [4735 Ludlow St](https://nearbypermits.com/boulder/address/4735-ludlow-st/): newest permit Mar 5, 2026 - [4760 Ludlow St](https://nearbypermits.com/boulder/address/4760-ludlow-st/): newest permit Feb 19, 2026 - [4785 Ludlow St](https://nearbypermits.com/boulder/address/4785-ludlow-st/): newest permit Jul 22, 2025 - [4475 Ludlow St](https://nearbypermits.com/boulder/address/4475-ludlow-st/): newest permit Dec 17, 2024 - [4425 Ludlow St](https://nearbypermits.com/boulder/address/4425-ludlow-st/): newest permit Mar 17, 2026 - [4380 Ludlow St](https://nearbypermits.com/boulder/address/4380-ludlow-st/): newest permit Dec 6, 2024 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 05:53 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 10 permits at this address: https://nearbypermits.com/boulder/address/4650-ludlow-st/