# Building permits in Los Angeles County 91750 21 permits in the last 90 days. The newest, Oct 7: Whole-Home Backup Battery Installation: - Total Battery Capacity: 20kWh - 2 Enphase IQ Battery 10C, at 4643 Williams Avenue. | Date | Address | Type | Work | Cost | Permit | |---|---|---|---|---|---| | Oct 7, 2026 | [4643 Williams Avenue](https://nearbypermits.com/los-angeles-county/address/4643-williams-avenue/) | Electrical | Whole-Home Backup Battery Installation: - Total Battery Capacity: 20kWh - 2 Enphase IQ Battery 10C IQBATTERY-10C-1P-NA-DOM - 4 IQ8B Microinverters per Enphase IQ Battery 10C (include on SDL) - 1 Enphase IQ Combiner 6C X-IQ-AM1-240-6C - 1 Enphase IQ Meter Collar MC-200-011-V01 - 1 60A Bladed AC Disco | Not listed | [UNC-ELEC260921009849](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260921009849/) | | Sep 25, 2026 | [727 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/727-gaillard-street/) | Plumbing | Plmb for (N) 180 sf master bedroom expansion and (N) 32 sf hallway, conversion of bathroom into walk-in-closet, new master bedroom. | $65,556 | [UNC-PLMB260925004226](https://nearbypermits.com/los-angeles-county/permit/UNC-PLMB260925004226/) | | Sep 25, 2026 | [727 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/727-gaillard-street/) | Mechanical (HVAC) | Mech for (N) 180 sf master bedroom expansion and (N) 32 sf hallway, conversion of bathroom into walk-in-closet, new master bedroom. | $65,556 | [UNC-MECH260925003939](https://nearbypermits.com/los-angeles-county/permit/UNC-MECH260925003939/) | | Sep 25, 2026 | [727 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/727-gaillard-street/) | Alteration or repair | (N) 180 Sf master bedroom expansion and (N) 32 sf hallway, conversion of bathroom into walk-in-closet, new master bedroom. | $65,556 | [UNC-BLDR260626006331](https://nearbypermits.com/los-angeles-county/permit/UNC-BLDR260626006331/) | | Sep 23, 2026 | [704 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/704-gaillard-street/) | Electrical | Partial rewire | Not listed | [UNC-ELEC260908009311](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260908009311/) | | Sep 16, 2026 | [4556 Live Oak Canyon Road](https://nearbypermits.com/los-angeles-county/address/4556-live-oak-canyon-road/) | Plumbing | PLMB FOR Project involves reconfiguring the kitchen/dining area, and remodeling the existing primary bathroom (~750sf of an existing 2627sf residence). No new square footage will be added. There will be minor alterations to windows on the North and South elevations. | $125,000 | [UNC-PLMB260915004050](https://nearbypermits.com/los-angeles-county/permit/UNC-PLMB260915004050/) | | Sep 16, 2026 | [4556 Live Oak Canyon Road](https://nearbypermits.com/los-angeles-county/address/4556-live-oak-canyon-road/) | Mechanical (HVAC) | MECH FOR Project involves reconfiguring the kitchen/dining area, and remodeling the existing primary bathroom (~750sf of an existing 2627sf residence). No new square footage will be added. There will be minor alterations to windows on the North and South elevations. | $125,000 | [UNC-MECH260915003807](https://nearbypermits.com/los-angeles-county/permit/UNC-MECH260915003807/) | | Sep 16, 2026 | [4556 Live Oak Canyon Road](https://nearbypermits.com/los-angeles-county/address/4556-live-oak-canyon-road/) | Electrical | ELEC FOR Project involves reconfiguring the kitchen/dining area, and remodeling the existing primary bathroom (~750sf of an existing 2627sf residence). No new square footage will be added. There will be minor alterations to windows on the North and South elevations. | $125,000 | [UNC-ELEC260915009595](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260915009595/) | | Sep 16, 2026 | [4556 Live Oak Canyon Road](https://nearbypermits.com/los-angeles-county/address/4556-live-oak-canyon-road/) | Alteration or repair | Project involves reconfiguring the kitchen/dining area, and remodeling the existing primary bathroom (~750sf of an existing 2627sf residence). No new square footage will be added. There will be minor alterations to windows on the North and South elevations. | $125,000 | [UNC-BLDR250910011510](https://nearbypermits.com/los-angeles-county/permit/UNC-BLDR250910011510/) | | Sep 15, 2026 | [911 Herbine Street](https://nearbypermits.com/los-angeles-county/address/911-herbine-street/) | Electrical | upgrade electric panel to 200A, same location, in relation to UNC-BLDR251216016251 | Not listed | [UNC-ELEC260908009355](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260908009355/) | | Aug 26, 2026 | [225 Summit Road](https://nearbypermits.com/los-angeles-county/address/225-summit-road/) | Solar | installation of new rooftop solar 18.92 KW DC and ESS with MPU | Not listed | [UNC-EXPR260826002593](https://nearbypermits.com/los-angeles-county/permit/UNC-EXPR260826002593/) | | Aug 25, 2026 | [225 Summit Road](https://nearbypermits.com/los-angeles-county/address/225-summit-road/) | Electrical | Main service panel has been upgraded to 200/225a | Not listed | [UNC-EXPR260825002579](https://nearbypermits.com/los-angeles-county/permit/UNC-EXPR260825002579/) | | Aug 19, 2026 | [6631 Stephens Ranch Road](https://nearbypermits.com/los-angeles-county/address/6631-stephens-ranch-road/) | Plumbing | CAMP AFFLERBAUGH - Relocating sewer cleanout pipe | Not listed | [UNC-PLMB250626002799](https://nearbypermits.com/los-angeles-county/permit/UNC-PLMB250626002799/) | | Aug 17, 2026 | [934 Glenlea Street](https://nearbypermits.com/los-angeles-county/address/934-glenlea-street/) | Solar | Installation of roof mounted solar PV system system size: dc size: 12.150 kw dc-(stc) cec ac size: 10.992 kw ac module: (30) longi solar lr5-54hpb-405m (405w) [blk] modules inverter+ess: (1) tesla powerwall3 (1707000-60-m)(240v) battery : tesla powerwall 3 expansion (1807000-20-y)(240v) rsd: (12) te | Not listed | [UNC-EXPR260817002507](https://nearbypermits.com/los-angeles-county/permit/UNC-EXPR260817002507/) | | Aug 10, 2026 | [704 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/704-gaillard-street/) | Plumbing | Plumbing for bathroom remodel. | $7,500 | [UNC-PLMB260810003489](https://nearbypermits.com/los-angeles-county/permit/UNC-PLMB260810003489/) | | Aug 10, 2026 | [704 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/704-gaillard-street/) | Plumbing | Plumbing for bathroom remodel. | Not listed | [UNC-PLMB260807003481](https://nearbypermits.com/los-angeles-county/permit/UNC-PLMB260807003481/) | | Aug 10, 2026 | [704 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/704-gaillard-street/) | Electrical | Electrical for bathroom remodel. | $7,500 | [UNC-ELEC260810008152](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260810008152/) | | Aug 10, 2026 | [704 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/704-gaillard-street/) | Electrical | Electrical for bathroom remodel. | Not listed | [UNC-ELEC260807008119](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260807008119/) | | Aug 10, 2026 | [704 Gaillard Street](https://nearbypermits.com/los-angeles-county/address/704-gaillard-street/) | Alteration or repair | Bathroom remodeling drywall repair as needed, new tile replace shower, toilet, 2 sinks, 1 fan, 5 lights, 3 gfi's and 2 switches. | $7,500 | [UNC-BLDR260810007808](https://nearbypermits.com/los-angeles-county/permit/UNC-BLDR260810007808/) | | Aug 4, 2026 | [540 Lesmar Drive](https://nearbypermits.com/los-angeles-county/address/540-lesmar-drive/) | Electrical | Electric Panel Upgrade to 200AMP and add a 240 40A Circuit and one Nema 14-50R outlet (Ready for 7.68KW EV Charger) | Not listed | [UNC-ELEC260731007844](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260731007844/) | | Jul 28, 2026 | [743 E Juanita Avenue](https://nearbypermits.com/los-angeles-county/address/743-e-juanita-avenue/) | Solar | "Reinstallation of existing rooftop mounted photovoltaic system due to reroof". | $800 | [UNC-SOLR260721001061](https://nearbypermits.com/los-angeles-county/permit/UNC-SOLR260721001061/) | | Jul 7, 2026 | [524 Fernshaw Drive](https://nearbypermits.com/los-angeles-county/address/524-fernshaw-drive/) | Solar | Residential Roof Mounted Solar Panel Install - 10.66kW DC with ESS | Not listed | [UNC-EXPR260707002016](https://nearbypermits.com/los-angeles-county/permit/UNC-EXPR260707002016/) | | Jul 7, 2026 | [743 E Juanita Avenue](https://nearbypermits.com/los-angeles-county/address/743-e-juanita-avenue/) | Roofing | House and attached garage, tear off existing roof, install (25) sqaures of comp shingles crrc# 0890-0012. (Permitted areas only) | $4,000 | [UNC-BLDR260630006456](https://nearbypermits.com/los-angeles-county/permit/UNC-BLDR260630006456/) | | Jun 29, 2026 | [506 Lesmar Drive](https://nearbypermits.com/los-angeles-county/address/506-lesmar-drive/) | Plumbing | Tankless water heater installation located in the garage. | Not listed | [UNC-PLMB260625002835](https://nearbypermits.com/los-angeles-county/permit/UNC-PLMB260625002835/) | | Jun 29, 2026 | [506 Lesmar Drive](https://nearbypermits.com/los-angeles-county/address/506-lesmar-drive/) | Electrical | Adding gfci electrical outlet for tankless water heater. | Not listed | [UNC-ELEC260625006473](https://nearbypermits.com/los-angeles-county/permit/UNC-ELEC260625006473/) | More: https://nearbypermits.com/los-angeles-county/zip/91750/?page=2 ## Zoning requests in 91750 We don't list zoning cases for Los Angeles County yet. Look them up on the county's Regional Planning Commission page: https://planning.lacounty.gov/public-hearings-and-meetings/regional-planning-commission/ --- Source: LA County Public Works, Building and Safety permit data (https://www.arcgis.com/home/item.html?id=b2a835d49c194029a525fb60cf24aa59). Checked 2026-10-12 21:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map and full list of the 21 permits in Los Angeles County 91750 from the last 90 days: https://nearbypermits.com/los-angeles-county/zip/91750/