Published pricing puts a 100A to 200A panel upgrade at $2,800–$4,200, with a full range of $1,800–$8,500. The City permit is $176.57 for services up to 200A. On the same parcel, a panel permit followed an ADU permit by a median 68 days (23 cases).
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Measured triggers (City of SD 2026 permits, same parcel, median days to panel permit): kitchen 33 (n=11), ADU 68 (n=23), HVAC 69 (n=5). Panel → solar 97 days (n=10).
Sources: brightprosd.com 2026 cost guide; buildpermitguide.com (City IB 103); data.sandiego.gov.