2 reports. Useful first pass, but one outlier can still shift the range.

Electrical Panel Upgrade Cost in Longmont, CO

In Longmont, CO, an electrical panel upgrade typically costs between $3,000 and $6,000, with most homeowners paying around $4,500. The middle 50% of projects fall between $3,750 and $5,250. These figures are based on recent local projects in the area.

Early data · 2 reports so far. compare with the broader service overview before making a decision. More reports make this guide stronger.

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Price distribution

Median $4,500.00 · typical $3,750.00–$5,250.00

$4,500.00

$3,000.00

$6,000.00

Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.

Most jobs land between $3,150.00 and $5,850.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.

Based on reports from Apr 2026 (first entries this month).

Data freshness: 2 reports in the last 90 days. Help keep this current →

Data last updated Apr 7, 2026.

Size context is still being collected (2 of 2 reports include home size or system size). Numbers above may not reflect what your specific home would pay. Add a report to sharpen this →

Latest reports

The underlying prices behind this page.

2 total reports

Size 150 amp 1 200 amp 1

$3,000.00

7 days ago

150 amp

Upgraded from 100A to 150A electrical service for under $3k. Helped with some of the work, like cutting out the brick for the new panel.

$6,000.00

7 days ago

200 amp

Upgraded from 100A to 200A service including trenching, boring, and new copper wiring. Chose a detailed $6k quote from a small, professional family shop.

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