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How long does a panel upgrade take in Seattle?

In Seattle, the typical finished panel upgrade took 37 days from permit to final inspection (4,746 finished of 5,236 permits issued from September 2022 to September 2024; 9% had no final inspection on record by September 2026).

37 daysfrom permit to final inspectionMiddle half: 12 days to 4 months

The two steps

How long panel upgrades take in Seattle, in daysPermit issued to final inspection: median 37 days, middle half 12 to 119 days, 4,746 permits.Permit issued to final inspection: 37 days01 mo2 mo3 mo
Bars show the median; the line through each bar spans the middle half of jobs.
The numbers behind the chart
StepMedianMiddle halfPermitsPermits issued
Permit to final inspection37 days12 days to about 4 months4,746September 2022 to September 2024

Panel upgrade electricians with the most jobs in Seattle

RankContractorJobsContact
1Seatown Electric, Plumbing, Heating & Air Dba Seatown Services
Mukilteo
894
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2As You Wish Electric
Seattle
830
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3Greenwood Heating & Home Services
Tukwila
379
Visit website

See all 327 ranked panel upgrade electricians

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Why it takes this long

  • 70% of finished jobs passed final inspection within 90 days of the permit.
  • Of the 5,236 permits issued from September 2022 to September 2024, 490 (9%) had no final inspection on record by September 2026. They may still be under way, dropped or never inspected; the records do not say which. They are left out of the build time; any of them that finishes will have taken more than two years, so counting them would make the typical time longer.
  • The permit wait is not shown: 96% of 3,244 permits carry no application date, so the rest would not show the typical wait.

Days are counted between the dates on each city permit: applieddate, issueddate, completeddate. Median and middle half: half of the jobs took longer than the median; the middle half runs from the 25th to the 75th percentile. A figure is shown only when it rests on 30 or more permits. Kinds of work are sorted by the same rules as our contractor lists. Source: Seattle Building, Electrical and Trade Permits (data.seattle.gov 76t5-zqzr, c4tj-daue, c87v-5hwh), read 2026-09-24. The same figures as data: electrical-panel.json.