Mount Solar LLC
Solar installer based in Bonney Lake.
- License active
- Bond on file
4 solar system jobs on Seattle permits, 2024 to 2025. 28th most solar system permits of 33 contractors in Seattle.
What the public records show
From the state's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License MOUNTSL776RK, active in the state's records on Oct 3, 2026Electrical contractor, residential specialty | Checks out |
| Insurance and bond? | Bond $4,000 on file with the state, with no end date (it stays in force until the bond company cancels it)The state keeps no liability insurance records for electrical contractors, so ask for a certificate. | Bond on file |
| Jobs on record | 4 solar system jobs on Seattle permits, 2024 to 2025Every permit we have for them is solar system.They are based in Bonney Lake. Work outside Seattle is not in these records.28th most solar system permits of 33 licensed contractors in Seattle. That counts jobs, not quality.Our Seattle permit records cover October 2021 to September 2026.Of their 4 solar system permits, 1 mention a battery. |
Records: the state Department of Labor and Industries and City of Seattle permits.
Cost and timing
All solar system jobs in Seattle: $9,400 to $29,000
Half of 3,466 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Solar with a battery in Seattle: $19,000 to $55,000 (145 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $22,500 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What solar system jobs cost in Seattle.
Get 2 or 3 written quotes.
Permit timeline
Across Seattle, a solar system permit stays open about 43 days, from permit to final inspection
This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. How long solar system jobs take.
Track record
Where they work most
- 981251 job
- 981331 job
- 981151 job
- 981991 job
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Dec 10, 2025 | Solar, 10 kW10kw rooftop solar installation | 98125 | $25,000 |
| Aug 28, 2025 | Solar, 8 kWAdding 8KW AC solar and 12kw/40kwh battery storage for emergency backup [8/28/2025 BGO - Approved… | 98133 | $20,000 |
| Jul 8, 2025 | Solar, 5.46 kW5.46kw Rooftop Solar w/ Panel upgrade | 98115 | $20,000 |
| Dec 31, 2024 | SolarPV A/C coupled Enphase system IQ8-M with 22 Silfab 430w QD | 98199 | $25,000 |
What to ask before you hire
About Mount Solar LLC
- Ask for a certificate of liability insurance.
- Ask what the warranty covers and for how long, in writing.
- Search their name on the Better Business Bureau site, and read their reviews.
Worth asking any solar installer
- What size system, which panels and inverter, and what will it make in a year?
- Is my roof good for 25 more years, and what if it needs work first?
- Who handles the permit and the utility's approval to turn it on?
Get a quote from Mount Solar LLC
Five quick questions. We pass your request to Mount Solar LLC.
Request for Mount Solar LLC
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We pass it to Mount Solar LLC. Replies usually come within a few days.
Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
Open your job roomMore solar installers near 98125 and 98133
- Puget Sound Solar
- A&r Solar Corp
- Purelight Power
- Unity Electrical Service LLC
- Universal Electric Pnw
- Sun's Eye Solar
See all 33 solar installers in Seattle, ranked by jobs
Run this business? Claim this page to get requests by email and reply to homeowners here.