Guarantee Electrical Company
Solar installer working in St. Louis.
- St. Louis publishes no contractor license list we can check
21 jobs on St. Louis permits, 2022 to 2026: 8 solar installations, 7 panel upgrades, 6 EV charger installations. 19th most solar system permits of 36 contractors in St. Louis.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | St. Louis publishes no contractor license list we can checkThat says nothing about this business either way. | Ask them |
| Jobs on record | 21 jobs on St. Louis permits, 2022 to 2026: 8 solar installations, 7 panel upgrades, 6 EV charger installations19th most solar system permits of 36 contractors in St. Louis. That counts jobs, not quality.Our St. Louis permit records cover October 2021 to September 2026. |
Records: City of St. Louis permits.
Cost and timing
All solar system jobs in St. Louis: $9,700 to $40,000
Half of 571 city permits list an amount in this range. Permit amounts are often lower than what you pay.
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 $180,272 (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 St. Louis.
Get 2 or 3 written quotes.
Track record
2 jobs in the last 12 months, down from 5 the year before
Jobs by kind of work
- Solar
- Panel upgrade
- EV charger
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | On the permit form |
|---|---|---|
| Aug 14, 2026 | Solar52786 tarlton canopy solar | $185,000 |
| Dec 22, 2025 | Panel upgradeMark koeln residence - installing (2) new panels, one for the garage & one for the house, new meter… | $2,000 |
| Apr 4, 2025 | Solar52748 subsurface solar | $45,000 |
| Dec 16, 2024 | EV chargerWashu n campus ev garage | $30,000 |
| Nov 20, 2024 | Solar11687 ameren gratiot solar | $250,000 |
| Nov 4, 2024 | Panel upgradeTeri decker residence - the upgrade is to convert (2) existing 100 amp service to (1) 200 amp… | $1,500 |
| Oct 24, 2024 | EV chargerWash u we drive / ev chargers - ab-582639 - job # 11706 | $1,000,000 |
| Sep 19, 2024 | EV chargerGuarantee electrical construction company install 50 amp level 2 ev charger - job # 11640 | $5,000 |
| Jul 24, 2024 | EV chargerSlso ev charger & fire pump service-pb95703013-23 -11605 | $2,000 |
| Mar 27, 2024 | Solar52733 buder library solar | $55,000 |
| Mar 27, 2024 | Solar52734 julia davis library solar | $62,000 |
| Dec 21, 2023 | Panel upgradeContegra - 1212 pierce service upgrade - replacing an existing 400 amp service with a new 800 amp… | $22,000 |
| Nov 8, 2023 | Panel upgradeFerminich panel replacement - premise # 750321601 - job # 50017.600 | not stated |
| Nov 6, 2023 | Panel upgradeTwsh kennell - a sub panel off of the existing panel in the facility | $1,500 |
| Mar 31, 2023 | EV chargerAvis - ev chargers - job # 50016.225 | $2,500 |
| Mar 1, 2023 | Solar11610 ameren neighborhood solar - delmar | $175,545 |
| Dec 15, 2022 | EV charger51906.887 ev chargers | $15,000 |
| Dec 9, 2022 | Solar11612 ameren solar n metro | $375,000 |
| Jul 19, 2022 | Panel upgrade11567 butler building - unit panels | $5,500,000 |
| Jul 8, 2022 | Solar11593- missouri botanical garden solar install | $230,000 |
| May 2, 2022 | Panel upgrade11567 butler building - house panel | $1,500,000 |
What to ask before you hire
About Guarantee Electrical Company
- Ask for their license number and check it with the state.
- 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
- Can you show me proof of liability insurance and your bond?
- 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 Guarantee Electrical Company
Five quick questions. We pass your request to Guarantee Electrical Company.
Request for Guarantee Electrical Company
- Where
- Job
- Start
- Budget
- Goes to
You decide who to hire. Your details go only to the contractors you pick. How we use your details
Sent. We have your request.
We pass it to Guarantee Electrical Company. 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
See all 36 solar installers in St. Louis, ranked by jobs
Run this business? Claim this page to get requests by email and reply to homeowners here.