Gannon Construction Co
Remodeling contractor working in Marin County. Licensed since 1988.
- License active
- Workers' comp on file
16 jobs on Marin County permits, 2022 to 2026: 8 remodels, 5 home additions, 2 ADUs, 1 heat pump installation. 14th most remodel permits of 143 contractors in Marin County.
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 544989, active in the state's records on Sep 23, 2026General engineering, general buildingNo complaints or citations on the board's public record. | Checks out |
| Workers' comp? | Workers' comp policy on file with the stateThis covers their crew if someone is hurt. It is not insurance for your home. | On file |
| In business? | Licensed since 1988 | |
| Jobs on record | 16 jobs on Marin County permits, 2022 to 2026: 8 remodels, 5 home additions, 2 ADUs, 1 heat pump installationTheir permits mention 5 kitchens, 3 bathrooms, 2 decks.14th most remodel permits of 143 licensed contractors in Marin County. That counts jobs, not quality.Our Marin County permit records cover October 2021 to September 2026. |
Records: the state license board and City of Marin County permits.
State license board record
Last checked Oct 4, 2026. This may have changed. Check it on CSLB.
No complaints or citations on the board's public record.
Source: California Contractors State License Board, checked Oct 4, 2026. Look up license 544989 on CSLB
Cost and timing
All remodel jobs in Marin County: $35,000 to $250,000
Half of 1,511 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Kitchen remodels in Marin County: $45,000 to $199,000 (439 permits)
- Bathroom remodels in Marin County: $25,000 to $145,000 (597 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 $250,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. Kitchen jobs alone: typical permit $150,000 (5 permits, a small sample). What remodel jobs cost in Marin County.
Get 2 or 3 written quotes.
Track record
3 jobs in the last 12 months, about the same as 3 the year before
Where they work most
- 949036 jobs
- 949415 jobs
- 949042 jobs
- 949602 jobs
- 949201 job
Jobs by kind of work
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 |
|---|---|---|---|
| Jul 24, 2026 | Remodel | 94941 | $300,000 |
| Jul 24, 2026 | Addition | 94941 | $300,000 |
| Jul 24, 2026 | Heat pump | 94941 | $300,000 |
| Jun 12, 2025 | RemodelREMODEL ADU New A D U; Remove Partial Height Wall In Kitchen; (N) Window In Laundry Rm; New… | 94941 | $150,000 |
| Jun 12, 2025 | ADUREMODEL ADU New A D U; Remove Partial Height Wall In Kitchen; (N) Window In Laundry Rm; New… | 94941 | $150,000 |
| Jan 16, 2025 | RemodelREMODEL Kitchen Remodel & Skylight Replacement | 94920 | $150,000 |
| Apr 22, 2024 | RemodelADDITION REMODEL Addition; Remodel; Deck | 94903 | $250,000 |
| Apr 22, 2024 | AdditionADDITION REMODEL Addition; Remodel; Deck | 94903 | $250,000 |
| Oct 12, 2023 | RemodelADDITION REMODEL Addition, Remodel Kitchen & 2 Baths; Vault Ceiling | 94904 | $600,000 |
| Oct 12, 2023 | AdditionADDITION REMODEL Addition, Remodel Kitchen & 2 Baths; Vault Ceiling | 94904 | $600,000 |
| Sep 15, 2023 | RemodelADDITION REMODEL Add 3 Bedrms, 1 Bath, Laundry; New Electric, Water, & Gas Mains; Furnace; A/C;… | 94903 | $250,000 |
| Sep 15, 2023 | AdditionADDITION REMODEL Add 3 Bedrms, 1 Bath, Laundry; New Electric, Water, & Gas Mains; Furnace; A/C;… | 94903 | $250,000 |
| May 31, 2023 | RemodelREMODEL ADU (N) Attached A D U & Remodel (E) Exercise Room; Storage Above; Deck | 94903 | $250,000 |
| May 31, 2023 | ADUREMODEL ADU (N) Attached A D U & Remodel (E) Exercise Room; Storage Above; Deck | 94903 | $250,000 |
| Sep 22, 2022 | RemodelADDITION REMODEL Addition; Remodel Kitchen, Living And Dining Rooms R V F D T U S D | 94960 | $74,000 |
| Sep 22, 2022 | AdditionADDITION REMODEL Addition; Remodel Kitchen, Living And Dining Rooms R V F D T U S D | 94960 | $74,000 |
What to ask before you hire
About Gannon Construction Co
- Ask what the warranty covers and for how long, in writing.
Worth asking any remodeling contractor
- Can you show me proof of liability insurance and your bond?
- What is in the price, and how do you price changes once work starts?
- Who will run the job day to day, and who are the subcontractors?
- Who pulls the permits, and what is the payment schedule?
Get a quote from Gannon Construction Co
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