Alternative Roofing Systems Inc.
Roofing contractor based in Snohomish.
- License active
- Insurance and bond on file
6 roofing jobs on Seattle permits, 2023 to 2026. 7th most roofing permits of 22 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 ALTERRS900PH, active in the state's records on Oct 3, 2026Construction contractor, roofing specialty | Checks out |
| Insurance and bond? | Bond $30,000 on file with the state, with no end date (it stays in force until the bond company cancels it)Liability insurance $1,000,000 on file with the state, until Mar 25, 2027. | On file |
| Jobs on record | 6 roofing jobs on Seattle permits, 2023 to 2026Every permit we have for them is roofing.They are based in Snohomish. Work outside Seattle is not in these records.7th most roofing permits of 22 licensed contractors in Seattle. That counts jobs, not quality.Our Seattle permit records cover October 2021 to September 2026.Of their 6 roofing permits, 2 mention a flat or low-slope roof. |
Records: the state Department of Labor and Industries and City of Seattle permits.
Cost and timing
All roofing jobs in Seattle: $15,000 to $38,000
Half of 782 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Roof replacements in Seattle: $15,000 to $37,000 (685 permits)
- Shingle roofs in Seattle: $14,000 to $28,000 (455 permits)
- Flat and low-slope roofs in Seattle: $22,000 to $95,000 (105 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 $100,172 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What roofing jobs cost in Seattle.
Get 2 or 3 written quotes.
Permit timeline
Across Seattle, a roofing permit stays open about 75 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 roofing jobs take.
Track record
Jobs per quarter
Where they work most
- 981022 jobs
- 981151 job
- 981211 job
- 981251 job
- 981041 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 |
|---|---|---|---|
| Apr 8, 2026 | ReroofInstallation of 50mil Duro-Last PVC membrane over one layer of existing smooth torch down roofing | 98102 | $58,711 |
| Aug 27, 2025 | ReroofRemoval of existing roofing materials exposing plywood sheathing for inspection and or replacement… | 98115 | $72,589 |
| Jun 11, 2025 | ReroofInstallation of 50mil Duro-Last Single-Ply PVC Membrane over one existing layer of torch down | 98102 | $19,810 |
| Jun 9, 2025 | ReroofRemoval of existing roofing layer and installation of Duro-Last Single-Ply PVC membrane | 98121 | $524,515 |
| Mar 4, 2025 | ReroofRoof overlay to existing substrate installing 1 layer of 2" Poly-ISO Insulation with 1 layer of… | 98125 | $253,558 |
| Oct 31, 2023 | ReroofRoof Overlay: Installing 3/8" FanFold Insulation with mechanically fastened Duro-Last 50mil PVC. No… | 98104 | $127,756 |
What to ask before you hire
About Alternative Roofing Systems Inc.
- 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 roofing contractor
- Can you show me proof of liability insurance and your bond?
- Will you tear off the old roof or lay the new one over it?
- What do you charge to replace rotted roof boards, per sheet, if you find any?
- Who pulls the permit, and who meets the inspector?
Get a quote from Alternative Roofing Systems Inc.
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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 roofing contractors near 98102 and 98115
- Valentine Roofing
- State Roofing Inc
- Four Seasons Roof
- Solgen Power, LLC
- Erie Construction Mid-west LLC
- James King Roofing, LLC
See all 22 roofing contractors in Seattle, ranked by jobs
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