Roofing Contractor in Newcastle, WA
Newcastle sits on the slopes of Cougar Mountain between Bellevue and Renton, about twenty miles from our shop. It is compact, hilly, heavily treed, and its roofs reflect all three.

Hillside roofs and tree cover in Newcastle
Newcastle is built into a hillside, and that has practical consequences. Roof access is harder, houses are frequently multi-level with roofs at several different heights, and the sections that meet the hill side of the house get very little sun.
Those permanently shaded sections are where moss takes hold first and worst. It is normal here to find one slope of a roof in good condition and the shaded slope of the same roof carrying heavy growth.
Multi-level rooflines also mean upper roofs draining onto lower ones. Where that happens, the lower section takes concentrated water and wears faster, and the junction between the two levels needs proper flashing rather than sealant.
What we typically find on Newcastle roofs
- One slope clean and the hill-side slope carrying heavy growth
- Upper roofs draining onto lower ones, wearing the lower section faster
- Level-change junctions sealed with caulk where flashing belongs
- Access and staging complications on steep hillside lots
Newcastle housing and roof age
Newcastle's housing sits within the 98056 ZIP shared with north Renton, an average value near $602,000 across a compact and largely built-out area. Most is 1990s and 2000s construction now reaching the point where original roofs need attention.
Roofing services we offer in Newcastle
| Service | What it covers | Typical range |
|---|---|---|
| Roof Replacement | A full tear-off down to the deck, a rebuilt system, and the three-layer warranty. | $12,000–$20,000 |
| Roof Repair and Leak Repair | Find the actual source of the leak, fix that, and tell you honestly whether the roof still has life in it. | $500–$1,500 |
| Roof Cleaning and Moss Removal | Soft washing that lifts the growth without stripping the granules off your shingles. | $300–$1,000 |
| Gutter Installation | New gutters and downspouts sized for Puget Sound rain, installed to move water away from the house. | $500–$3,500 |
| Skylight Installation | New skylights flashed into the roof system properly, so the hole in your roof stays watertight. | — |
| Skylight Repair | Leaking skylights re-flashed or replaced — usually a flashing problem, not the glass. | — |
Ranges are what this work typically costs. Your number comes in a written estimate after the inspection, not before.
Do you need a permit to replace a roof in Newcastle?
Newcastle sits in King County, and the rule there is specific.
A full roof replacement requires a building permit. Washington’s state building code sets the requirement and each city’s building department enforces it, so the application goes to your city rather than to the county.
That is the King County position, and it governs unincorporated areas. Newcastle adopts its own building code and can be stricter than the county, so confirm with the city’s building department — or let us. We pull whatever the job needs as part of the work, and in both Snohomish and Pierce counties the exemption ends the moment any roof sheathing has to be replaced, which is not knowable until the old roof is off.
Source: kingcounty.gov — permits and inspections
Where we cover in Newcastle
| County | King County |
|---|---|
| ZIP codes we cover | 98056 |
| From our Bothell shop | 19.9 miles |
| Households in these ZIPs | 14,232 |
| Free inspections | Yes, no obligation |
Nearby cities we also serve
Why Newcastle homeowners choose us
- Daniel does the estimate himself. There is no sales team, so the person who looks at your roof is the person accountable for the work.
- Your shingles covered for 50 years, our workmanship for 30 — and CertainTeed guarantees our installation alongside us for the first 15.
- 5.0 stars across 71 Google reviews and a BBB A+ rating since December 2023.
- Licensed, bonded and insured — Washington license BRIXTWR790QN, $1,000,000 general liability.
Before you get quotes in Newcastle
- What a roof actually costs here — real ranges and what moves them
- How to compare roofing quotes — the twelve lines every bid should contain
- The Puget Sound maintenance calendar — what to do each season
Roofing questions from Newcastle homeowners
Sun. The shaded slope stays damp for hours longer every day, and moss establishes there first. On a hillside like Newcastle that difference is especially sharp.
Expected — that lower section is taking concentrated runoff from above. It wears faster and the junction between the levels needs real flashing. It is a detail worth getting right during a replacement.
It takes more setup for access and safety, but it is normal work here. We account for it at the estimate rather than discovering it on the day.
★★★★★“Very professional, on time and did a great job on our new roof. Daniel was very helpful and quick to address all our questions and concerns.”
★★★★★“Great communication about our options and timeline. I would highly recommend their roofing services!”
★★★★★“I can’t say enough how good a job these guys did on my roof! I’m a hard man to please and I can’t find a single thing I dislike about the finish product or process of getting it done!”
Get a free roof inspection in Newcastle
No cost and no obligation. Daniel looks at the whole system and leaves you a written estimate to keep.