Share the address and idea
We start with what you want to change, the property location and any drawings or photos already available.
Grizzly helps Kenmore homeowners start an addition or detached structure on concrete work that matches the drawings and site conditions. Kenmore has valuable mid-century homes, wooded lots and lake-area properties where additions, ADUs and well-planned outdoor construction are in demand.

Steep slopes, trees, drainage and tight access can be significant, especially closer to Lake Washington and the Sammamish River corridor.
Excavation limits, soils, drainage, reinforcement, anchor details and inspection sequencing all need to line up before the structure rises.
Critical areas, tree rules, lot coverage and shoreline context should be checked before fixing the size or location of new work.
Always confirm current rules for the specific parcel and scope. This page is general project guidance, not a permit determination.
Real project images selected for this kind of work.



We start with what you want to change, the property location and any drawings or photos already available.
Access, grade, drainage, utilities, permitting and structural tie-ins are brought into the conversation early.
The scope and sequence get clearer before materials arrive and the work becomes disruptive.
Yes. Kenmore is within Grizzly’s selected service area, subject to project fit, travel time and current scheduling. The first step is sharing the property address and a short project description.
Critical areas, tree rules, lot coverage and shoreline context should be checked before fixing the size or location of new work. Excavation limits, soils, drainage, reinforcement, anchor details and inspection sequencing all need to line up before the structure rises.
City of Kenmore Development Services is the planning starting point listed for this area. The correct authority and permit type still depend on the parcel and the exact scope.
Steep slopes, trees, drainage and tight access can be significant, especially closer to Lake Washington and the Sammamish River corridor.
Ready to build? Share the basics and we’ll start with a clear, straightforward conversation.