Kitchen bump-out and addition in Mountain View, CA

Kitchen bump-out and addition in Mountain View: Kitchen Remodel Mountain View matches you with licensed remodelers in Mountain View who do this work. When a kitchen has used all the space it has, the next step is outward. A bump-out pushes one wall a few feet; an addition creates a new room. Both change the outside of the house, so in Mountain View the Planning Division reviews the design before the building permit is submitted. Tell us about your project and up to 3 licensed remodelers who work in Mountain View will contact you with free, written estimates. Below are 4 things to know before you start, how permits work in Mountain View, and the questions homeowners ask most.

What are you remodeling?

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Long open kitchen and living space with a large island
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Sizing the project

A bump-out of a few feet can fit a longer counter, a pantry or a built-in bench. A full addition can relocate the kitchen and turn the old one into a dining area. Both need a foundation, framing and a roof tied into the house.

Zoning first

New floor area is checked against the zoning rules, such as setbacks from property lines. Contact the Planning Division at (650) 903-6306 early, since its answer shapes the design.

Building it to match

New exterior walls need insulation that meets California's energy code, and plumbing, gas and electrical are extended from the existing house. Matching roof slope, siding and windows keeps the addition from looking tacked on.

Construction terms

Footing: the concrete base that carries a wall. Cantilever: floor framing that extends past the foundation without new footings, sometimes possible for small bump-outs. Tie-in: where new roof or framing joins the old. Setback: the required distance from property lines. Floor area ratio: the cap on house size relative to the lot.

Permits in Mountain View

  • Mountain View requires a building permit, issued before construction starts, for any kitchen remodel that replaces the cabinets. Replacing countertops or refacing the existing cabinets does not need one.
  • Depending on the scope, separate electrical or plumbing permits may apply, and replacing a range hood that vents outdoors needs a mechanical permit. The application includes an 11-by-17-inch plan of the existing and proposed kitchen and an electrical load calculation.
  • If the remodel changes the outside of the house, the Planning Division reviews it before the building submittal. The City lists about 5 business days to receive a permit for a like-for-like replacement and 2 to 3 months for a renovation that removes walls.

City of Mountain View Building Division · 500 Castro Street, (650) 903-6313

Common questions

Does a kitchen bump-out need planning review in Mountain View?

A bump-out changes the exterior and adds floor area, so it goes to the Planning Division before the building permit submittal.

Is a cantilevered bump-out simpler?

It can avoid new footings for a small projection, but an engineer decides whether the floor framing can carry it.

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