Santa Clara County · California

Remodeling in Los Altos

Los Altos homeowners value craftsmanship, generous lots, and a village feel — and expect a remodel to match.

Homes we see in Los Altos

Mid-century ranch homes on large lots, custom contemporary homes, and classic two-story traditionals.

  • North Los Altos
  • South Los Altos
  • Country Club
  • Loyola Corners

Popular projects in Los Altos

Also available in Los Altos: Kitchen & Bath Remodeling, Structural Wall Removal & Open Concept, Eichler & Mid-Century Modern Remodeling, ADUs & Detached Cottages.

Zoning in Los Altos: what shapes a project

Building envelope
Floor area, setbacks, and lot coverage typically shape the addition envelope; confirm the parcel's district and constraints.
One-story design
Single-story proposals may require design review, not just larger two-story projects.
Second stories
Upper-floor massing and window placement may receive scrutiny for neighborhood compatibility and privacy.
Existing development
Older nonconforming structures may affect expansion options; confirm how the city treats retained walls and proposed additions.

Review boards & approval paths

  • Single-family design review

    This process may assess one- and two-story residential proposals for compatibility.

  • Design Review Commission

    The commission may consider single-family design applications under the city's applicable review procedures.

Los Altos project considerations

  • Compare a broad single-story addition with an upper-floor option in ranch-home neighborhoods.
  • Use neighboring rooflines and setbacks to test compatibility early.
  • Survey existing structures before assuming an older home's footprint can be extended.

Los Altos permitting FAQ

Does a one-story addition in Los Altos need design review?

A one-story addition in Los Altos may need design review; keeping the project on one level does not automatically exempt it. The extent of work and applicable residential review procedures determine the path. Develop a clear site plan and exterior concept before preparing a complete permit set. Confirm the appropriate application with city planning staff.

How is privacy reviewed for a Los Altos second story?

Privacy may be considered through upper-floor window placement, building massing, and the relationship to neighboring outdoor spaces. A compliant setback alone may not resolve design-review concerns. Study sightlines while the layout is still flexible, rather than treating screening as a late addition. Ask Los Altos which drawings and privacy information the application should include.

Can I extend an existing wall inside a Los Altos setback?

Not necessarily; an existing wall within a required setback does not automatically authorize an extension along the same line. The city may distinguish between retaining lawful existing construction and creating new nonconforming area. A survey and permit history can help establish the starting conditions. Confirm the proposed treatment with Los Altos before designing around that wall.

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