ODL Construction

Los Altos, California

Home Additions in Los Altos

Room additions, primary suites, and second stories that look original to the home.

Looking for home additions in Los Altos? ODL Construction is a licensed Bay Area general contractor serving Los Altos and the surrounding Silicon Valley — from Old Los Altos, North Los Altos, South Los Altos and beyond. Room additions, primary suites, and second stories that look original to the home.

In a market where moving up costs hundreds of thousands in transaction costs and a bigger mortgage, adding on is often the smarter play — especially in top-school neighborhoods where the right addition returns more than a relocation. The key is an addition that looks like it was always there, not bolted on.

For Los Altos specifically, it comes down to local realities: Los Altos's large lots and high resale ceiling make whole-home remodels and rebuilds common — the budget supports doing it right, and design review expects exactly that. Los Altos applies design review and floor-area and setback standards on larger projects; the city expects polished, complete submittals. We design and permit your home additions around exactly those conditions.

Home Additions in Los Altos — what we handle

  • Room and bedroom additions
  • Primary-suite additions
  • Second-story additions
  • Bump-outs and rear extensions
  • Structural engineering and foundation work
  • Roofline and exterior matching
  • Zoning, setback, and design-review compliance
  • Permits and inspections

Home Additions cost

Single-room addition$100,000 – $200,000
Primary-suite addition$150,000 – $300,000
Second-story addition$300,000 – $600,000+

Typical Bay Area ranges, not a quote. Additions price by square footage, structural complexity, and foundation work. Second stories cost more because the floor below must be reinforced. You get a fixed proposal after design.

Timeline

Room additions typically run 3–5 months; second stories 5–9 months, including design, engineering, and permitting.

Los Altos permits

Los Altos applies design review and floor-area and setback standards on larger projects; the city expects polished, complete submittals.

Licensed & Accountable

One licensed team that stands behind the whole project

ODL Construction is a licensed and insured Bay Area general contractor. 35 years building in the Bay Area, We design, permit, and build under one roof — one contract, one schedule, one accountable party from first sketch to final walkthrough. Our license is California Licensed Contractor — CSLB #1154902.

  • Licensed & insured
  • Design–build under one roof
  • Permits & inspections handled
  • Serving all four Bay Area counties
ODL Construction

Free Consultation

(408) 418-9277

CSLB #1154902

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Home Additions in Los Altos — FAQs

Do you offer home additions in Los Altos?

Yes — Los Altos is part of our core Santa Clara County service area. We handle home additions for Los Altos homeowners end to end, including the city's permitting.

How do Los Altos's permit rules affect my home additions?

Los Altos applies design review and floor-area and setback standards on larger projects; the city expects polished, complete submittals. We scope your Los Altos permit timeline up front so your schedule is realistic, and we manage drawings, applications, and inspections for you.

Is it cheaper to add on or to move?

Often adding on wins — when you factor in agent commissions, transfer taxes, a higher mortgage rate, and the school-area premium you'd pay elsewhere, building bedrooms onto the home you own frequently costs less and builds equity. We'll help you compare.

Can I add a second story to my home?

Sometimes — it depends on your city's zoning and whether your neighborhood has a single-story overlay (common in some Sunnyvale and Palo Alto Eichler tracts). We check first and design a ground-floor or detached alternative if a second story isn't allowed.

Start your project

Get a free home additions quote in Los Altos

Tell us about your project and we'll arrange a complimentary consultation across the Bay Area. Or call (408) 418-9277 to speak with us directly.

(408) 418-9277

35 years of experience · Licensed & insured · Design–build

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