West Portal · San Francisco

Home Addition in West Portal

Refresh & Build is a licensed San Francisco contractor specializing in home addition projects in West Portal. West Portal's family-friendly atmosphere and well-maintained housing stock make it one of San Francisco's most active renovation markets.

Home Addition in West Portal

West Portal's family-friendly atmosphere and well-maintained housing stock make it one of San Francisco's most active renovation markets. Refresh & Build has completed numerous kitchen, bathroom, and addition projects in West Portal — delivering the quality and reliability this community expects.

Neighborhood Housing Stock

1920s–1940s stucco homes, bungalows, and craftsman houses; well-maintained with significant renovation potential

Permit Notes for West Portal

Standard SF DBI permit process. West Portal's quiet residential character means good site access and minimal construction logistics challenges.

What's Included

  • Room additions and bump-out additions
  • Second-story and vertical additions
  • ADU (Accessory Dwelling Unit) construction
  • Garage-to-living-space conversions
  • Foundation work and structural engineering
  • Full architectural and design coordination
  • SF DBI and Planning permit management

Typical Cost Range

$150,000–$500,000+

Free itemized quotes — no obligation

Home Addition in West Portal — FAQ

How much does a home addition cost in West Portal?

Home Addition costs in West Portal typically fall within our San Francisco range of $150,000–$500,000+. 1920s–1940s stucco homes, bungalows, and craftsman houses; well-maintained with significant renovation potential can influence project complexity and cost. We provide free, detailed estimates after a site visit.

Do I need a permit for a home addition in West Portal?

Yes — SF DBI permits are required for most home addition work in West Portal. Standard SF DBI permit process. West Portal's quiet residential character means good site access and minimal construction logistics challenges. Refresh & Build handles all permit applications and inspections on your behalf.

What is an ADU and how much does one cost in San Francisco?

An ADU (Accessory Dwelling Unit) is a secondary housing unit on your property — it can be a garage conversion, basement unit, or new detached structure. ADUs in San Francisco cost $80,000–$200,000 and can generate significant rental income to offset your mortgage.

How long does a home addition take in San Francisco?

Home additions typically take 4–9 months from start to finish. SF Planning and permit approval can take 3–6 months for complex additions. We help expedite the approval process and begin site prep work in parallel.

Home Addition in Nearby Neighborhoods

Other Services in West Portal

Ready for Your Home Addition in West Portal?

Get a free, no-obligation consultation. We'll visit your West Portal home, assess the project, and provide a detailed quote.