Monthly Archives: March 2026

Home Additions in San Diego 2026: Cost Per Square Foot, Best Areas & Why Expanding Your Home Is the Smartest Investment

By |2026-05-29T16:42:57-07:00March 27th, 2026|ADU News|

Room additions in San Diego cost $250–$500+ per square foot in 2026. Here's what drives pricing, which neighborhoods get the best ROI, and why expanding beats moving in today's market.

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