Garage ADU Cost in California 2026 (Conversion Guide)
California garage ADU conversions cost $60,000–$150,000 in 2026. See attached vs detached costs, permits, SB 9 rules, and per-sq-ft budgets by region.
12 min read →Realistic US price ranges with component breakdowns, regional factors, and money-saving strategies. Start with bathroom or kitchen, then explore decks, roofs, and more.
Also see: tool reviews, free calculators, and the full site map.
California garage ADU conversions cost $60,000–$150,000 in 2026. See attached vs detached costs, permits, SB 9 rules, and per-sq-ft budgets by region.
12 min read →A small bathroom remodel costs $4,500–$15,000 in 2026. See 5×8 budgets, powder room prices, DIY vs pro splits, and where tiny baths waste money.
11 min read →Adding a bathroom in a finished basement costs $8,000–$25,000 in 2026. See plumbing, egress, and fixture costs for half-baths and full baths below grade.
11 min read →Drywall installation costs $1.50–$3.50 per sq ft in 2026 — $40–$90 per sheet installed. See hanging, taping, finishing levels, and room totals.
11 min read →A new HVAC system costs $5,000–$12,000 in 2026 for most homes. See central AC, furnace, and heat pump prices by tonnage, SEER2 rating, and install complexity.
12 min read →Tile installation costs $8–$25 per sq ft in 2026 for floors and walls. See ceramic, porcelain, and natural stone prices plus labor for bathroom and kitchen.
12 min read →Replacing a water heater costs $900–$2,500 in 2026 for tank models and $2,500–$5,500 for tankless. See 40/50/80-gallon prices, install labor, and fuel types.
11 min read →Replacing all windows on a 2,000 sq ft home costs $8,000–$20,000 in 2026. See vinyl, wood, and fiberglass prices per window plus labor and energy savings.
12 min read →Painting a house exterior costs $2,500–$8,000 for a typical 2,000 sq ft home in 2026 ($1.50–$4.50 per sq ft). See costs by siding type and stories.
10 min read →Quartz countertops cost $50–$120 per sq ft installed in 2026 — $2,500–$6,000 for a typical kitchen. See slab tiers, edge profiles, and cutout fees.
10 min read →Replacing a roof on a 2,000 sq ft house costs $8,000–$16,000 in 2026 for asphalt shingles. See costs for metal, tile, and tear-off vs overlay.
11 min read →Laminate flooring costs $3–$8 per sq ft installed in 2026 — $1,500–$4,000 for a 500 sq ft room. See material tiers, underlayment, and removal costs.
10 min read →Finishing an attic costs $50–$150 per sq ft in 2026 — $40,000–$80,000 for a typical 500 sq ft conversion. See dormer, stair, and insulation costs.
11 min read →A whole house renovation costs $100,000–$300,000+ in 2026 for a typical 2,000 sq ft home. See gut vs cosmetic tiers and room-by-room splits.
13 min read →Converting a garage to living space costs $10,000–$40,000 in 2026. See costs for ADU conversions, home offices, and attached vs detached garages.
11 min read →Finishing a basement costs $15–$35 per sq ft in 2026 — $15,000–$35,000 for a typical 1,000 sq ft space. See low, mid, and luxury tiers.
12 min read →Fence installation costs $1,500–$6,500 for a typical backyard in 2026. See per-linear-foot pricing for wood, vinyl, chain link, and aluminum.
10 min read →Building a new deck costs $4,000–$16,000 in 2026 for most US homes. See per-sq-ft pricing for wood, composite, and multi-level designs.
11 min read →Kitchen remodels in 2026 average $14,000–$45,000. Compare minor updates, mid-range renovations, and luxury gut jobs with a full cost breakdown.
14 min read →A typical US bathroom remodel costs $6,500–$18,000 in 2026. See low, mid, and luxury budgets by scope, plus DIY vs pro labor splits.
12 min read →