Home Addition Cost in the Bay Area: Real Numbers for 2026

If you are trying to figure out home addition cost in the Bay Area, the numbers are higher than most people expect. Home addition cost in the Bay Area typically runs between $500 and $650 per square foot in 2026. That is the reality of building in one of the most expensive construction markets in […]
How Much Does a Bathroom Remodel Cost in Sacramento? (2026 Guide)

Real bathroom remodel cost breakdowns for Sacramento in 2026 — by scope, finish level, and what actually moves the price up or down.
Kitchen Remodel Cost in Sacramento vs. the Bay Area: Real Numbers from a Contractor (2026)

Real cost breakdowns for kitchen remodels in Sacramento and the Bay Area — labor, permits, cabinets, appliances, and what actually blows budgets. No fluff, just what a contractor actually sees on bids.
How Much Does a Kitchen Remodel Cost in Sacramento? (2026 Guide)

The real cost breakdown for a kitchen remodel in Sacramento in 2026 — cabinets, countertops, appliances, labor, and what actually blows up budgets. Real numbers, no fluff.
How Much Does an ADU Cost in Sacramento vs. the Bay Area? (2026 Guide)

I get this question almost every week. Someone calls, tells me they want to build a backyard cottage or convert their garage, and the first thing they ask is: “How much is this going to cost me?” Honest answer? It depends — but I can give you real numbers, not the vague ranges you find […]
Air Sealing Explained: What It Is, Why It Matters More Than Insulation, and How We Detail It in the Field

Welcome to the Hand + Hammer Building Science Blog — your weekly deep dive into how air sealing contractor work actually shapes high-performance homes. Real knowledge, no fluff, straight from the field. If you’ve spent any time researching home energy efficiency, you’ve heard the word “insulation” a hundred times. Insulation gets the headlines, the marketing […]
Insulation Explained: Spray Foam, Mineral Wool, and Fiberglass Batts — What’s the Difference and Which One Do You Actually Need?

Welcome to the Hand + Hammer Building Science Blog — your weekly deep dive into insulation types, building science, and the smarter way to build. Real knowledge, no fluff, straight from the field. If you’ve ever gotten a bid for a remodel or new construction project and seen “insulation types” listed as a single line […]