HomeWiP Blog

ADU tips & guides

Practical advice on planning, budgeting, and building a backyard home — from first idea to final permit.

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Two Story Prefab Homes- Smart Move, New Floor Plans

Explore two-story prefab homes: faster builds, lower costs, energy efficiency, and modular floor plans that maximize space on a smaller footprint.

One-bedroom modular ADU lifted by a crane during installation

Blog

Latest articles

Guides on costs, permits, financing, and floor plans — plus stories from real ADU builds.

One-bedroom modular ADU lifted by a crane during installation

Two Story Prefab Homes- Smart Move, New Floor Plans

Explore two-story prefab homes: faster builds, lower costs, energy efficiency, and modular floor plans that maximize space on a smaller footprint.

image of a door frame on a meadow to symbolize an unpermitted unit
ADU

How to Prove Your Unpermitted ADU Existed Before 2020 (AB 2533 Evidence Guide)

California's AB 2533 lets you legalize a pre-2020 unpermitted ADU, but the burden of proof is on you. Here's exactly where to look.

black color shower set
Home Design

Shower Systems: Complete Guide to Choosing the Right Setup for Your Bathroom

Compare shower systems — conventional, digital, thermostatic, power, plus components and installation. Find what fits your bathroom and pressure.

how big is 1000 square feet
ADU

How big is 1000 square feet? Prepare to Be Surprised.

See exactly how big 1000 square feet (1000 sq ft) really is, room by room, with dimensions, comparisons, and ADU floor plan ideas to match.

Basement apartment with a kitchen
Home Design

Convert Smarter, Spend Less: Turning Your Basement or Attic Into Sustainable Living Space

Convert your basement or attic into legally habitable space while locking in an energy retrofit. Stack rebates, cut bills, add value.

ADU construction
ADU

ADU Construction: A Complete Step-by-Step Guide to Building an Accessory Dwelling Unit

A complete step-by-step guide to ADU construction, from first consultation and permits to costs, build stages, and final move-in day.

Compact two-bedroom one-bathroom house with a clean modern exterior
Home Design

Two-Bedroom House Plans: Smart Designs for Comfortable, Affordable Living

Two-bedroom house plans balance comfort, efficiency, and affordability — perfect for starter homes, downsizing, or ADU rental units.

3 bedroom tiny house
Home Design

3 Bedroom Tiny House Plans: Smart Designs and Floor Layouts for Small Space Living

Explore 3-bedroom tiny house plans under 1,200 sq ft: loft bedrooms, clever storage, and flexible layouts for comfortable family living.

ADU floor plan illustration by Home WiP
ADU

ADU Plan: Your Complete Guide to a Ready-to-Permit Floor Plan

Everything you need to choose an ADU plan, from 200 to 1,000 sq ft ready-to-permit floor plans to design tips and the permitting process.

Worst construction fails
Construction Management

Worst Construction Fails: Shocking Building Mistakes & Lessons Learned

Shocking construction fails from around the world, and the practical lessons every homeowner and builder can take from these costly mistakes.