Category · Buying Guide
Buying Guide guides.
Comparisons, decision frameworks, and the practical math of building an ADU.
40 guides
Buying Guide
Backyard Office ADU: Working From Home in Your Own Yard
A backyard office ADU gives you a quiet, permitted workspace steps from your door. See real models, costs, and California rules so you can work from home in peace.
October 5, 2026 · 10 min
Buying Guide
Average ADU ROI in California (2026): What to Expect
Average ADU ROI in California in 2026 comes from two returns at once: monthly rental yield plus immediate equity. Here is how to run the real numbers for your lot.
October 4, 2026 · 8 min
Buying Guide
ADU vs Buying a Rental Property: Which Builds More Wealth?
ADU vs rental property: see which builds more wealth for a California homeowner once you compare down payment, leverage, management, appreciation, and land cost.
October 3, 2026 · 11 min
Buying Guide
ADU vs Tiny Home: Which Is Right for Your Property?
ADU vs tiny home compared honestly: which adds appraised value, which is financeable, and which California zoning actually allows on your lot.
October 3, 2026 · 8 min
Buying Guide
What Size ADU Fits a 5,000 Sq Ft Lot?
On a typical 5,000 sq ft lot, most Framework First ADU models fit once you account for the house footprint and setbacks. See the math and which sizes work.
October 2, 2026 · 8 min
Buying Guide
What Is an Efficiency Kitchen (JADU)?
An efficiency kitchen is the smaller cooking setup California law allows inside a Junior ADU, a cooktop, small fridge, and prep counter rather than a full range. Here's how it differs from a standard ADU kitchen.
October 1, 2026 · 6 min
Buying Guide
How to Be a First-Time ADU Landlord
A practical, plain-English starting point for renting out your ADU: screening tenants, setting fair rent, using a real lease, and handling basic landlord responsibilities.
September 20, 2026 · 7 min
Buying Guide
How Long Do Prefab ADUs Last?
A well-built prefab ADU is built to last as long as any other permanent, code-compliant home. Here's what actually determines an ADU's lifespan.
September 19, 2026 · 5 min
Buying Guide
Do ADUs Need a Kitchen?
Yes, a standard ADU needs a full kitchen to legally function as an independent dwelling unit. Here's how that differs from a JADU's smaller efficiency kitchen.
September 13, 2026 · 5 min
Buying Guide
Can I Convert My Shed Into an ADU?
Yes, in many cases an existing shed or accessory structure can become an ADU under California's conversion rules, but code-compliant conversion is usually a near-total rebuild, not a simple upgrade.
September 10, 2026 · 6 min
Buying Guide
Can an ADU Have a Garage?
Yes, an ADU can include a garage, but California's ADU parking exemptions mean most homeowners don't need one. Here's how the tradeoff actually works.
September 7, 2026 · 5 min
Buying Guide
Best ADU for a Small Lot: Which Model Wins
Not every backyard has room for a big footprint. See which Framework First models fit the tightest lots, ranked by actual footprint dimensions.
September 5, 2026 · 7 min
Buying Guide
Best Two-Bedroom ADU: Which Model Wins
Framework First builds six different two-bedroom ADU configurations. See how they compare on size, price, and layout to find the right fit.
September 5, 2026 · 7 min
Buying Guide
Best ADU for Multigenerational Living: Which Model Wins
Multigenerational households need more than one bedroom and real separation. See which Framework First models fit two households best, priced and specced.
September 4, 2026 · 7 min
Buying Guide
Best ADU for Rental Income: Which Model Wins
The Six Sixty 2BR is our top pick for rental income: two bedrooms in a 660 sq ft footprint. See how it compares to our other strong rental layouts, priced and specced.
September 4, 2026 · 8 min
Buying Guide
Best ADU for First-Time Investors: Which Model Wins
First-time ADU investors want the strongest return for the least risk. See which Framework First model gives the best rent-to-cost ratio to start with.
September 3, 2026 · 7 min
Buying Guide
Best Guest House ADU: Which Model Wins
A guest house ADU should feel generous without being oversized. See which Framework First model is the best fit for hosting family and friends.
September 3, 2026 · 8 min
Buying Guide
Best ADU for Aging in Place: Which Model Wins
Aging in place means single-level living with no stairs and everything within easy reach. See which Framework First model fits best.
September 2, 2026 · 7 min
Buying Guide
Best ADU for Aging Parents: Which Model Wins
Which Framework First model fits an aging parent best: single-story living, easy layout, privacy for two households. Top picks, priced and specced.
September 2, 2026 · 8 min
Buying Guide
Best ADU for a Home Office: Which Model Wins
A backyard office ADU should be efficient, quiet, and affordable, not a full second home. See which compact model fits best as a home office.
September 1, 2026 · 8 min
Buying Guide
Best ADU for Adult Children: Which Model Wins
An ADU for a grown child needs independence: their own kitchen, their own door, and room to actually live. See the top Framework First picks.
September 1, 2026 · 8 min
Buying Guide
Are Prefab ADUs Good Quality?
Prefab ADU quality depends on the builder, not the method. Here's what actually determines whether a factory-built ADU holds up, and what to check before you buy.
August 31, 2026 · 5 min
Buying Guide
ADU Rental Agreement Basics in California
Yes, an ADU rental needs a written lease, and California's standard landlord-tenant laws apply. Here's what to cover and why improvising a lease is a bad idea.
August 29, 2026 · 6 min
Buying Guide
ADU Insurance: What Changes When You Build One
Building an ADU adds insurable value to your property, which means your homeowner's policy usually needs an update, and a rented ADU may need landlord coverage. Here's what to expect.
August 27, 2026 · 6 min
Buying Guide
Prefab vs. Site-Built ADU: Which Is Right for You?
An honest comparison of prefab/modular ADUs versus site-built construction, cost, timeline, quality, and disruption, so you can choose the right path for your property.
August 24, 2026 · 4 min
Buying Guide
An ADU for Your Adult Children: A California Guide
An ADU for adult children keeps your kids close and housed for $199,000 to $599,000, permitting budget included. See which models fit, real costs, and how to pay for it.
August 23, 2026 · 8 min
Buying Guide
Building an ADU for Rental Income in California (2026)
Building an ADU for rental income in California? See which models rent best, our all-in pricing with the permitting budget included, and how to run the ROI numbers before you build.
August 23, 2026 · 9 min
Buying Guide
ADU vs Home Addition: Which Adds More Space, Value, and Income?
Side-by-side comparison of ADUs vs home additions in California, costs, build times, rental potential, property value impact, and a decision framework for which is right for your goal.
August 23, 2026 · 8 min
Buying Guide
Can an ADU Be Built Over a Garage?
Yes, in many California cities you can build an ADU above an existing or new garage. Here's how it works, what it usually requires, and how it differs from a single-story factory-built ADU.
August 23, 2026 · 6 min
Buying Guide
What Is a Detached ADU?
A detached ADU is a freestanding, separate home built on the same lot as your house. Here's exactly what makes it different from an attached ADU or a JADU.
August 23, 2026 · 5 min
Buying Guide
What Is a Prefab ADU?
A prefab ADU is built largely off-site in a factory, then transported and installed on a permanent foundation. Here's exactly what that means, and how it differs from a manufactured home.
August 23, 2026 · 5 min
Buying Guide
What Is an Attached ADU?
An attached ADU shares a wall or is directly connected to the main house, unlike a detached ADU or a JADU. Here's how it works, its height allowance, and the trade-offs.
August 23, 2026 · 6 min
Buying Guide
Prefab vs Modular vs Manufactured Homes: The Real Difference
Prefab vs modular vs manufactured: modular is built to the same local code as a site-built home, manufactured to a federal HUD standard. Here is the real difference.
August 22, 2026 · 8 min
Buying Guide
The 6 Types of ADUs in California, Explained
Detached, attached, JADU, garage conversion, above-garage, and basement conversion. What each type of ADU actually is, real cost and complexity tradeoffs, and which one fits your lot.
August 19, 2026 · 10 min
Buying Guide
What Is an ADU? The Complete 2026 Guide
An ADU is a secondary, independent home on a single-family lot, with its own kitchen, bath, and entrance. What one actually is, the California laws behind it, the types, typical size and cost, and how Framework First builds them.
August 19, 2026 · 14 min
Buying Guide
Building an ADU for Aging Parents in California (A Practical Guide)
How to plan, design, and finance an ADU for aging parents in California, accessibility features, layout choices, financing options, and the conversations to have before you build.
May 29, 2026 · 9 min
Buying Guide
California ADU Rental Laws (2026): What You Can and Can't Do
California ADU rental laws explained in plain English, minimum lease lengths, short-term rental rules, owner-occupancy, tenant protections, AB-1033 condo-ize-and-sell, and the city-level details to verify.
May 29, 2026 · 10 min
Buying Guide
ADUs and Property Taxes in California: What to Expect
How building an ADU affects your California property taxes, why your whole home isn't reassessed, how the 'blended' assessment works, and what it means for your bill.
May 26, 2026 · 3 min
Buying Guide
Best ADU Builders in California (2026): An Honest Comparison
A fair, no-spin comparison of California ADU builders in 2026, Framework First, Abodu, Samara, Villa Homes, and local contractors, on price, timeline, transparency, and who each is best for.
May 26, 2026 · 4 min
Buying Guide
JADU vs. ADU: What's the Difference? (California)
A clear comparison of a Junior ADU (JADU) and a standard ADU in California, size limits, kitchens, owner-occupancy, cost, and which one is right for your goal.
May 26, 2026 · 3 min
Other Categories
Pricing
What an ADU actually costs, how the price is built up, and where the money goes.
Financing
HELOC, construction loans, cash-out refi, and how to fund an ADU without a $300K bank account.
Permits
California ADU law, city-by-city permit timelines, and what blocks an ADU build.
Process
Build quality, factory vs site-built, eligibility, and what to expect at each step.
Local Guides
City-by-city permit processes, timelines, and rules across our service area, cited to official sources.
Comparisons
Model-by-model and option-by-option comparisons to help you choose with confidence.
Ready For The Real Numbers?
Let's see what these guides mean for your lot.
Reading is great. Knowing what's actually possible on your specific property is better. Tell us a bit about it below, and a real person on our team will follow up, free, no pressure.
- A shortlist of which models actually fit your lot
- Honest flags on anything property-specific, like slope or septic
- A clear next step, whether that is a factory tour or a feasibility study
- No pressure, and no obligation
Building more than one? If you're a real estate developer or investor planning multiple units, let us know in the form. We offer better pricing at volume.
“My first telephone conversation with Cathy (Owner) was one of the best, positive and kind discussions. She was thinking outside of the box and provided a possible solution like a family member. Thank you.”
Vijay Kumar
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