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Diagnostic, licensing, and cost guides written for homeowners.

Building an ADU?

Your ADU rights in California: approval deadlines, down payment caps, and who you actually have to hire. Every claim cited to the statute. →

Licensing & Regulatory

1 min read

How long does an ADU permit take in Los Angeles?

The 60-day rule you'll read about, the 4 to 5 months the permit records actually show, and why both numbers are true at once.

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Licensing & Regulatory

1 min read

Does a new ADU need solar panels in California?

The energy-code rule, verified against the California Energy Commission's own guidance: detached new builds yes, conversions and attached units no.

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Cost

1 min read

How much rent can an ADU earn in the San Fernando Valley?

HUD's fair-market rents for the Valley, city by city: roughly $1,960 for a studio, $2,190 for a one-bedroom, $2,730 for a two-bedroom, and what those numbers do and don't mean.

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Cost

1 min read

The ADU costs that don't show up in the first bid

Utility upgrades, landscaping repair, solar on detached builds, impact and school fees: the items that turn a clean quote into an expensive surprise, and the fee waivers state law gives you.

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Cost

2 min read

How to compare ADU builders before you sign

Three things to look for on a live job site, three to grade if you can't visit one, and the one price that should make you walk away.

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Licensing & Regulatory

1 min read

How do I know if an electrician is licensed in California?

What C-10 licensing actually means and how to verify a contractor's license yourself in under two minutes.

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Cost

1 min read

What should a roof inspection cost?

Typical price ranges for a standalone roof inspection, and when it should be free.

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Diagnostic

1 min read

Why is my AC blowing warm air?

The most common causes, from a dirty filter to a failing compressor, and which ones you can check yourself.

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Cost

1 min read

What should a water heater replacement cost?

Typical price ranges for tank and tankless replacements, and what drives the cost up or down.

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Licensing & Regulatory

1 min read

Do I need a permit for an electrical panel upgrade?

Yes, almost always — here's what that actually involves and why skipping it is a real risk.

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Diagnostic

1 min read

Why does my drain keep clogging, even after I clear it?

The difference between a surface clog and a deeper line problem, and when to call a plumber with a camera.

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Licensing & Regulatory

1 min read

Do I need fire sprinklers in my ADU?

The most repeated piece of bad advice in LA ADU planning, and what California law actually says about sprinklers, fire zones, and brush clearance.

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Licensing & Regulatory

1 min read

Building an ADU in a historic zone (HPOZ): what actually changes

A Historic Preservation Overlay Zone is not a wall, but it reorders your first moves and changes who you should hire first.

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Cost

1 min read

The three hidden conditions in pre-1965 homes that blow up ADU budgets

Sewer laterals, electrical panels, and garage foundations: what mid-century SFV homes hide, and the cheap inspections that find it before the trench is open.

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Licensing & Regulatory

1 min read

Building an ADU on a hillside lot: what to expect

Hillside parcels can absolutely hold ADUs, but the engineering starts earlier, the reviews run deeper, and the foundation line item is real.

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