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Insights
Practical guides on California rental law, ADU development, and SGV market intelligence — written for owners, investors, and builders.
Will My ADU Be Subject to LA's Rent Stabilization Ordinance?
Adding an ADU to your single-family property in Los Angeles changes more than your parcel count — it can bring the entire property under rent control. Here's how the RSO applies and what to consider before you build.
Read articleConstruction 101: What It Takes to Build in the San Gabriel Valley
Most of the money on a residential project is made or lost before construction starts. Seven phases, six rules that are easy to state and easy to violate, and the fork every SGV owner faces before they know they're facing it.
Read articleBefore You Buy the Lot: A San Gabriel Valley Due Diligence Checklist
Thirteen things to verify before you close on a lot — topography, fire access, utilities, zoning, title, survey, geotech, and environmental — with what breaks a deal and what it costs to find out.
Read articleWhat It Costs to Build in the San Gabriel Valley (2026)
A real 2018 baseline, escalated by a published cost index instead of a re-quoted survey — so you can check the math rather than trust it. Plus the trade-by-trade line items behind the per-square-foot number, and the three questions to ask before any cost figure means anything.
Read articleWho You Actually Need to Hire: The Consultant Team for a Small SGV Project
Five to ten consultants, hired in roughly this order, with what each one actually delivers and how long they take. Evaluated on two questions that matter more than any résumé. Historical Southern California fee ranges included as anchors — always get current quotes.
Read articleWriting the Program and Reviewing the Design: What to Nail Down Before You Build
Two checkpoints decide whether a house is buildable, permittable, and sellable before anyone pours a foundation: the brief you hand your architect, and what you do with the drawings they hand back. Both are cheap to get right and expensive to skip.
Read articleADU or Ground-Up? The Two Timelines, Side by Side
An ADU and a ground-up project pour the same concrete, but one takes about six months and the other takes two to three-and-a-half years. The entire gap is entitlement — a legal category the state took away from cities. Here's the difference, path by path.
Read articleBuilding on a Hillside Lot in the San Gabriel Valley: What the Slope Actually Costs
A per-square-foot number is the wrong tool on a hillside, because the cost isn't in the building — it's in everything under and around it. Retaining walls, caissons, fire access, drainage, and the geology report that decides all of it.
Read articleProp 19: Why Inheriting the Family House in the SGV Can Mean a New Tax Bill
Since 2021, a parent-to-child home transfer only keeps the old, lower property tax bill if the child actually moves in — and rental or vacation property loses the break entirely. Here's what changed and what didn't.
Read articleSB 9 Lets an SGV Single-Family Lot Become Four Units — What the Law Actually Requires
SB 9 allows a duplex and a lot split on most single-family parcels without a hearing, and a 2024 cleanup bill (SB 450) closed the loopholes cities used to slow it down. Here's what a single-family owner can actually do with it today.
Read articleAB 130 Froze Residential Building Codes Through 2031 — Except in the SGV Foothills
A 2025 state budget bill locked residential building standards statewide through mid-2031 and fast-tracked CEQA review for qualifying infill — but wildfire hardening rules are the one layer SGV foothill cities can still set on their own.
Read articleMeasure ULA's 'Mansion Tax' Doesn't Reach the SGV — Here's What That's Worth
Los Angeles's Measure ULA adds up to 5.5% on a home sale over $5.4 million — but only inside LA city limits. No SGV city is subject to it. On a multimillion-dollar sale, that boundary is worth a quarter million dollars.
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