ADU Timing: Ask Before Altadena Plans Are Approved
LA County often requires sump pumps on Altadena rebuilds. Planning an ADU later? Extra engineering now can save $15,000 to $20,000 in pump costs.
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Drainage
Posts about drainage plans, sheet flow, area drains, trench drains, and rain gardens. Most of these are from Altadena rebuilds where the topography forces a real drainage design.
Skipping the Sump Pump and LID Covenant in Altadena
We recently got a drainage plan approved in Altadena without requiring a sump pump or a LID maintenance covenant. Here is the engineering behind why it worked.
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Canon Boulevard Grading Plan: Steep Altadena Hillside
A steep Altadena fire rebuild grading plan near the San Gabriels. We took over from another engineer to design cost-effective grading and drainage.
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Hillside Grading in Pacific Palisades Fire Rebuilds
Pacific Palisades rebuilds often need grading, excavation, erosion control, and sump pump plans. Basements add shoring from your structural engineer.
Read MoreAvoiding a Sump Pump on Your Altadena Fire Rebuild
Many Altadena fire rebuilds get told they need a sump pump. We show the site drains like it did pre-fire and skip the pump entirely.
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Brentwood Driveway Drainage
Looking at a new single family house with basement in Brentwood and the main constraint is keeping everything as level as possible while minimizing cut.
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Grading & Drainage Solutions for Altadena's Terrain
Altadena's flatter terrain brings different grading and drainage challenges than LA's steep hillside lots. Here's what works on these lots.
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Why Drainage Plans Matter on LA Hillside Homes
Los Angeles hillsides from Pacific Palisades to Beverly Hills bring views and slope challenges. Here's how drainage plans manage water on hillside lots.
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Hillside Grading and Drainage for Los Angeles Luxury Homes
Los Angeles hills from Bel Air to Malibu demand careful hillside grading and drainage. Here's what building on these slopes requires.
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Los Feliz Grading
A Los Feliz plan with a slight addition and ADU, tied into existing topography. Early look at the grading approach for this hillside-adjacent lot.
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