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ADU Intelligence

Data-driven articles for San Diego homeowners thinking about ADUs. Just the numbers.

San Diego home with a detached ADU in the rear yard, representing ADU financing options

April 24, 2026 · 11 min read

ADU Financing in San Diego: 5 Paths That Work in 2026

One San Diego loan prices at 4% fixed. The default HELOC prices at 8.5%. On a $250K ADU, that choice costs $48K. Five 2026 paths, side by side.

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Southern California house with palm trees, representing San Diego ADU neighborhoods

April 12, 2026 · 9 min read

7 Best San Diego ADU Neighborhoods: 2026 Permit Data

Where are San Diego homeowners actually filing ADU permits in 2026? Live city data, YoY growth by neighborhood, rent bands, and blunt takes on each top market.

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San Diego residential street with garage, illustrating ADU conversion potential

April 12, 2026 · 10 min read

ADU Garage Conversion vs. Detached: San Diego Cost Guide

Garage conversion vs detached ADU in San Diego: real $/sqft ranges, payoff timelines, and when each path wins. Side-by-side costs for 2026.

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