Dry-Laid or Mortared — What It Means in the City
The same flagstone can go down two ways. The City treats them identically for the building permit; the differences show up in drainage, rebates and repairs.
Dry-Laid or Mortared — What It Means in the City | Dry-laid (sand or gravel joints) | Mortared on a slab |
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| City building permit at grade | Exempt to 30 in | Exempt to 30 in |
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| Lawn-replacement rebate | Can count as permeable | Does not qualify |
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| Rainwater | Soaks through the joints | Runs off — needs slope and drains |
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| Tree roots or settlement | Lift and relay the stones | Saw-cut and patch |
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| Best for | Garden patios, paths, paver driveways | Formal terraces, pool decks with tight joints |
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Rebate eligibility depends on the program in force when you apply; we check it before design. Pool decks are usually mortared or set on a slab around the coping.
Plan Your City of San Diego Patio or Pool Deck
One visit sorts the permit questions, the slope and the material. Shaun quotes it himself — call or send a few photos.
(619) 581-2492