My friend asked me if he needs a permit to erect an AG pool. I am sure it varies by jurisdiction but I have no clue. Anyone?
Usually, yes a permit is required unless it's less than 24" tall and no structural frame such as a small blow up pool. In any case it's best to check with the local authority.
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Procedure for Obtaining Swimming Pool Permits
Also, if the property is covered by a homeowners association, they might have rules that cover such things.
100% Depends on the municipality. Some places would let you build a castle without batting an eye, others want a permit if you are putting a new mailbox in.
28k IG gunnite/diamond brite pool built May 2015, K2006 test kit w/ SpeedStir & Salt
AquaCal Autopilot Digital Salt Chlorine Generator
Pentair STA-RITE DE Filter
Pentair Intellipro VS main pump/ MAX-E-PRO waterfall pump
Pentair UltraTemp Heat Pump
We don't require permits for anything where I'm located. You could build a space port and not have to have a permit. However the little town to the south of us requires a permit for almost everything, except an above ground pool.
So, as pinguy said, it 100% depends on the local AHJ.
It's easier to ask for forgiveness than permission...
11K gal IG screened-in plaster pool w/ spa
pentair 150 cartridge filter, Pentair Intelliflow VS pump,
Aquarite AQR15 SWG, AquaCal Heatwave Heat Pump, TF-100 test kit
19k gallon Pebble Tec play pool/spa, Pentair Intelliflo VS (3 hp) 011018, Super II 2hp (for spa), Aqua Rite T-15 SWG, Pro Grid 60 DE filter, Hayward H400 & Heliocol Solar heating, A&A infloor system, fill water w/high CH and TA, 50 ppm borates,TF-100 test kit
Permit and final inspection for up where I am. Above ground pools usually more worried that there is a good ground fault for the pump.
Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
Filter dual cartridge Sta-rite 450sq/ft, TF-100 Test Kit
Heater Raypak 2100 400k btu cupro-nickel exchanger
Auto pool cover, Polaris 280 auto pool cleaner, Jandy AqualinkRS8 Remote Control System