Residential
Pool and Spa Construction in the South Bay
Pool and spa construction and remodels for South Bay homes and multifamily properties — engineered, permitted, and compliant with California barrier law.
Why pools
Site and Soils Set the Budget
Two pools of identical size on different South Bay lots can differ enormously in cost, and the reason is almost always the site rather than the pool. A flat lot with street access and stable soil is straightforward. A sloped peninsula lot needs retaining and engineered structure to hold the shell; a lot with restricted access may need equipment craned in over the house; and building anywhere in a landslide-sensitive area on the peninsula brings geotechnical investigation into the project before design is finalised.
We get soils and access assessed early, because these are the factors that move a budget by tens of thousands, and finding them after design is the most expensive possible sequence.
Safety Compliance Is Part of the Permit
California requires new residential pools and spas to include drowning-prevention safety features, and the permit will not final without them. Isolation fencing with self-closing, self-latching gates is the most common route; approved safety covers, alarms, and other listed measures also qualify. Suction outlets must meet federal entrapment-avoidance standards. None of this is optional and all of it is cheaper designed in than retrofitted.
Remodels and Equipment
Much of what we do on existing pools is replaster, retile, coping, and equipment replacement. Modern variable-speed pumps are a code requirement for replacements in California and pay back through markedly lower running cost. Older pools frequently need plumbing and bonding brought current at the same time — bonding in particular is regularly found deficient on pools of a certain age.
What the Work Covers
- Soils, access, and slope assessment before design is fixed.
- Structural engineering for hillside and slide-sensitive lots.
- Excavation, steel, plumbing, gunite or shotcrete shell, tile, coping, and finish.
- Code-compliant barrier, gate, alarm, and entrapment-avoidance provisions.
- Variable-speed equipment, heaters, and automation.
- Replaster, retile, and equipment replacement on existing pools.
- Permits and inspections through the relevant South Bay jurisdiction.
What you get
Everything we deliver.
- 01
Apartment & HOA pool construction
New commercial pool builds for multifamily, HOA, and hospitality properties. Engineered to LA County Public Health code with the documentation the inspector wants.
- 02
Pool & spa renovation
Replaster, retile, deck replacement, equipment upgrade. Critical for older apartment pools from the 60s-80s, of which the South Bay has many.
- 03
VGB-compliant drain & safety upgrades
Virginia Graeme Baker Act compliance — dual main drains, anti-entrapment covers, SVRS for single-drain pools. Required by federal law on every public pool.
- 04
ADA pool lifts & access
Permanently installed pool lifts compliant with ADA Title III. Transfer walls, sloped entries, accessible decking. We carry the inspection through to sign-off.
- 05
Commercial filtration & energy upgrades
Sand or DE filtration sized to bathing load, variable-speed pumps (CEC Title 20 required), automatic chemical controllers (chlorine/pH), heater upgrades.
How we run it
Scope to sign-off.
01
Inspection & scope
Site walk, pool inspection, equipment audit, code review. Identify violations and prioritize them — some can wait, others can't.
02
Design & permit
Engineered plans, structural calcs, LA County Public Health Pool plan-check, building permit. We carry the conversation with the AHJ.
03
Construction
Shutdown coordinated with property management, work phased to minimize tenant disruption. Commercial pool renovations typically run 6-12 weeks.
04
Health-inspection startup
Equipment commissioned, water chemistry stabilized, LA County Public Health inspection passed, certificate of operation posted. Pool reopens.
Why DECOMA
One license, three disciplines, forty years.
Family-run South Bay general contractor since 1978. We design, build, and manage — under one license — so the team you start with is the team that hands you keys and the team that answers the phone when something needs fixing in year ten.
- Years building
- 48+
- Projects delivered
- 3,000+
- Repeat clients
- 300+
- CSLB Class
- A/B
FAQ
Common questions.
Are you licensed for commercial pool work?
How long does an apartment pool renovation take?
What about VGB compliance on older commercial pools?
Do you do ADA pool lift installation?
Can you work on commercial spas and hot tubs?
Do you offer ongoing pool maintenance contracts?
Service areas
Pools across the South Bay.
Born in Harbor City, working across LA County since 1978. Same crew, same license number, same shop at 25941 Frampton Ave, Harbor City.
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One business day for a scope, timeline, and budget range. CSLB #375508 A/B.