Deep rest.
The sleep that science writes papers about.
Bedrooms calibrated to your biology, a held temperature, a held darkness, the air audited at the pillow. The measured conditions the body rests and recovers best in, held through the night.
Your next home should protect you.
Not just shelter you.
MAVI
Longevity architecture. MAVI defines how a home performs for the people inside it, expressed as measurable targets rather than preferences.
Crewzz
Homeowner-first stewardship. Crewzz carries that standard across planning, design, construction, verification, and the years after handover.
Two companies. One shared conviction.
A home is built by specialists. Nobody is responsible for the whole.
Architecture. Interiors. Engineering. Construction. Wellness. Technology. Maintenance. Seven disciplines, seven contracts, and seven different definitions of a job well done.
Each one does its part well. None of them owns the result. Which leaves the homeowner holding everything that falls between them: the decisions, the trade-offs, the substitutions, the sequence, and every consequence that shows up after the last truck leaves.
MAVI and Crewzz start from the same conviction. A home is one environment and one journey, not a set of parts that happen to arrive at the same address.
- Architecture
- Interiors
- Engineering
- Construction
- Wellness
- Technology
- Care
MAVI
Longevity architecture.
MAVI defines how a home performs for the people inside it.
Its framework turns environmental science into measurable targets, so that the conditions a body actually responds to become part of the specification instead of a matter of taste. A number can be checked. A preference cannot.
Air, water, light, sound, thermal comfort, materials, sleep, movement, and monitoring. Ten standards, each with a number attached to it, set out in full further down this page.
MAVI defines how the home should perform. Not only how it should look.
Crewzz
Homeowner-first stewardship.
A standard is easy to write. It is very easy to lose.
Standards are lost in ordinary ways. A material is substituted for the one that is in stock. A specification is trimmed in a meeting nobody wrote down. A phase closes before anyone checked the number behind it. An invoice is approved by the party that produced it.
None of that requires bad intent. It only requires that nobody in the process is paid to care about the whole. Stewardship is Crewzz being that party: planning, design coordination, team selection, locked scope, governed funds, verified milestones, and the record at closeout. The full governance model is set out further down this page.
Crewzz does not replace the architects, designers, engineers, or builders on a project. It brings them together around one coordinated experience, held to the homeowner’s interest.
Crewzz is not another percentage sitting between you and your home. It is the one party in the process whose interests do not move when your budget does.
- 129Health indicators engineered into every home.
- 10Pillars of longevity science.
- 2–5×More polluted, the air inside most homes. Not ours.
How the wealthiest are redefining luxury property
Luxury property is no longer defined by location, scale, or finish alone.
For today’s wealthiest clients, the brief has shifted. Privacy, ease, identity, protection, family life, and the quiet intelligence behind how a home is owned, designed, delivered, and experienced now sit at the centre of the conversation.
No one feels that shift more sharply than the families rebuilding right now in Pacific Palisades, Malibu, and Altadena. What you build next is the architecture you and your children will live inside for the next thirty years.
Crewzz was built for exactly this shift: stewardship of the build, not a percentage of it.
You spend millions on your home.
Nobody checked if it is making you sick.
What building code does not cover
Your home passed code.
It did not pass a health standard.
Building codes regulate structure. They do not regulate the air you breathe, the water you drink, the light that governs your sleep, or the materials your children touch every day.
- 2–5×
Indoor air in a new build can be two to five times more polluted than outdoor air.
US EPA - 90%
of your life is spent indoors. The materials around you are either protecting you or exposing you.
National Human Activity Pattern Survey
Building code is the floor. The Crewzz standard is the contract.
Every breath, every glass.
The simplest two systems, the most consequential to your years.
Whole-home ventilation and filtration to peer-reviewed thresholds. Water at every fixture clean at the source. Materials that do not off-gas into the bedrooms.
Engineered quiet.
The shoulders come down before you have noticed.
Acoustic separation between zones, the bedroom held below thirty-five decibels, thermal stability through the day, lighting calibrated to your nervous system, not the catalog.
A clearer day.
Materials, light, and rhythm written to keep the mind in.
Lighting spectrum that does not spike cortisol. Materials that do not draw the body into low-grade reactivity. Spatial geometry that lets the eye rest, and the work continue.
Ten standards. Measured. Built. Documented.
Every standard is contractually committed, engineered into your build, and independently verified before handover. Hover any plate for detail.
Governed for your capital
Eight layers between your money
and the build.
On most builds, your money and the work sit behind a single contractor you simply have to trust. The Crewzz governance model replaces that trust with structure, so nothing moves unchecked.
01Planning and clarity
The property, the household, and the real numbers understood before the expensive decisions are locked.
02Scope and budget locked
Scope and price written down in detail before ground is broken, so the specification cannot quietly get cheaper later.
03Fund governance
Construction funds held in a governed account. Two signatures release money, and money does not move until the work behind it has been verified.
04True-cost pricing
No markup on materials, trades, or change orders. Trades paid at net, directly. Crewzz is paid a flat fee, agreed in advance, that does not rise as the cost of the home rises.
05Single-team accountability
One integrated team from permit to handover.
06Milestone verification
Every phase checked before the next one covers it up. Once the drywall is on, everything behind it is a matter of trust.
07Documentation and closeout
Records, sign-offs, and a closed financial ledger, so the build can still be examined a year after you move in.
08Performance guarantee
Contractual commitment to the ten biological standards.
Secured for your family
The same governance discipline,
applied to your safety.
A construction site is the largest privacy and security vulnerability your family will ever live with. Crewzz Care treats it as a controlled environment, not a public one.
01Vetted trades and crew
Background-checked, NDAs, insurance at the firm level.
02Hardened systems
Network, smart-home, access designed for compromise resistance.
03Physical resilience
Fire-rated assemblies exceeding California WUI code.
04Family privacy
No project name on permits. No public renders. Press silence in contract.
05Long-term care
A home built to a standard needs someone who still knows what that standard was. Crewzz stays.
Longevity is not a medical outcome. It is an environmental one.
Longevity architecture
From biology
to built space.
- 01
Integrated systems
We engineer air, water, light, and acoustics as one system. Calibrated to your biology.
- 02
Measurable targets
Every system hits documented health metrics. Measured. Verified. Peer-reviewed.
- 03
Holistic design
Every choice reduces exposure to common indoor pollutants and supports a natural circadian rhythm, so the home works with your body rather than against it.
- 04
Long-term wellness
The science moves forward. Your home moves with it.
Built for your biology.
One hundred and twenty-nine measurable indicators across ten pillars of longevity architecture. Every design decision driven from biology up.
Governed for your capital.
One thousand six hundred projects since 2008. Time-based fees, two-person fund verification, zero markups. Every dollar accounted for.
Secured for your family.
Vetted trades, hardened systems, physical resilience, family privacy. The same governance discipline applied to your safety.
From first call to verified home
Three phases.
- 01
Assessment
A confidential 30-minute consultation, then a written site specification. Site evaluated against the ten biological standards. Conducted by the Crewzz team that will be accountable for the build. No commitment to proceed; you can take the document to any builder.
- 02
Design + build
Your home engineered to the ten biological standards and built by a single integrated MAVI × Crewzz team. One contract, one cost ledger, one chain of accountability from drawings to drywall.
- 03
Verification + handover
Every system independently tested and documented. The Longevity Dossier delivered at handover, with sensor data, photographs, and contractual sign-offs. Proof, not promise.
- 129Measurable health indicators
- 1,600+Crewzz projects since 2008
- 0%Material markup
- 10Biological performance standards
- < 20Rebuilds across 2026
Schedule a consultation
Thirty minutes. Ten standards.
A written specification you can take to any builder.
A confidential session with the MAVI × Crewzz team. We walk through your specific site conditions, the insurance envelope, and the ten biological performance standards. You leave with a written specification, not a sales pitch. No obligation to proceed.
Limited to fewer than twenty rebuilds across 2026. All enquiries confidential.
Built for your biology. Governed for your capital. Secured for your family.
