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When the unthinkable happens, cleaning up should not fall on your shoulders. After a crime, an accident, a suicide, or an unattended death, the scene left behind is a biohazard that requires trained, licensed decontamination, not ordinary cleaning. Greene Group Construction provides discreet, compassionate crime-scene and biohazard cleanup across Nassau & Suffolk County, 24 hours a day. We handle the decontamination, the removal, the odor, and the paperwork, so your family can begin to heal. This is part of our full property cleanout services on Long Island.
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Our crews handle sensitive biohazard, trauma, and heavy cleanout work across Long Island with professional equipment, full protective gear, and complete discretion in Nassau and Suffolk County.
Crime-scene cleanup, also called biohazard or trauma cleanup, is the professional decontamination of a property after a death, injury, or contamination event. Police and the medical examiner investigate and remove the deceased, but they do not clean the scene — that responsibility falls to the family or property owner. Trained technicians remove blood, bodily fluids, and contaminated materials, decontaminate with hospital-grade agents, eliminate odor at the source, and dispose of regulated medical waste under New York rules. Greene Group Construction provides this service 24/7 across Nassau & Suffolk County, with discretion and insurance-claim assistance.
Crime-scene cleanup is the specialized decontamination of a property after a traumatic event has left behind blood, bodily fluids, tissue, or other biological hazards. It goes by several names — biohazard cleanup, trauma cleanup, or crime and trauma scene decontamination — but the goal is always the same: return the space to a safe, sanitary, and livable condition. It is not the same thing as house cleaning, and it is not a job that should ever fall to a grieving family with a mop and a bucket.
The reason comes down to what these scenes actually contain. Blood and bodily fluids can carry bloodborne pathogens such as HIV, hepatitis B, and hepatitis C, and those pathogens can remain infectious on surfaces and in porous materials. Fluids also travel where the eye cannot follow — under flooring, into subfloor and drywall, down into carpet padding, along baseboards. A surface that looks clean can still be contaminated. Proper remediation means finding and removing everything affected, decontaminating what remains, and verifying that the area is genuinely safe before anyone moves back in.
Greene Group Construction handles this work for homes, apartments, rental units, vehicles, and commercial properties throughout Long Island. Our technicians are trained in bloodborne-pathogen safety, equipped with professional personal protective equipment and hospital-grade disinfectants, and prepared to manage the difficult, emotional reality of these situations with the respect it demands. We are the crew families and property owners call when something has happened that no one ever plans for.
Biohazard and trauma cleanup covers a wider range of situations than the name "crime scene" suggests. Many of the calls we take on Long Island are not crimes at all — they are accidents, medical events, or deaths that simply were not discovered right away. The common thread is biological contamination that makes a property unsafe until it is professionally remediated.
If you are unsure whether a situation qualifies, the safest assumption is that any scene involving blood, bodily fluids, decomposition, or heavy biological contamination should be handled by trained professionals rather than cleaned by hand. When in doubt, call us and describe what you are dealing with. We will tell you honestly whether it is something you can address yourself or something that warrants a professional biohazard response.
Yes, and this is exactly why it should not be a do-it-yourself project. Biohazard remediation in New York is governed by health and safety rules that most people never encounter. The federal OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030) sets out how blood and infectious materials must be handled to protect anyone exposed to them. On top of that, blood-soaked and fluid-contaminated materials are considered regulated medical waste, which cannot simply be bagged and left at the curb — it must be contained, transported, and disposed of through licensed channels under New York State requirements.
First responders do not perform this cleanup. Police secure and investigate the scene, EMS provides medical care, and the medical examiner or coroner handles the deceased. Once their work is done and the scene is released, the property is turned back over to the family or owner — and the biological hazards are still there. Many families are shocked to learn that no public agency is responsible for the cleanup. That is the gap professional biohazard companies exist to fill.
Because the work is regulated and genuinely hazardous, hiring a trained, insured crew protects you in more ways than one. It protects the health of everyone who will use the space again, it ensures contaminated materials are documented and disposed of legally, and it gives insurers and future occupants confidence that the property was properly restored. Greene Group Construction follows recognized bloodborne-pathogen and decontamination protocols on every job, and we carry the insurance these situations require. One note of transparency: we handle the cleanup and decontamination side; we are not a law-enforcement or medical agency, and we begin our work only after the authorities have released the scene.
The single most important thing to understand is that biohazard remediation and ordinary cleaning are not the same service, and the difference is not cosmetic — it is the difference between a space that looks clean and a space that is actually safe. The table below lays out why a trauma scene cannot be treated like a messy room.
| Factor | Ordinary Cleaning | Biohazard / Crime-Scene Remediation |
| Goal | Make a space look clean | Make a space verifiably safe and sanitary |
| Hazards | Dust, dirt, general grime | Bloodborne pathogens, decomposition, infectious fluids |
| Protective Gear | Gloves, basic supplies | Full PPE, respirators, containment |
| Products | Household cleaners | Hospital-grade, EPA-registered disinfectants |
| Waste | Regular trash | Regulated medical waste, licensed disposal |
| Odor | Masked with fragrance | Eliminated at the molecular source |
| Verification | Visual only | Decontamination confirmed before re-occupancy |
This is why a family should never feel obligated to handle a scene themselves, and why a general cleaning company is not equipped for it either. Proper remediation requires training, equipment, legal disposal channels, and the emotional steadiness to do difficult work with care. That combination is what we bring to every call.
We keep our process clear and steady, because the people who call us are usually in the middle of one of the hardest days of their lives. From the first phone call to the final walkthrough, our aim is to take the weight off your shoulders and handle everything with professionalism and compassion.
Because Greene Group Construction is a full-service construction and cleanout company, we can take a property all the way from decontamination through rebuild. Many biohazard companies remediate the hazard and then leave you to find a contractor for the flooring, drywall, and finish work they removed. We can handle both, which means one call, one accountable team, and a home that is not just safe but restored.
Cost is a fair question, and we answer it honestly. Biohazard and trauma cleanup pricing depends on the size of the affected area, how far contamination has spread into materials, how much has to be removed and rebuilt, and the type of biohazard involved. A small, contained area is a very different job from a scene where fluids have penetrated flooring and subfloor across multiple rooms. The ranges below are planning estimates only, never a quote sight unseen.
| Scenario | What's Typically Involved | Typical Range |
| Small, contained scene | Limited area, surface decontamination, minimal removal | $500–$1,500 |
| Moderate trauma scene | Fluid removal, some flooring/material removal, odor treatment | $1,500–$4,000 |
| Unattended death / heavy contamination | Decomposition, extensive material removal, deep decontamination | $3,000–$7,500+ |
| Large scene with restoration | Multi-room contamination plus rebuild of removed structure | $7,500–$10,000+ |
| All scenarios | These are estimates only | Confirmed after on-site assessment |
Here is the reassuring part: homeowners insurance in New York often covers biohazard, trauma, and unattended-death cleanup, sometimes as a specific category of covered loss. When a policy applies, your out-of-pocket cost can be dramatically lower than the numbers above — in many cases limited to a deductible. We work directly with families and adjusters, provide the itemized documentation carriers require, and can bill the claim so you are not fronting large sums during an already overwhelming time. We always recommend confirming the specifics of your coverage with your carrier, and we are glad to help you understand what to ask.
Crime-scene and biohazard work sits at the far end of a spectrum of difficult, sensitive cleanout jobs that most junk-removal companies would rather not take. We take them all, because the same discretion, protective equipment, and compassion that a trauma scene demands are exactly what these situations call for too. If your situation is one of the ones below, we have a dedicated team and a dedicated page for it.
Hoarding cleanup. Severe hoarding is often intertwined with biohazards — animal waste, mold, spoiled food, and pests — on top of years of accumulation. We approach these homes with patience and zero judgment, working at a pace the family and any supporting professionals are comfortable with, and applying full biohazard protocols wherever they are needed. Learn more on our hoarder cleanup and hoarding cleanout page.
Estate cleanout. When a loved one passes and a home full of a lifetime of belongings has to be cleared, the work is as emotional as it is physical. We clear the entire property with care, setting aside valuables, documents, and keepsakes for the family, and in cases involving an unattended death we can remediate and clear in one coordinated effort. See our dedicated estate cleanout service.
Eviction cleanout. Landlords and property managers dealing with a unit left behind by a departed tenant — sometimes in severe condition — need it cleared and turned around fast so they can re-rent. We handle the removal, the cleaning, and any biohazard remediation the unit requires. Learn more on our eviction cleanout page.
All three connect naturally to the biohazard work on this page, and all three benefit from a team that will not flinch at a hard scene. For the full range of situations we clear — foreclosures, rentals, real estate transactions, and more — visit our property cleanout services hub, or explore whole-property clearing on our property cleanout page.
Behind every biohazard call is a person or a family going through something painful. That truth shapes everything about how we work. We arrive discreetly — in unmarked-friendly vehicles when a family asks — so a difficult moment does not become a neighborhood conversation. We keep the details of every job private. Our technicians work quietly, respectfully, and without judgment, whether the scene is a tidy apartment or a home in extreme condition.
Compassion is not a marketing line for us; it is the practical difference between a company that treats a trauma scene like a job and one that treats it like someone's life. We take direction gently, we answer questions honestly, and we never rush a grieving family. Many of the people who call us are adult children who just lost a parent, spouses facing an impossible day, or landlords who walked into something they were not prepared for. Our role is to step in, take on the part no one should have to handle, and give you back a safe space and a little peace of mind.
Being local matters here too. Greene Group Construction is based on Long Island and serves the entire Island, from the Nassau towns near the Queens line out through Suffolk to the East End. When you call, you reach a nearby team that can respond quickly, understands the community, and will still be here long after the job is done. We know the housing stock — the capes and ranches, the older colonials, the apartments and rentals — and we know how to work in them quickly and cleanly. For emergencies, minutes matter, and a local crew is one that can actually be there when you need it.
Who is responsible for cleaning up a crime scene or unattended death?
Police, EMS, and the medical examiner investigate and remove the deceased, but they do not clean the scene. Once the investigation is released, cleanup becomes the responsibility of the property owner or the family. In New York, this biohazard decontamination is a job for trained professionals following OSHA bloodborne-pathogen protocols, not something a family should attempt themselves. We handle it discreetly across Nassau and Suffolk County, 24 hours a day.
Is crime scene cleanup covered by homeowners insurance?
In many cases, yes. Homeowners insurance policies in New York often cover biohazard, trauma, and unattended-death cleanup, sometimes under a specific loss category. We work directly with families and adjusters, document everything with photos and an itemized scope, and can bill the claim so you are not paying out of pocket up front. We always recommend confirming coverage details with your carrier.
How fast can you respond to a biohazard or trauma scene?
We offer 24/7 emergency response across Long Island and can typically be on site within hours of your call. Biohazards do not wait, so the sooner we begin, the more of the property we can save and the lower the risk to everyone in the home. Same-day service is standard for trauma and unattended-death situations in Nassau and Suffolk County.
Do your trucks and crew arrive discreetly?
Yes. Discretion is central to how we work. We can arrive in unmarked-friendly vehicles, we keep the details of every job private, and our technicians work quietly and respectfully. Neighbors do not need to know a family's business, and we treat every scene with the dignity it deserves.
What is the difference between cleaning and biohazard remediation?
Ordinary cleaning makes a space look clean. Biohazard remediation makes it safe. Blood and bodily fluids can carry bloodborne pathogens such as HIV, hepatitis B, and hepatitis C, and they soak into porous materials. Proper remediation means removing contaminated materials, decontaminating with hospital-grade agents, deodorizing at the source, and verifying the area is safe, all while handling regulated medical waste according to New York rules.
Do you handle hoarding cleanup that involves biohazards?
Yes. Severe hoarding situations often include biohazards such as animal or human waste, mold, spoiled food, and pest infestation. We handle these gross-filth and hoarding cleanup jobs with the same protective equipment and decontamination protocols as a trauma scene, always with patience and zero judgment. For standard hoarding cleanup we also have a dedicated hoarder cleanout page.
How much does crime scene or biohazard cleanup cost on Long Island?
Most biohazard and trauma cleanups on Long Island range from about $500 for a small, contained area to $10,000 or more for a large scene with extensive contamination or structural removal. The price depends on the size of the affected area, how far contamination has spread, and how much material must be removed and rebuilt. When insurance applies, your out-of-pocket cost is often much lower. We provide a clear scope before work begins.
What areas do you serve for biohazard and crime scene cleanup?
We serve all of Long Island, including every town in Nassau County and Suffolk County, from the Queens border out to the East End. Our crews respond to homes, apartments, rental units, vehicles, and commercial properties. Wherever you are on the Island, we can reach you quickly for emergency biohazard and trauma cleanup.
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Our 24/7 team responds quickly, discreetly, and compassionately across Nassau & Suffolk County. We handle the decontamination, the removal, the odor, and the insurance paperwork so your family does not have to.