Fostering cats means opening your home to a cat or kittens temporarily while a shelter or rescue works toward the next appropriate step—often adoption. A foster home can give a frightened cat somewhere quiet to decompress, provide kittens with a safe place to grow, help a recovering cat heal, or simply free shelter space for another animal who needs it.
It can also involve considerably more than providing a spare sofa and accepting payment in purrs.
Cat foster parents may monitor eating and litter-box habits, give medication according to veterinary instructions, transport cats to appointments, help shy cats gain confidence, photograph adoptable cats, write useful personality notes and communicate regularly with the organization responsible for the animal.
The exact job depends on the foster program and the individual cat. This guide explains how cat fostering works, how to find a reputable foster program, what to ask before volunteering, how to prepare your home and what first-time foster parents should expect.
What Does Fostering a Cat Mean?
Fostering a cat means providing temporary home care for a cat who remains under the responsibility of a shelter, rescue or other animal-welfare organization. The foster caregiver provides day-to-day care while the organization coordinates the cat’s broader rescue plan, which may include veterinary treatment, spay/neuter, adoption and placement decisions.
Foster arrangements vary. One organization may provide food, litter, supplies and all approved veterinary care. Another may ask foster volunteers to provide routine supplies themselves while the rescue covers veterinary treatment. Some programs need short-term emergency fosters; others expect a cat to remain in the foster home until adoption.
Know exactly who is responsible for veterinary decisions, emergency care, expenses, transportation, adoption arrangements and finding another foster home if the placement cannot continue.
Why Are Cat Foster Homes Needed?
Foster homes expand the number and types of cats an organization can help. Moving a suitable cat into foster care may also free physical shelter space for another cat.
A home environment can be especially useful for cats who need:
- Time to grow before they are old enough for adoption
- A quiet place to recover from illness, injury or surgery
- Care during pregnancy or while nursing kittens
- A less stressful environment than a busy shelter
- Help becoming comfortable around people
- Observation of personality and household behavior
- Extra time while waiting for an adoptive home
Foster Homes Help Us Learn Who a Cat Really Is
A cat’s behavior in a shelter may not tell the whole story. In a foster home, caregivers may discover that the supposedly reserved cat becomes a champion lap-sitter after dinner, loves wand toys, dislikes vacuum cleaners, tolerates respectful dogs or would really prefer to be the only feline monarch in the kingdom.
Those observations can help rescues create better adoption profiles and make more informed matches.
Is Fostering Cats Right for You?
You do not need a mansion, years of rescue experience or the ability to speak fluent Cat. You do need a safe environment, realistic expectations and enough time and flexibility for the type of foster placement you accept.
Before Applying, Consider
- Does everyone in your household agree to foster?
- Does your housing permit temporary animals?
- Can you provide a separate room when required?
- Can you reliably transport the cat to veterinary or adoption appointments if the program requires it?
- Can you follow the rescue’s feeding, medication and safety instructions?
- Are you comfortable cleaning litter boxes and occasional feline messes?
- Can you monitor appetite, urination, stool and behavior?
- Are you able to communicate promptly with the foster coordinator?
- Can you cope emotionally with eventually saying goodbye?
- Do your resident pets have health or temperament considerations that could make fostering unsuitable?
You Can Choose the Kind of Fostering You Can Handle
A good foster program should want to know your experience, home setup, schedule and comfort level. A first-time foster who wants a healthy adult cat should not feel pressured into accepting neonatal kittens requiring intensive care or a medically complex animal requiring skills they do not have.
Being honest about your limits makes you a more useful foster volunteer—not a less dedicated one.
Types of Cats Who Need Foster Homes
Healthy Adult Cats
Adults may need a temporary home while awaiting adoption, especially in foster-based rescues without a traditional shelter.
Kittens
Weaned kittens may need safe housing, socialization and monitoring while they grow and complete veterinary care.
Mother Cats With Kittens
A nursing mother may do much of the feeding work, but the family still needs a safe environment, monitoring, appropriate nutrition and veterinary support.
Neonatal or Orphaned Kittens
Very young kittens without a mother can require specialized, frequent care. These placements should come with appropriate training and rescue/veterinary support.
Shy or Fearful Cats
A quiet foster home can help rescuers observe a cat’s comfort level and allow trust to develop gradually.
Medical or Recovery Fosters
Some cats need medication, post-operative monitoring or a calm place to recover under veterinary direction.
Senior Cats
Older cats may benefit from a quieter home environment and closer observation of eating, mobility and comfort.
Emergency or Short-Term Fosters
Some organizations need temporary coverage when a regular foster travels, an urgent intake occurs or another placement suddenly changes.
How to Become a Cat Foster Parent
If you are wondering how to foster a cat, the safest route is to work through an established shelter or rescue with a defined foster program.
- Identify reputable local organizations. Look at municipal shelters, humane societies, SPCAs and established cat rescues.
- Read their foster requirements. Check age, location, transportation, housing and resident-pet requirements.
- Submit a foster application. Be candid about your home, schedule, experience and limits.
- Complete required orientation or training. Programs vary considerably in how they prepare volunteers.
- Discuss the type of cat you can foster. Healthy adult? Weaned kittens? Shy cat? Medical foster? Be specific.
- Prepare your foster space. Do this before pickup, not while a nervous cat waits in the carrier.
- Review the individual cat’s instructions. Know diet, medication, medical history, restrictions and appointments.
- Keep the rescue informed. Report health concerns and follow the organization’s emergency procedures.
- Help document the cat’s personality. Useful observations, photographs and videos can support adoption.
- Participate in the adoption process as required. The rescue may handle all adopter contact or ask foster caregivers to assist.
How to Find a Reputable Cat Foster Program
Search for established animal shelters and rescues serving your area and look specifically for a foster or volunteer section on their official website. Local veterinary clinics may also know established organizations in the community.
A Good Foster Program Should Be Able to Explain
- Who legally or organizationally remains responsible for the foster cat
- Who authorizes veterinary care
- Where veterinary treatment is provided
- What to do in a medical emergency
- Which supplies the organization provides
- What the foster caregiver is expected to pay for
- Whether resident pets must remain separated
- How long placements typically last
- How adoption inquiries are handled
- Who makes final adoption decisions
- What happens if the foster placement is not working
- Who you contact when you need help
A foster volunteer should not be handed a cat and then left to improvise through illness, medication questions or a behavior crisis. Before volunteering, make sure you understand how the organization supports its foster homes.
What Is a Cat Foster Application Like?
A cat foster application helps an organization determine which placements fit your household and experience. Requirements vary, but you may be asked about:
- Your address and service area
- Housing type and landlord permission
- Adults and children in the household
- Resident pets and their veterinary status
- Previous animal-care experience
- Available foster space
- Transportation
- Work and travel schedule
- Types of cats you are willing to foster
- Experience giving medication
- Comfort with kittens, shy cats or medical cases
- How long you can typically foster
Some programs provide orientation or training and may have additional screening requirements. Others use a simpler application and interview.
Do Not Try to Be the “Perfect” Applicant
If you cannot bottle-feed kittens every few hours, say so. If you have a resident cat and cannot safely isolate a foster, say so. If you are happy to foster calm adults but uncomfortable administering medication, say so.
Good matching begins before the foster cat arrives.
Questions to Ask a Rescue Before You Foster a Cat
The rescue will have questions for you. You should have questions for the rescue, too.
About the Individual Cat
- Why does this cat need foster care?
- What is known about the cat’s medical history?
- Is the cat currently taking medication?
- What food and litter is the cat using?
- Is the cat known to be comfortable with people?
- What is known about other cats, dogs or children?
- Are there bite, scratch or escape concerns?
- Does the cat need strict separation from resident animals?
About Veterinary Care
- Who do I call if the cat becomes ill?
- Which veterinary clinic should I use?
- Who authorizes non-emergency treatment?
- What constitutes an emergency under your protocol?
- Who pays approved veterinary bills?
- Am I ever expected to use my own veterinarian?
About the Foster Commitment
- What is the expected length of this placement?
- What if I have planned travel?
- Can another foster provide temporary coverage?
- What happens if the cat is not a safe or workable fit?
- How much notice is needed to move a foster?
About Adoption
- Who writes the adoption profile?
- Who takes photographs?
- Will adopters come to my home?
- Will I attend adoption events?
- Do I have input into the match?
- Who makes the final adoption decision?
- Can foster caregivers adopt their foster cats?
Who Pays for Foster Cat Expenses?
There is no single rule. Foster programs differ significantly.
Some organizations provide nearly everything: food, litter, beds, carriers, medication and approved veterinary care. Others cover veterinary expenses but ask foster families to provide food, litter or routine supplies. Some can provide donated supplies when available.
Ask before committing.
If reimbursement matters, get the organization’s policy before purchasing supplies or obtaining veterinary care. Veterinary treatment should follow the foster program’s authorization and emergency procedures unless an immediate life-threatening situation requires emergency action.
Possible Foster Expenses
- Food
- Litter
- Litter boxes
- Carrier
- Bedding
- Scratching surfaces
- Toys
- Cleaning supplies
- Transportation
Whether any of those costs are yours depends entirely on the program.
Cat Foster Supplies: What Do You Need?
Before buying half the cat aisle, ask what the rescue supplies and whether your foster has special requirements.
Typical Foster-Cat Basics
- Secure carrier
- Food appropriate for the cat
- Food and water dishes
- Litter box and scoop
- Appropriate litter
- Washable bedding
- Safe hiding place
- Scratching surface
- Safe toys
- Cleaning supplies
Useful Extras
- Digital kitchen scale for kittens when the program recommends weight monitoring
- Washable blankets and towels
- Interactive wand toys
- Cardboard scratchers
- Easy-to-clean enrichment items
- Notebook or phone log for appetite, medication and observations
Medical fosters and neonatal kittens may need specialized supplies. Obtain those through the rescue or according to veterinary/foster-program instructions rather than assembling a treatment kit from generic internet advice.
How to Set Up a Foster Cat Room
A separate foster room is one of the most useful tools a foster caregiver can have. It gives a new cat a manageable territory and lets you monitor eating, drinking, litter-box use and behavior more easily.
A bathroom, office or other secure, easy-to-clean room may work, depending on the cat and the rescue’s requirements.
Include
- Fresh water
- Food
- Litter box positioned away from food and water
- Comfortable bedding
- Safe hiding places
- Scratching surface
- Age-appropriate toys
- Vertical space or a perch when safe and practical
Cat-Proof the Room
- Secure windows and screens.
- Remove toxic plants.
- Store medications, cleaners and cosmetics securely.
- Remove string, ribbon and swallowable objects.
- Protect or remove accessible cords.
- Block dangerous gaps behind cabinets or appliances.
- Keep toilet lids closed when fostering in a bathroom.
- Check that vents and screens are secure.
Rooms with inaccessible hiding places can make monitoring difficult. Laundry areas can also contain dangerous machinery and gaps, especially for kittens.
Can You Foster Cats If You Already Have Pets?
Often yes, but the foster organization may impose specific separation requirements, and not every household is appropriate for every foster cat.
A new foster cat may have an incomplete medical history or may simply need time to decompress. Start with a separate space and follow the organization’s instructions regarding quarantine, veterinary status and introductions.
Protect Your Resident Pets Too
Before fostering, ask whether your own cats or dogs need particular vaccinations or preventive care. Discuss household health considerations with your veterinarian and the foster organization.
Do not share food bowls, litter boxes or other items between animals when the rescue has instructed separation.
If Introductions Are Appropriate
Introduce animals gradually rather than placing them together immediately. For cat-to-cat introductions, use separate territories, scent exchange and controlled contact.
If tension develops, our Cat-on-Cat Aggression guide explains common causes of conflict and safer introduction principles.
Some rescues require foster animals to remain separated from resident pets for medical or operational reasons. Do not override those instructions simply because the animals appear friendly.
Bringing Your Foster Cat Home
Transport the cat in a secure carrier and take them directly to the prepared foster room.
Once the room is secure, open the carrier and allow the cat to emerge voluntarily when possible. A frightened cat may remain inside the carrier or hide for a while.
During the First Day
- Keep the environment quiet.
- Limit unnecessary visitors.
- Offer the prescribed or familiar food.
- Provide fresh water.
- Confirm that the cat can easily locate the litter box.
- Observe without constantly handling the cat.
- Follow medication instructions precisely.
- Report concerns according to the rescue’s protocol.
Do not interpret hiding as failure. Moving is stressful, and some cats need time before they are ready to interact.
What Does Daily Foster-Cat Care Involve?
For a healthy adult cat, the daily routine may be fairly straightforward. More complex fosters can require considerably more time.
Typical Daily Responsibilities
- Feed according to instructions.
- Provide clean water.
- Scoop and monitor litter boxes.
- Observe appetite and behavior.
- Give prescribed medication when applicable.
- Provide play and enrichment appropriate to the cat.
- Offer social interaction without forcing it.
- Keep the foster area clean.
- Communicate significant changes to the rescue.
Your Observations Are Valuable
Keep track of things an adopter would want to know:
- Favorite toys
- Energy level
- Affection style
- Response to visitors
- Handling preferences
- Grooming tolerance
- Food preferences
- Litter-box habits
- Confidence and fear triggers
- Behavior around approved household animals
Do not diagnose medical or behavior problems yourself. Record what you observe and communicate it accurately to the rescue and its veterinary or behavior professionals.
Fostering Kittens and Mother Cats
Fostering kittens can range from caring for playful, fully weaned youngsters to providing intensive support for newborn or orphaned kittens. Those are very different jobs.
Weaned Kittens
Older kittens generally need safe housing, appropriate nutrition, veterinary care, play, social development and monitoring. Kitten-proofing matters because tiny cats can fit into astonishingly tiny spaces.
Mother Cat With Kittens
A healthy mother may handle nursing and much of the kittens’ early care. The foster caregiver provides a safe, quiet environment, appropriate nutrition for the mother, clean bedding, monitoring and access to veterinary support.
A mother cat can be protective. Give her privacy and follow the rescue’s handling guidance.
Orphaned Neonatal Kittens
Very young orphaned kittens may require specialized feeding, warmth, elimination support and frequent monitoring. This is not an ideal “figure it out as you go” placement.
If you want to foster bottle babies, choose a program that provides appropriate training, supplies and access to experienced rescue or veterinary help. Sick, cold, weak or non-feeding kittens can deteriorate quickly.
For outdoor kittens whose mother may still be caring for them, visit our main Cat Rescue, Adoption & Rehoming hub for guidance on deciding when intervention is appropriate.
Fostering Shy, Medical or Special-Needs Cats
Shy and Fearful Cats
Success with a shy foster is not measured by how quickly you can pet them. Early progress may be eating while you are in the room, playing from a distance, remaining visible rather than hiding, or approaching voluntarily.
Give the cat predictable routines and safe hiding places. Follow the rescue’s behavior plan rather than forcing contact in an attempt to “socialize” the cat faster.
Medical Fosters
Medical fostering may involve medication, restricted activity, monitoring an incision, special feeding or transporting the cat for rechecks. Ask for written instructions and make sure you understand them before leaving the clinic or shelter.
Senior and Special-Needs Cats
Older cats and cats with disabilities can make excellent foster companions, but the home may need adaptations such as easier litter-box access, non-slip surfaces or more accessible resting areas.
See our Senior Cats section for additional information about older feline companions.
How Foster Parents Help Cats Get Adopted
One of the great advantages of fostering is that you get to know the cat in a real home.
Take Good Adoption Photos
Use natural light when possible. Photograph the cat at eye level and capture personality as well as appearance: playing, relaxing, looking out a window or enjoying affection when the cat likes it.
Write Useful Personality Notes
Specific observations are more useful than generic praise.
Instead of:
“Mittens is the sweetest cat ever!”
Try:
“Mittens follows her foster caregiver from room to room, sleeps beside the desk during the workday and comes running when she hears her wand toy.”
That helps an adopter imagine daily life with the cat.
Be Honest About Challenges
If the cat dislikes being picked up, needs a slow introduction to other cats or becomes overwhelmed by noisy visitors, say so. Honest profiles improve matching and may reduce the risk of a failed adoption.
How Long Do You Foster a Cat?
There is no universal foster period.
A short-term placement might last days. A kitten may stay until old enough and medically ready for adoption. An adult cat may remain in foster care until an adopter is found. A medical foster may stay through recovery.
Before accepting a cat, ask whether the placement is:
- For a fixed period
- Until a medical milestone
- Until the cat is adoption-ready
- Until the cat is adopted
- Emergency coverage for another foster
If you have a vacation or other commitment coming up, disclose it before accepting the placement. Do not assume the organization can immediately find replacement care.
Saying Goodbye to a Foster Cat—and What Is a “Foster Fail”?
Yes, saying goodbye can be hard. That is one of the first questions many potential foster parents worry about.
It may help to remember what the goodbye represents: the foster cat has reached the next stage, and your home may now be available to help another cat.
What Is a Foster Fail?
“Foster fail” is the affectionate rescue-world term for a foster caregiver adopting the animal they intended to foster temporarily.
Sometimes that is a wonderful outcome. But adopting every foster quickly ends your ability to foster, so consider the decision just as carefully as any other adoption.
Ask yourself whether the cat is genuinely a good permanent match for your household, finances, resident animals and long-term plans—not simply whether saying goodbye feels difficult today.
You can love a foster cat dearly and still help them move into an excellent permanent home. In fact, knowing the cat well can make you an important part of finding that home.
Temporary Foster Care for Someone’s Own Cat Is a Different Need
People searching for temporary cat foster care are not always looking to volunteer. Sometimes they need temporary care for their own cat because of hospitalization, housing instability, deployment, domestic crisis or another major life event.
That is a different service from volunteering as a rescue foster parent.
If you need temporary care for your own cat, contact local humane organizations, social-service agencies, veterinary clinics and established rescue groups to ask whether temporary safety-net or crisis-foster programs exist in your area. Eligibility, availability, length of stay and ownership arrangements vary.
Before placing your own cat in temporary care, understand who retains ownership, who can authorize veterinary treatment, who pays expenses, how long care can continue and exactly how the cat will be returned to you.
This topic deserves its own Cats Central guide because the reader’s needs are fundamentally different from those of a volunteer foster caregiver.
Frequently Asked Questions About Fostering Cats
What does fostering a cat mean?
Fostering means caring for a cat temporarily on behalf of a shelter, rescue or other organization while the cat moves toward adoption or another appropriate outcome.
How do I become a cat foster parent?
Contact established shelters or rescues in your area, review their foster requirements, complete an application and any required orientation, then discuss which type of foster placement suits your experience and home.
Do you get paid to foster cats?
Volunteer foster caregivers generally should not assume they will be paid. Programs differ in which supplies and expenses they cover, so ask the organization directly before committing.
Does fostering a cat cost money?
It can. Some rescues provide all supplies, while others ask foster caregivers to provide food, litter or routine items. Approved veterinary care is typically handled according to the organization’s own policy. Confirm responsibilities in advance.
How long do you foster a cat?
It may be days, weeks or months depending on the cat and program. Some cats stay until adoption; others need only short-term or recovery care.
Can I foster a cat if I already have cats?
Possibly. The rescue may require a separate room or a period of isolation, and your resident pets’ health and temperament matter. Follow the foster program’s rules regarding separation and introductions.
Do I need a separate room to foster a cat?
Many programs strongly prefer or require one. A separate room helps the new cat adjust, allows closer monitoring and can help protect resident animals when separation is medically or behaviorally necessary.
What supplies do I need to foster a cat?
Typical basics include a carrier, food, water dishes, litter box, litter, bedding, scratching surfaces and toys. Ask what the organization provides before buying supplies.
Can I choose which cat I foster?
Policies vary, but responsible programs generally consider your experience, household, schedule and comfort level when matching you with a foster placement.
Can I foster kittens?
Yes, if the program has kittens needing foster care and your home and experience fit the placement. Very young orphaned kittens require substantially more specialized and frequent care than weaned kittens.
What happens if my foster cat gets sick?
Follow the foster organization’s medical protocol. Before taking a foster home, know who to call, which veterinary clinic to use and how emergencies are handled.
Can I adopt my foster cat?
Many organizations allow foster caregivers to apply to adopt, but policies vary. Ask before fostering if this possibility is important to you.
What if I can no longer keep my foster cat?
Contact the foster coordinator as soon as possible. Do not privately give away, transfer or rehome a foster animal unless the organization explicitly authorizes it.
Is fostering a cat a good way to see whether I want a cat?
Fostering can teach you a great deal about living with cats, but its purpose is to help an animal on behalf of the rescue. If you are uncertain about permanent ownership, be transparent with the organization so it can decide whether fostering is appropriate.
Trusted Cat Fostering Resources
- Best Friends Animal Society — Cat Foster Care Manual — Foster-room preparation, daily care, safety, introductions and foster-program procedures.
- Toronto Cat Rescue — Getting Started — Practical Canadian foster guidance covering sanctuary rooms, intake and daily foster care.
- Toronto Cat Rescue — Foster — Current foster expectations, including transportation, separate space and supplies.
- Ontario SPCA and Humane Society — Foster — Current foster-program considerations and household requirements.
Veterinary and program-policy note: Cats Central provides general educational information. Foster caregivers should follow the medical, safety, isolation and emergency protocols of the organization responsible for their foster cat. Veterinary concerns should be handled through that organization’s approved veterinary process unless immediate emergency care is required.
Last reviewed: August 15, 2026