Santa Rosa has both a private nonprofit humane society and a municipal county shelter, with meaningfully different fee structures. Here’s how they compare.
Humane Society of Sonoma County
The Humane Society of Sonoma County runs age-tiered pricing: $105 for adult cats, $85 for senior cats over age 7, and $155 for kittens under 4 months. They have locations in both Santa Rosa and Healdsburg — call (707) 542-0882 for the Santa Rosa location.

| Age Group | Fee |
|---|---|
| Kittens (under 4 months) | $155 |
| Adult cats | $105 |
| Senior cats (7+) | $85 |
Sonoma County Animal Care and Control
The county-run shelter, located at 1247 Century Court in Santa Rosa, charges between $52.50 and $132.00 for cats and kittens. This range includes spay/neuter, vaccinations, dewormer, flea treatment as needed, microchip, and a travel box or leash.

Comparing Your Options
- Sonoma County Animal Care and Control tends to offer the lower end of pricing overall
- Humane Society of Sonoma County provides a private nonprofit alternative with locations in both Santa Rosa and Healdsburg
- Senior cats are notably cheaper at the Humane Society specifically — worth considering if you’re open to an older cat

Before You Adopt
See our guide to cat-proofing your home before adoption, and if you’re considering a senior cat, our guide to why adopt a senior cat covers the benefits.

Budgeting Beyond the Adoption Fee
Whichever organization you choose, plan for costs beyond the fee itself — a litter box, litter, food and water bowls, a scratching post, and a first round of supplies ready before pickup day. Ongoing veterinary costs, including annual wellness visits and dental care as your cat ages, add up over the years, and pet insurance is worth researching within the first few weeks of adoption, before any condition becomes a pre-existing exclusion on a policy.
Settling In After You Get Home
Set up a single quiet room with food, water, a litter box, and a hiding spot before giving your new cat access to the rest of the house, rather than introducing it to every room and family member at once. A calmer, more gradual first week tends to produce a noticeably more confident, settled cat over the following month.
Multi-Cat Households and Introductions
If you already have a cat at home, plan for a gradual introduction over several days rather than a same-day meeting. Keep the new cat in its own separate room at first, swapping bedding between the two so each becomes familiar with the other’s scent before any direct interaction — rushing this step is one of the most common reasons an otherwise good match gets off to a rocky start.
Weighing a Kitten vs. an Adult Cat
Whichever organization you choose, it’s worth genuinely weighing an adult cat against a kitten, especially given the lower senior fee at the Humane Society specifically. Adult cats generally arrive with an already-formed personality, making it easier to predict how they’ll fit your household, while kittens require significantly more supervision and kitten-proofing throughout their first year.
Give the Adjustment Time
Whichever cat you bring home, give it real time to settle before drawing conclusions about its personality. A cat that seems withdrawn or nervous in its first days at home is not necessarily reflective of how it will behave once it’s had a few weeks to adjust — many adopters report a noticeably more confident, affectionate cat emerges after the first month than the one they initially brought home.
One Last Thing to Keep in Mind
Both organizations serve overlapping but distinct populations of cats moving through Sonoma County, so checking both before committing can widen your options considerably, especially if you have a specific age or personality in mind.
Multi-Cat Households and Introductions
If you already have a cat at home, plan for a gradual introduction over several days rather than a same-day meeting. Keep the new cat in its own separate room at first, swapping bedding between the two so each becomes familiar with the other’s scent before any direct interaction — rushing this step is one of the most common reasons an otherwise good match gets off to a rocky start.
Considering the North Bay Climate
Santa Rosa’s warm, dry summers make indoor-only living an easy, comfortable choice for most cats, and the region’s overall mild climate means fewer extreme weather adjustments than in the Central Valley or desert areas. Still, budget for reasonable air conditioning use during the hottest stretches of summer to keep a newly adopted cat comfortable while it settles in.
Budgeting Beyond the Adoption Fee
Beyond whichever fee you pay, plan for ongoing costs — a litter box, litter, food and water bowls, a scratching post, and routine veterinary care as the years go by. Pet insurance is worth researching within the first few weeks of adoption, before any condition becomes a pre-existing exclusion on a policy.
Give whichever cat you adopt real time to settle before drawing conclusions about its personality — a cat that seems withdrawn or nervous in its first days at home is not necessarily reflective of how it will behave once it’s had a few weeks to adjust.
If you already have a cat at home, plan for a gradual introduction over several days rather than a same-day meeting, keeping the new cat in its own separate room at first so each becomes familiar with the other’s scent before any direct interaction — rushing this step is one of the most common reasons an otherwise good match gets off to a rocky start.
Frequently Asked Questions
What does Humane Society of Sonoma County charge for a cat?
$105 for adult cats, $85 for senior cats over age 7, and $155 for kittens under 4 months.
Why is the kitten fee higher than the adult cat fee at Humane Society of Sonoma County?
Kittens require more upfront medical care and are in higher demand, which is reflected in the fee structure — this pattern is common across many shelters.
What does Sonoma County Animal Care and Control charge?
Cats and kittens range from $52.50 to $132.00, including spay/neuter, vaccinations, dewormer, flea treatment as needed, microchip, and a travel box or leash.
Is Sonoma County Animal Care and Control a nonprofit or government agency?
It’s the municipal shelter, located at 1247 Century Court in Santa Rosa, distinct from the private nonprofit Humane Society of Sonoma County.
Not in Santa Rosa? We Can Still Help
Cats By The Tracks is a foster-based rescue serving Fresno and the Central Valley.

By Cats By The Tracks