Seymour center
1 First St, Seymour, CT 06483
Living in Seymour, Connecticut
Seymour is a Naugatuck Valley town on the Naugatuck River in New Haven County. Its downtown was originally called Humphreysville after Revolutionary War veteran David Humphreys, who ran a factory there, and the town took its current name and was incorporated in 1850 after Governor Thomas H. Seymour.
Seymour at a glance
- 28.64 millsReal estate tax rate, fiscal year 2026–27
- 25–30 minDrive to New Haven
- New HavenCounty · Naugatuck Valley
Seymour's villages and zip codes
Seymour has 2 villages or sections. Whatever the mailing address says, they're all part of the Town of Seymour for property taxes and town services.
| Area | Zip code | Where it is |
|---|---|---|
| Seymour center | 06483 | Downtown along the Naugatuck River, near Town Hall on First Street. |
| Great Hill | 06483 | A residential area on the west side of town, near the Housatonic River. |
Seymour covers about 14.6 square miles and borders Oxford, Beacon Falls, Bethany, Woodbridge, Ansonia, Derby and Shelton. It was incorporated in 1850.
Things to do in Seymour, CT
Start with Downtown Seymour Historic District.
Downtown Seymour Historic District
A historic district roughly bounded by the Naugatuck River, Main, Wakeley and DeForest Streets, added to the National Register of Historic Places in 1983.
Downtown Seymour, along the Naugatuck River
Around the calendar
- OctoberSeymour Pink DayAn annual day when the town wears pink to raise money for breast cancer patients through the nonprofit Seymour Pink.
A little history
The site of present-day Seymour was known as Wesquantuck, then Chusetown, a Paugusset and Schaghticoke settlement named for Chief Joseph Mauwehu, before European settlement.
The downtown area was called Humphreysville after David Humphreys, a Revolutionary War veteran who bought a factory there that made scythes, tools and wool products.
Seymour was incorporated as its own town in May 1850, separating from Derby, and was named for Connecticut Governor Thomas H. Seymour.
Parks, trails and outdoors in Seymour
Seymour's outdoor life follows the Naugatuck River through downtown, with the Great Hill area to the west running toward the Housatonic River.
- Naugatuck RiverThe river runs through downtown Seymour and defines part of the historic district's boundary.
Walkability and getting around Seymour
Downtown Seymour along Main Street and the Naugatuck River has a walkable historic core, while outlying residential areas depend on a car.
Great Hill
Drive times
- New Haven, about 15 miles25–30 min
- Tweed New Haven Airport, about 18 miles30 min
Approximate, without traffic.
By bus or train
CTtransit's Valley service operates bus routes through Seymour. There is no passenger rail station in town; the nearest Metro-North/Waterbury Branch and Naugatuck Valley connections are in neighboring towns.
Seymour property taxes and home prices
Seymour's 2026–27 mill rate is 28.64, which is $28.64 of tax for every $1,000 of assessed value. Connecticut taxes a home at 70% of its appraised value, so every $100,000 of value costs about $2,005 a year in taxes at 28.64 mills.
What homes in Seymour sell for
| 12 months ending | Single-family | Condo |
|---|---|---|
| Sep 2024 | $382,500120 sales | $186,00027 sales |
October to September, state records. Text us for this month's sales.
Seymour's mill rate for 2026–27
28.64mills, fiscal year 2026–27
- Town of Seymour28.64 mills
- Motor vehicles28.64 mills
- Next revaluationOctober 1, 2029
How Seymour's mill rate has changed
| Fiscal year | Town rate |
|---|---|
| 2022–23 | 35.59 |
| 2023–24 | 35.98 |
| 2024–25 | 36.84 |
| 2025–26 | 27.72 |
| 2026–27 | 28.64 |
Seymour's town rate went from 35.59 in 2022–23 to 28.64 in 2026–27. Next revaluation: October 1, 2029.
Look up a Seymour property
- FEMA flood mapWhether a lender will require flood insurance
- Town ClerkLand records, deeds and vital records
- Assessor's officeQuestions about an assessment: (203) 888-2511
Buying a home in Seymour
What we check on a Seymour purchase: CHFA limits, the flood map and river town.
First-time buyer programs in Seymour
CHFA sets Seymour's income and price limits for New Haven County. We check them with you before you shop.
See CHFA's limits mapCheck the flood zone first
Seymour lies along the Naugatuck River, and low-lying land near the river, including parts of downtown, falls within FEMA-mapped flood zones. We check FEMA's map before you offer.
FEMA's flood map for SeymourNaugatuck River flood zones
Seymour's downtown sits along the Naugatuck River, and some riverside parcels fall within FEMA flood zones. We check the flood map before you make an offer on a property near the river.
All loans are subject to credit approval, underwriting, and property and program requirements. CHFA and USDA limits and eligibility are set by those agencies and change from time to time.
Thinking about buying in Seymour?
Send us a Seymour address and we'll run the numbers, taxes included.
Moving to Seymour: utilities, trash and town offices
Who to call in Seymour: United Illuminating for power.
- ElectricUnited Illuminating
- Trash and recyclingThe town contracts with a private hauler, Winter Bros., for residential trash and recycling collection.
Town offices and contacts
Seymour Town Hall is at 1 First St, Seymour, CT 06483. Hours: Mon–Thu 8:00 a.m.–4:30 p.m.; Fri 8:00 a.m.–12:00 p.m.. Main line: (203) 888-2511. Each link opens that office's page on the town's website.
Seymour, CT FAQ: taxes, prices and town services
The short answers. Call or text us for the long ones.
What is the mill rate in Seymour, CT?
Seymour's 2026–27 mill rate is 28.64, which is $28.64 of tax for every $1,000 of assessed value. The motor vehicle rate is 28.64 mills.
How much are property taxes on a $500,000 home in Seymour?
Connecticut assesses homes at 70% of appraised value, so a $500,000 home would be assessed at about $350,000. At 28.64 mills that's about $10,024 a year, or about $835 a month. The actual bill depends on the town assessor's appraisal, not the price you pay.
When is Seymour's next revaluation?
Seymour's next revaluation takes effect October 1, 2029, on the state's schedule. The new assessments first show up on the tax bills due in July 2030.
What county is Seymour, CT in?
Seymour is in New Haven County.
What is Seymour's ZIP code?
Seymour's ZIP code is 06483.
How does trash pickup work in Seymour?
The town contracts with a private hauler, Winter Bros., for residential trash and recycling collection.
How far is Seymour from New Haven?
Seymour is about 15 miles from New Haven, roughly a 25–30 minute drive.
What are Seymour Town Hall's hours?
Monday through Thursday 8:00 a.m. to 4:30 p.m., and Friday 8:00 a.m. to noon.
Towns near Seymour
Neighbors of Seymour in New Haven County and nearby. All New Haven County towns.
Sources
- Mill rates: Connecticut Office of Policy and Management, "Mill Rates for FY 2014–2027," data.ct.gov. Revaluation year: OPM, Revaluation Schedule 2023–2037.
- Home sales: "Real Estate Sales 2001–2024 GL," data.ct.gov. Medians use Seymour sales recorded October 1 to September 30, leaving out sales the town flagged as non-market.
- Seymour, Connecticut - Wikipedia: en.wikipedia.org
- Town of Seymour, Connecticut - official website: seymourct.org
- Seymour welcome sign photo - Wikimedia Commons: commons.wikimedia.org
- Walkability: Walk Score®, Bike Score® and Transit Score®, provided live by Walk Score.
- Photo: Joe Mabel, CC BY-SA 3.0, via Wikimedia Commons.
- Checked September 25, 2026.