Guilford center
31 Park St, Guilford, CT 06437
Living in Guilford, Connecticut
Guilford is a shoreline town on Long Island Sound in New Haven County, settled in 1639 and formally established in 1644. It sits on I-95 with a historic town center built around the Guilford Green, and it holds one of the largest collections of pre-1900 homes in New England, including several stone and wood-frame houses from the 1600s.
Guilford at a glance
- $629,500Median single-family sale, Oct 2024 – Sep 2025
- 28.40 millsReal estate tax rate, fiscal year 2026–27
- New HavenCounty · Connecticut shoreline, South Central Connecticut Planning Region
Guilford's zip code
Guilford uses ZIP code 06437.
| Area | Zip code | Where it is |
|---|---|---|
| Guilford center | 06437 | Around the Guilford Green, the town's historic square, with Town Hall, the library, shops, and several historic house museums nearby. |
Guilford covers about 49.7 square miles and borders Madison, Branford, North Branford and Durham. It was incorporated in 1644.
Things to do in Guilford, CT
Start with Henry Whitfield State Museum and Dudley Farm, then 1 more below.
Henry Whitfield State Museum
The Henry Whitfield House, built in 1639, is the oldest dwelling house in Connecticut and the oldest stone house built by English settlers in North America. It operates as a state museum.
Guilford, CT
Dudley Farm
A historic working farm museum in Guilford, one of the town's five historic house museums.
Guilford, CT
Guilford Green
The town's central green, ringed by historic homes and a stone church, used for walking, gathering, and town events.
Park St, Guilford, CT
More worth a visit
- Comfort Starr HouseAn 1695 wood-framed house, one of the oldest private dwellings in Connecticut, built by one of Guilford's original settler families.
A little history
Guilford was settled on May 19, 1639, and formally established on October 15, 1644, named for Guildford, Surrey, in England.
The Henry Whitfield House, built in 1639, is the oldest dwelling house in Connecticut and the oldest stone house built by English settlers in North America.
Guilford is considered to have one of the largest collections of historic homes in New England, with buildings surviving from the 17th, 18th, and 19th centuries.
Parks, trails and outdoors in Guilford
Guilford's shoreline on Long Island Sound and its inland marshes give the town beach access and preserved open space.
- Guilford GreenA central town green used for walking and outdoor events, surrounded by historic buildings.
Walkability and getting around Guilford
Guilford's historic center around the Green has sidewalks connecting the library, shops, and restaurants, but most of the town's shoreline and inland neighborhoods require a car.
Drive times
- New Haven
- Tweed New Haven Airport
Approximate, without traffic.
By bus or train
Shore Line East commuter rail stops at Guilford station with service to Branford, East Haven, New Haven, and New London. Connecticut Transit's S bus runs between Guilford and New Haven several times a day.
Guilford property taxes and home prices
Guilford's 2026–27 mill rate is 28.40, which is $28.40 of tax for every $1,000 of assessed value. Some areas also pay a fire or special district tax on top of that. Connecticut taxes a home at 70% of its appraised value, so every $100,000 of value costs about $1,988 a year in taxes at 28.40 mills.
What homes in Guilford sell for
| 12 months ending | Single-family | Condo |
|---|---|---|
| Sep 2024 | $605,000217 sales | $285,00047 sales |
| Sep 2025 | $629,500242 sales | $285,00039 sales |
October to September, state records. Text us for this month's sales.
Guilford's mill rate for 2026–27
28.40mills, fiscal year 2026–27
- Town of Guilford28.40 mills
- Guilford Lakes Improvement Association (where it applies)+1.693 mills
- Old Quarry Association (where it applies)+1.60 mills
- Sachems Head Association Inc (where it applies)+1.60 mills
- Motor vehicles28.40 mills
- Next revaluationOctober 1, 2026
How Guilford's mill rate has changed
| Fiscal year | Town rate |
|---|---|
| 2022–23 | 33.25 |
| 2023–24 | 25.88 |
| 2024–25 | 26.58 |
| 2025–26 | 27.65 |
| 2026–27 | 28.40 |
Guilford's town rate went from 33.25 in 2022–23 to 28.40 in 2026–27. Next revaluation: October 1, 2026.
Look up a Guilford property
- Property record cardsAssessed value, lot size and building details
- FEMA flood mapWhether a lender will require flood insurance
- Town ClerkLand records, deeds and vital records
- Assessor's officeQuestions about an assessment: 203-453-8001
Buying a home in Guilford
What we check on a Guilford purchase: CHFA limits, the flood map and coastal flood zone.
First-time buyer programs in Guilford
CHFA sets Guilford'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
Guilford's Long Island Sound shoreline and tidal marshes put waterfront and low-lying coastal parcels within FEMA flood zones. We check FEMA's map before you offer.
FEMA's flood map for GuilfordCheck flood zones on shoreline properties
Guilford's location on Long Island Sound means waterfront and marsh-adjacent parcels can fall within FEMA flood zones, which affects flood insurance requirements. We check the flood map before you make an offer on a shoreline property.
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 Guilford?
Send us a Guilford address and we'll run the numbers, taxes included.
Moving to Guilford: utilities, trash and town offices
Who to call in Guilford: United Illuminating for power.
- ElectricUnited Illuminating
- Trash and recyclingGuilford provides trash and recycling collection information through its Public Works department; check the town's transfer station and collection schedule pages for current details.
Town offices and contacts
Guilford Town Hall is at 31 Park St, Guilford, CT 06437. Hours: Monday-Friday, 8:30 AM-4:30 PM. Main line: 203-453-8001. Each link opens that office's page on the town's website.
- Town HallMain line and town website203-453-8001
- Town ClerkLand records, vital records, and licenses.203-453-8001
- AssessorProperty assessments and tax relief programs; online property record cards.203-453-8001
- Tax CollectorProperty tax billing and online payment.203-453-8001
- Building DepartmentBuilding permits and inspections.
- Planning & Zoning CommissionZoning and land-use applications.
- Parks & RecreationTown parks, recreation, and senior programs.
- Public WorksRoads and town infrastructure.
- Guilford Free LibraryThe town's public library.
Guilford, CT FAQ: taxes, prices and town services
The short answers. Call or text us for the long ones.
What is the mill rate in Guilford, CT?
Guilford's 2026–27 mill rate is 28.40, which is $28.40 of tax for every $1,000 of assessed value. Some areas also pay a fire or special district tax on top of that. The motor vehicle rate is 28.40 mills.
How much are property taxes on a $500,000 home in Guilford?
Connecticut assesses homes at 70% of appraised value, so a $500,000 home would be assessed at about $350,000. At 28.40 mills that's about $9,940 a year, or about $828 a month, before any district tax. The actual bill depends on the town assessor's appraisal, not the price you pay.
What is the median home price in Guilford, CT?
In the 12 months from October 2024 through September 2025, the median single-family sale in Guilford was $629,500 across 242 sales, compared with $605,000 the year before. The median condo sale was $285,000 across 39 sales.
When is Guilford's next revaluation?
Guilford's next revaluation takes effect October 1, 2026, on the state's schedule. The new assessments first show up on the tax bills due in July 2027.
What county is Guilford, CT in?
Guilford is in New Haven County, within the South Central Connecticut Planning Region.
What ZIP code does Guilford use?
Guilford uses ZIP code 06437.
Is there a train station in Guilford?
Yes. Guilford station is served by Shore Line East, with service to Branford, East Haven, New Haven, and New London.
How far is Guilford from New Haven?
Guilford is on I-95 in New Haven County, with Shore Line East and CT Transit's S bus both connecting to New Haven.
Which towns border Guilford?
Guilford borders Madison, Branford, North Branford, and Durham.
What are Town Hall's hours?
Guilford Town Hall, at 31 Park St, is open Monday through Friday, 8:30 AM to 4:30 PM.
Towns near Guilford
Neighbors of Guilford 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 Guilford sales recorded October 1 to September 30, leaving out sales the town flagged as non-market.
- Guilford, Connecticut - Wikipedia: en.wikipedia.org
- Town of Guilford official website: guilfordct.gov
- Guilford Green photo, Wikimedia Commons: commons.wikimedia.org
- Walkability: Walk Score®, Bike Score® and Transit Score®, provided live by Walk Score.
- Photo: Dmadeo, CC BY-SA 3.0, via Wikimedia Commons.
- Checked September 25, 2026.