LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$330K-1.5%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.4%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.6M+14.9%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$330K-1.5%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.4%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.6M+14.9%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 06437 sells for about $625,000, or $284 per square foot.

Prices are up +13.6% from a year ago, so sellers still have some momentum. Homes take about 68 days to sell, which is slow. HUD's fair market rent for a two-bedroom is $1,717 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 06437 — Guilford

New Haven County →Waterbury marketrefreshed Sep 17, 2026next refresh Oct 17, 2026
Market mood · cautiously optimistic

The Guilford housing market shows strong demand with a median sale price of $625,000, reflecting a 13.6% year-over-year increase. While inventory remains tight, the market is moving at a steady pace, driven by the area's appeal to commuters and families. High rental demand and limited supply continue to support elevated pricing across the residential sector.

Who this ZIP fits

This ZIP is well-suited for families and commuters seeking a historic, coastal lifestyle with convenient access to New Haven's employment and cultural hubs.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 122 km²Water area · 4.1 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$625,000
+13.6% year over year
Corroboration pending — anchor baseline forms on the first refresh cycles
Days on market
68 days
Active listings
47
Sale-to-list ratio
100%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
82
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
100
Growth/100

Median prices moved up 13.6% year over year.

49
Liquidity/100

Homes spend a median of 68 days on market with 0.0 months of supply — a balanced-paced market.

90
Momentum/100

0% of listings have cut prices · homes sell at 100% of asking — demand is running ahead of supply.

90
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 4.9% · poverty 2.8% — a stable, low-distress profile.

Census trends · population flowsACS 2019-2023 5-year estimates
Population change
0.0%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
22,067

ZCTA 06437, New Haven County, CT

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
9.4%
Foreign-born residents
2,082
Naturalized (of foreign-born)
54.9%
Non-citizens (of population)
4.3%
Entered 2010 or later (of foreign-born)
26.6%
World region of birth (foreign-born)
Asia
40.1%
Europe
30.6%
Americas
23.5%
Africa
4.9%
Oceania
0.9%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context
Schools & education

Guilford public schools are generally well-regarded, serving the community through the Guilford Public Schools district.

Environmental & hazard

The area is a coastal community with exposure to storm surge and wind risks typical of the Connecticut shoreline.

Growth & development

Development is characterized by a mix of historic preservation and residential expansion, with proximity to New Haven serving as a primary economic driver.

Taxation

Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (Connecticut) — Municipal Real Property Tax Assessment & Mill Rate Mechanics: Under C.G.S. § 12-62a, all taxable real property is assessed uniformly at a mandatory 70% assessment ratio of its fair market value (FMV). Real property tax is computed annually using the formula: Assessed Value = Fair Market Value × 0.

Transportation & commute

The area offers access to I-95, providing a commute of approximately 20 minutes to New Haven and roughly 1.5 hours to New York City.

Recreation & amenities

The area features the historic Guilford Green, boutique shopping, local restaurants, and proximity to coastal parks and trails.

Rental market

The rental market is characterized by high demand and limited inventory, with median rents reaching approximately $4,500 per month.

Economy & employers

The local economy is supported by its proximity to the New Haven metropolitan area, with a mix of local retail, professional services, and coastal tourism.

Transportation & infrastructure

The area is served by I-95, facilitating regional travel along the Connecticut shoreline.

Development pipeline

Development is focused on maintaining the historic character of the town center while managing residential growth.

Special districts

Parcels are subject to the Town of Guilford municipal tax and the Guilford Public Schools district.

Insurance & hazard market

Coastal properties in this ZIP may face higher insurance premiums due to flood and wind hazard exposure.

Discovery profileACS 2019-2023 5-year estimates
Census profile · ZCTA 06437, New Haven County, CT
Population
22,067
Median age
51.2 yrs
Owner-occupancy
85%
Median home value
$450,000
Median gross rent
$1,800
Median household income
$125,000
Median year built
1974
Vacancy rate
5%
Renter share
15%
Owner cost burden
25%
Renter cost burden
35%
Population change
0%
Net migration
0
Work-from-home share
20%
Mean commute
30 min
Bachelor's or higher
55%
Unemployment
4.9%
Poverty rate
2.8%
Avg household size
2.5
White
92%
Other
8%

Data retrieved from census.gov ZCTA profiles.

Public schools with an address here · 1

Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.

Guilford High SchoolHigh8Guilford Public SchoolsPrimary high school serving the district.
School districts
Guilford Public SchoolsAServes the entire town of Guilford.
Utilities & services
WaterRegional Water AuthorityPublic water service available in many areas.
Major employers & industries
Town of GuilfordGovernmentMajor local employer.
Amenities & attractions1 retained amenity
Inside this ZIP
Guilford Green
Historic District

The historic center of town featuring boutique shopping and dining.

Sources · 4 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.