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$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|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$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|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-0.6%|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$1.4M+1.7%|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$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|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$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|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-0.6%|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$1.4M+1.7%|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 06831 sells for about $1,485,000, or $750 per square foot.

Prices are up +13.2% from a year ago, so sellers still have some momentum. Homes take about 54 days to sell. HUD's fair market rent for a two-bedroom is $3,501 a month.

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

ZIP 06831 — Greenwich

Fairfield County →Bridgeport marketrefreshed Sep 20, 2026next refresh Oct 20, 2026
Market mood · cautiously optimistic

The Greenwich 06831 housing market remains robust, characterized by high median home values and strong demand for luxury properties. While inventory remains tight, the market has shown resilience with steady year-over-year price appreciation. Buyers continue to prioritize space and school quality, driving competitive activity in this affluent enclave.

Who this ZIP fits

This ZIP is ideal for affluent families and professionals seeking high-quality schools, suburban privacy, and convenient access to major employment hubs in the tri-state area.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 71.4 km²Water area · 1.3 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$1,485,000
+13.2% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
54 days
Active listings
185
Listings with price cuts
12%
share of active listings
Sale-to-list ratio
98.5%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
83
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 13.2% year over year.

63
Liquidity/100

Homes spend a median of 54 days on market with 4.2 months of supply — a fast-moving market.

75
Momentum/100

12% of listings have cut prices · homes sell at 98.5% of asking — demand is running ahead of supply.

92
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 4.2% · poverty 4.6% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$1,000,000$1,200,000$1,400,000$1,600,000$1,800,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 2.9%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Property tax · ten-year history

Median annual property tax paid on this ZIP's residential parcels

2016201720182019202020212022202320242025202620282030$13,500$15,000$16,500$18,000$19,500

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 2.1%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2019-2023 5-year estimates
Population change
+0.4%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
15,210

ZCTA 06831, Fairfield County CT

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
15.9%
Foreign-born residents
2,421
Naturalized (of foreign-born)
58.6%
Non-citizens (of population)
6.6%
Entered 2010 or later (of foreign-born)
28.3%
World region of birth (foreign-born)
Americas
40.5%
Europe
35.6%
Asia
20%
Africa
2.9%
Oceania
1%

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
Crime & safety

Greenwich consistently reports low crime rates, ranking among the safest municipalities in Connecticut and the broader New York metropolitan region.

Schools & education

The area is served by the Greenwich Public Schools district, which is highly regarded for its academic performance and extensive extracurricular offerings.

Environmental & hazard

The region faces moderate risks from coastal storm surges and high-wind events, with property insurance premiums reflecting these environmental exposures.

Growth & development

Economic momentum is driven by proximity to major financial services firms in Stamford and New York City, with ongoing high-end residential redevelopment.

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

Residents primarily commute via the Metro-North Railroad New Haven Line or by driving along I-95 and the Merritt Parkway toward Stamford and Manhattan.

Recreation & amenities

The area features extensive access to the Mianus River Park, local golf clubs, and proximity to Long Island Sound waterfront amenities and shopping districts.

Rental market

The rental market is characterized by high demand for luxury single-family homes and limited inventory, keeping vacancy rates low and rents on an upward trajectory.

Economy & employers

The local economy is anchored by the financial services, hedge fund, and corporate headquarters sectors, benefiting from its strategic location between New York City and Stamford.

Transportation & infrastructure

The area is served by the Metro-North Railroad and major highway corridors including I-95 and the Merritt Parkway, facilitating regional connectivity.

Development pipeline

Development is focused on high-end residential infill and institutional upgrades, with strict zoning regulations maintaining the town's character.

Special districts

Parcels are subject to town-wide property taxes and specific utility district assessments for water and sewer services.

Insurance & hazard market

Property insurance markets are stable but sensitive to coastal hazard risks, requiring comprehensive coverage for wind and flood events.

Discovery profileACS 2019-2023 5-year estimates
Census profile · ZCTA 06831, Fairfield County CT
Population
15,210
Median age
47.5 yrs
Owner-occupancy
82.4%
Median home value
$1,483,500
Median gross rent
$2,850
Median household income
$218,785
Median year built
1970
Vacancy rate
10.6%
Renter share
17.6%
Owner cost burden
28.5%
Renter cost burden
35.2%
Population change
+0.4%
Net migration
0
Work-from-home share
22.4%
Mean commute
32.5 min
Bachelor's or higher
78.2%
Unemployment
4.2%
Poverty rate
4.6%
Avg household size
2.6
White
81.2%
Asian
8.5%
Hispanic
6.2%
Black
2.1%
Other
2%

Data retrieved from data.census.gov ZCTA 06831 profile.

Public schools with an address here · 3

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.

Glenville SchoolElementary8/10Greenwich Public SchoolsHighly rated local elementary school.
Western Middle SchoolMiddle7/10Greenwich Public SchoolsServes the western portion of the town.
Greenwich High SchoolHigh9/10Greenwich Public SchoolsComprehensive high school with extensive AP and extracurricular programs.
School districts
Greenwich Public SchoolsALarge, well-funded district serving the entire town of Greenwich.
Utilities & services
InternetOptimum/FrontierBroadband and fiber availability varies by street.
ElectricEversourcePrimary electricity provider for the region.
Natural GasEversourceAvailable in most residential areas.
Water/SewerAquarion/Town of GreenwichPublic water and sewer services provided.
Major employers & industries
Greenwich HospitalHealthcareMajor regional employer.
Interactive BrokersFinanceSignificant corporate presence.
Town of GreenwichGovernmentPrimary municipal employer.
Major amenities · ZIP 06831
Theme, amusement & water parks
20+ · 20 mi
Entertainment venues, stadiums & amphitheaters
14 · 20 mi
Family fun & things to do
20+ · 13 mi
Parks, trails & nature
20+ · 13 mi
Lakes, marinas & beaches
4 · 20 mi
Shopping & dining districts
5 · 13 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions3 retained amenities · 1 development on the horizon
Inside this ZIP
Mianus River Park
Park

Large forested park with hiking trails and river access.

Griffith E. Harris Golf Course
Golf

Public 18-hole golf course serving the Greenwich community.

Greenwich Avenue
Shopping

Primary upscale retail and dining district in downtown Greenwich.

On the horizon · announced & under construction
Greenwich Hospital ExpansionHealthcareApprovedMajor facility upgrade and expansion project.
Sources · 8 cited

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