The story of this market
The typical home in ZIP 06820 sells for about $772,820, or $375 per square foot.
Prices are up +3% from a year ago, so sellers still have some momentum. Homes take about 32 days to sell. HUD's fair market rent for a two-bedroom is $2,850 a month.
This ZIP has no home sales of its own, so its market figures come from Fairfield County, Connecticut (county-level). Population, rents, hazards, lending and amenities are this ZIP's own readings.
ZIP 06820 — Darien
The Darien housing market remains exceptionally tight, characterized by high demand and limited inventory that keeps prices at a premium. Buyers are consistently paying above asking price, reflecting a highly competitive environment driven by the town's reputation for top-tier schools and proximity to New York City.
This ZIP is ideal for affluent families and high-earning professionals who prioritize top-tier public schools, coastal amenities, and a manageable commute to New York City.
Median prices moved up 3.0% year over year.
Homes spend a median of 32 days on market with 2.2 months of supply — a fast-moving market.
13% of listings have cut prices · homes sell at 104.4% of asking — demand is running ahead of supply.
no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 5.1% · poverty 5.8% — a stable, low-distress profile.
Researched annual trajectory for this ZIP, from published historical series
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 9.2%/yr trend — a deterministic estimate, not a published forecast or guarantee.
Median annual property tax paid on this ZIP's residential parcels
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 4.8%/yr trend — a deterministic estimate, not a published forecast or guarantee.
versus the prior ACS vintage
in-migration and out-migration balanced
ZCTA 06820, Fairfield County CT
ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.
Darien consistently ranks as one of the safest communities in Connecticut, with crime rates significantly lower than both state and national averages.
The Darien Public Schools district is highly regarded, consistently ranking among the top-performing school systems in Connecticut with excellent college readiness metrics.
The area faces moderate coastal flood risks due to its Long Island Sound shoreline, and property insurance premiums reflect regional exposure to severe storm events.
Economic momentum is driven by its status as a premier residential enclave for New York City commuters, with ongoing high-end residential redevelopment and village-center enhancements.
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.
Residents benefit from direct Metro-North commuter rail service to Grand Central Terminal in New York City, with most commutes taking approximately 60-75 minutes.
The area features extensive coastal access via town beaches like Weed Beach and Pear Tree Point, alongside numerous parks, nature preserves, and private country clubs.
The rental market is characterized by low inventory and high demand, primarily serving families seeking school-district access or individuals transitioning between home purchases.
The local economy is anchored by professional services, finance, and corporate headquarters located in nearby Stamford and Greenwich, with a high concentration of high-net-worth residents.
The area is served by the Metro-North New Haven Line with two stations in Darien, providing essential rail connectivity to the broader New York metropolitan area.
Ongoing planning efforts focus on revitalizing the downtown corridor through mixed-use zoning to increase density and walkability.
Parcels are subject to town-level property taxes and the Darien Public Schools district, with no significant MUD/PID special assessment districts.
Property insurance costs are elevated due to coastal storm surge risks and the high replacement value of luxury residential inventory.
Data retrieved from data.census.gov using ZCTA 06820 profile.
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.
Popular town beach with picnic areas and sailing facilities.
Large wooded area with walking trails and wildlife viewing.
Private club featuring an 18-hole golf course and social amenities.
Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass. Coherence hold-out: this pass's median price ($3,300,000) sat outside the 0.25–4× band around Fairfield County's retained level and was not stored.