40 Mayo Ave, Greenwich, CT 06830 Property Records

Greenwich Town property record for 40 Mayo Ave, Greenwich, CT 06830

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 5,806 sqft · built 1965
Lot Size	1.2 acres (52,272 sqft)
Owner	Company Name on Record
Last Sale	$3,510,000 (Feb 2004)
Tax Bill	$42,820 (2026)
Deeds & Mortgages	Sep 2026 Sale May 2024 Sale
Flood Zone	Zone X (minimal risk)
APN	`02-1526S`

Property Details

APN / Parcel Number

Primary APN	`02-1526S`
Alternative APNs	`GREE M:02 B:1526/S` `252/030`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	5,806 sqft Living Area
Basement Area	2,747 sqft
Unfinished Basement	2,747 sqft

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1970
Architectural Style	Tudor
Exterior Material	Stone
Construction Type	Frame
Roof Type	Gable
Roof Material	Slate
Lot Area	52,272 sqft (1.2 acres)
Pool Type	In-Ground Pool
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	252/030
Street Address	40 MAYO AVE
City	GREENWICH
State	CT
Zip	06830-7022
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA-1
Legal Block	1526/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	2
Census Block	2011
Census Tract	11200

Owner

Source: Greenwich Town records, as of October 21, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on Record
Mailing Address	40 MAYO AVE, GREENWICH, CT 06830-7022
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Sep 16, 2026	Warranty Deed, Transfer
May 23, 2024	Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 11, 2004 · Amount on Record
Deed Sale	Feb 11, 2004 · Amount on Record
Prior Sale	Jan 29, 2004 · Amount on Record
Deed Book / Page	4553 / 280
Record Updated	Oct 29, 2026

September 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Sep 16, 2026
Property Address	40 MAYO AVE, GREENWICH, CT 06830-7022
Document Number	0000005841
Book / Page	8613 / 32
Instrument Date	Sep 4, 2026
Instrument	20265841
Transaction Type	Transfer
Record Updated	Sep 30, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

May 2024: Deed, Transfer

Document Type	Deed
Jurisdiction	GREENWICH CT
Recording Date	May 23, 2024
Property Address	40 MAYO AVE, GREENWICH, CT 06830-7022
Document Number	008324-158
Book / Page	8324 / 158
Instrument Date	May 10, 2024
Instrument	2529
Transaction Type	Transfer
Record Updated	Jun 6, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

Source: Greenwich Town assessment roll, as of June 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Greenwich Town
Unified School District	Greenwich School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$42,820.00 (+11.72%)	$4,084,360 (+31.7%) Land $2,852,220 Building $1,232,140	$7,017,095 (+223.23%)
2025	$38,329.00	$3,101,280 (-) Land $2,241,750 Building $859,530	$2,170,896 Land $1,569,225 Building $601,671
2024	$38,329.00 (+6.22%)
2023	$36,086.00 (+0.92%)	$3,101,280 (-) Land $2,241,750 Building $859,530
2022	$35,758.00	$3,101,280 Land $2,241,750 Building $859,530

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 97% of the US · lower than 95% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people · EPA ID CT0150011
Water Source	Surface water
Last State Inspection	Jun 2025
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	24 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 120 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Cable · Fiber in parts of the area	940 / 35
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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