203 Boston St, Guilford, CT 06437 Property Records

Guilford Town property record for 203 Boston St, Guilford, CT 06437

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.5 ba · 1,576 sqft · built 1954
Lot Size0.5 acres (21,780 sqft)
Owner2 Individual Names on Record
Last Sale$675,000 (Jul 2025)
Tax Bill$8,177 (2025)
Deeds & MortgagesApr 2021 Mortgage
Jul 2025 Sale & Line of Credit
+ 2 more
Flood ZoneZone X (minimal risk)
APNGUIL M:40129

Property Details

APN / Parcel Number

Primary APNGUIL M:40129
Alternative APN
  • 5131

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories2 Stories
Building Area1,576 sqft Living Area
Basement Area968 sqft
Unfinished Basement968 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1989
Architectural StyleCape Cod
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area21,780 sqft (0.5 acres)

Utilities, Heating & Cooling

Heating SystemBaseboard
Heating FuelGas
SewerSeptic

Location & Zoning

Account Number5131
Street Address203 BOSTON ST
CityGUILFORD
StateCT
Zip06437-2844
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-3
JurisdictionGUILFORD CT
Township / Civil DivisionGUILFORD
Census Block Group3
Census Block3012
Census Tract190100

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Guilford Historic Town Center
listed 1976 · 373 contributing resources · NRIS 76001988

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Guilford Town records, as of October 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address203 BOSTON ST, GUILFORD, CT 06437-2844
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Apr 22, 2021Deed of Trust, Mortgage · Balloon Mortgage
ASSURANCE FINANCIAL
Jul 21, 2025Warranty Deed, Transfer · Line of Credit
MEMBERS MORTGAGE COMPANY INC
Apr 22, 2021Deed of Trust, Mortgage · Balloon Mortgage
ASSURANCE FINANCIAL
May 22, 2018Quit Claim Deed, Transfer · Line of Credit
FRANKLIN AMERICAN MORTGAGE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 21, 2025 · Amount on Record
Deed SaleJul 21, 2025 · Amount on Record
Prior SaleJan 20, 2000 · Amount on Record
Deed Book / Page1033 / 290
Transfer Doc926-326
Record UpdatedOct 29, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGUILFORD CT
Property Address203 BOSTON ST, GUILFORD, CT 06437-2844
Transaction TypeMortgage
Record UpdatedMar 13, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number000974-494
DateApr 22, 2021
Book Page974/494
Instrument2518170010
Lender
NameASSURANCE FINANCIAL
Agreement
TypeBalloon Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

July 2025: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionGUILFORD CT
Recording DateJul 21, 2025
Property Address203 BOSTON ST, GUILFORD, CT 06437-2844
Document Number001033-290
Book / Page1033 / 290
Instrument DateJul 15, 2025
Transaction TypeTransfer
Record UpdatedMar 13, 2026

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address203 BOSTON ST, GUILFORD, CT 06437-2844

Mortgage

Document Number3068120020
DateJul 21, 2025
Instrument3068120020
Lender
NameMEMBERS MORTGAGE COMPANY INC
TypeMortgage Company
Agreement
TypeLine of Credit
AmountAmount Recorded
Term361 Months
DueAug 1, 2055
Interest
Rate TypeAdjustable Rate
Rate5.75%
Type Change DateAug 1, 2035
Index1-Year CMT

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionGUILFORD CT
Property Address203 BOSTON ST, GUILFORD, CT 06437-2844
Transaction TypeMortgage
Record UpdatedMay 6, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number974-494
DateApr 22, 2021
Book Page974/494
Instrument2518170010
Lender
NameASSURANCE FINANCIAL
Agreement
TypeBalloon Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

May 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionGUILFORD CT
Recording DateMay 22, 2018
Property Address203 BOSTON ST, GUILFORD, CT 06437-2844
Document Number926-326
Book / Page926 / 326
Instrument1424160003
Transaction TypeTransfer
Record UpdatedMay 21, 2021

Transaction

Tax$74.09
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number926-329
DateMay 22, 2018
Book Page926/329
Instrument1424170014
Lender
NameFRANKLIN AMERICAN MORTGAGE
TypeMortgage Company
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueMay 1, 2048

Tax Assessment & Valuation

Source: Guilford Town assessment roll, as of September 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionGuilford Town
Unified School DistrictGuilford School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$8,177.00$295,750 (-) Land $186,830 Building $108,920$422,500 Land $266,900 Building $155,600
2024$8,177.00 (+4.02%)$295,750 (-) Land $186,830 Building $108,920
2023$7,861.00 (-1.14%)$295,750 (+23.66%) Land $186,830 Building $108,920
2022$7,952.00$239,170 Land $162,490 Building $76,680

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective January 25, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot 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 RiskLow
lower than 80% of the US · above 55% of Connecticut
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemCTWC - SHORELINE REGION-GUILFORD SYSTEM
private · serves 33,975 people · EPA ID CT0608011
Water SourceSurface water
Last State InspectionJun 2025
LeadUnder 1 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 162 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20

May also be available: T-Mobile.

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