520 William St, Bridgeport, CT 06608 Property Records

Bridgeport City property record for 520 William St, Bridgeport, CT 06608

Property Summary

Property Type	Duplex
Details	5 bd · 3 ba · 2,525 sqft · built 1889
Lot Size	0.124 acres (5,397 sqft)
Owner	2 Individual Names on Record
Last Sale	$520,000 (Sep 2026)
Tax Bill	$7,495 (2025)
Deeds & Mortgages	Sep 2026 Sale Mar 2026 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`RR-0075225`

Property Details

APN / Parcel Number

Primary APN	`RR-0075225`
Alternative APNs	`BDPT M:48 B:1625 L:3` `BRID M:48 B:1625 L:3` `M:1625 B:03`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Units	2 Units
Stories	3 Stories
Building Area	2,525 sqft Living Area
Gross Area	4,034 sqft
1st Floor Area	1,050 sqft
Basement Area	970 sqft
Unfinished Basement	925 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1889
Effective Year Built	Effective 1889
Architectural Style	Duplex Single
Exterior Material	Aluminum/Vinyl
Roof Type	Hip
Roof Material	Asphalt
Lot Area	5,397 sqft (0.124 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	RR-0075225
Street Address	520 WILLIAM ST
City	BRIDGEPORT
State	CT
Zip	06608-1525
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	RC
Legal Block	1625
Legal Lot Number	3
Jurisdiction	BRIDGEPORT CT
Township / Civil Division	BRIDGEPORT
Census Block Group	4
Census Block	4000
Census Tract	73900

Owner

Source: Bridgeport City records, as of October 21, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Sep 28, 2026	Warranty Deed, Transfer
Mar 17, 2026	Quit Claim Deed, Transfer Quitclaim
Mar 6, 2024	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 28, 2026 · Amount on Record
Deed Sale	Sep 28, 2026 · Amount on Record
Deed Document Number	202662232
Deed Book / Page	11679 / 158
Prior Transfer Date	Mar 13, 2026
Prior Transfer Doc	0011563-98
Record Updated	Oct 29, 2026

September 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BRIDGEPORT CT
Recording Date	Sep 28, 2026
Property Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525
Document Number	0000062232
Book / Page	11679 / 158
Instrument Date	Sep 22, 2026
Instrument	202662232
Transaction Type	Transfer
Record Updated	Oct 21, 2026

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525

March 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BRIDGEPORT CT
Recording Date	Mar 17, 2026
Property Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525
Document Number	0011563-98
Book / Page	11563 / 98
Instrument Date	Mar 13, 2026
Instrument	50425
Transaction Type	Transfer
Record Updated	Apr 8, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525

March 2024: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BRIDGEPORT CT
Recording Date	Mar 6, 2024
Property Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525
Document Number	0011152-74
Book / Page	11152 / 74
Instrument Date	Feb 2, 2024
Instrument	3557
Transaction Type	Transfer
Record Updated	Apr 24, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	520 WILLIAM ST, BRIDGEPORT, CT 06608-1525

Tax Assessment & Valuation

Source: Bridgeport City assessment roll, as of June 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision / Municipality	Bridgeport City
Unified School District	Bridgeport School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$7,495.00	$172,500 (-) Land $41,770 Building $130,730	$120,750 Land $29,239 Building $91,511
2024	$7,495.00
2023	$7,495.00	$172,500 (-) Land $41,770 Building $130,730
2022	$7,495.00	$172,500 Land $41,770 Building $130,730

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

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	Not rated no burnable land within 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 752 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Frontier Fiber	7,000 / 7,000
Xfinity Fiber	2,000 / 2,000
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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