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800 Congress Ave

New Haven, CT 06519

ba Lot 79,715 sqft other
No recorded sales

Location

Timeline: Sale, Listing & Tax History

Recorded events

No recorded events

No sale or listing events are on file for this property.

Tax assessment history

YearBuildingLandTotal assessedTax paid
2025 $331,800 $546,000 $877,800 $34,585
2023 $1,259,720 $546,000 $1,805,720 $67,173
2022 $1,259,720 $546,000 $1,805,720 $71,777
2021 $289,917 $407,820 $697,737 $30,617
2020 $289,917 $407,820 $697,737 $30,617
2019 $289,917 $407,820 $697,737 $29,989
2018 $742,700 $407,820 $1,150,520 $49,449
2017 $652,540 $407,820 $1,060,360 $41,015
2016 $984,340 $148,330 $1,132,670 $47,062
2015 $984,340 $148,330 $1,132,670 $47,062
2013 $984,340 $148,330 $1,132,670 $46,213
2006 $715,260 $31,780 $747,040 $33,505
2004 $715,260 $31,780 $747,040 $29,530
2003 $715,260 $31,780 $747,040 $28,783

Property facts

Year built
Property type
other
Stories
Beds
Baths
Living area
Lot size
79,715 sqft
ZIP code
06519
City
New Haven
Street
Congress Ave
Coordinates
41.29878, -72.94267

Frequently asked questions

When did 800 Congress Ave last sell?
No public-record sale is on file for 800 Congress Ave.
What is the current tax assessment for 800 Congress Ave?
The most recent total assessment for 800 Congress Ave (year 2025) is $877,800 with $34,585 in property tax.
When was 800 Congress Ave built?
The year built for 800 Congress Ave is not in our records.
How does 800 Congress Ave compare to others on Congress Ave?
We track 8 other properties on Congress Ave. Browse the list under "Other properties on Congress Ave" to compare beds, baths, and sale history.
What are the property facts for 800 Congress Ave?
800 Congress Ave is a — bath, 79,715 sqft lot other.
Is 800 Congress Ave a flip candidate?
No — 800 Congress Ave does not appear in our flips dataset.
Is 800 Congress Ave a tax-appeal candidate?
No — 800 Congress Ave is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
+4.8%
Implied 1-yr
+19.1%
2026 Q3
$447.2K
2026 Q4
$463.5K
ZIP 06519 — Median Price History + Forecast

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