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21 William St

Portland, ME 04103

5 bd 2 ba 2,260 sqft Built 1900 Lot 9,583 sqft multi_family
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
2024 $372,200 $97,500 $469,700 $7,050
2023 $372,200 $97,500 $469,700 $6,768
2022 $372,200 $97,500 $469,700 $6,393
2021 $372,200 $97,500 $469,700 $6,101
2020 $171,000 $92,000 $263,000 $6,131
2019 $171,000 $92,000 $263,000 $6,131
2018 $171,000 $92,000 $263,000 $5,912
2017 $171,000 $92,000 $263,000 $5,694
2016 $171,000 $92,000 $263,000 $5,552
2015 $171,000 $92,000 $263,000 $5,426
2014 $171,000 $92,000 $263,000 $5,260
2012 $171,000 $92,000 $263,000 $4,949
2011 $171,000 $92,000 $263,000 $4,807
2009 $171,000 $92,000 $263,000 $4,665
2008 $171,000 $92,000 $263,000 $4,455

Property facts

Year built
1900
Property type
multi_family
Stories
2
Beds
5
Baths
2
Living area
2,260 sqft
Lot size
9,583 sqft
ZIP code
04103
City
Portland
Street
William St
Coordinates
43.66586, -70.27833

Comparable properties nearby

Frequently asked questions

When did 21 William St last sell?
No public-record sale is on file for 21 William St.
What is the current tax assessment for 21 William St?
The most recent total assessment for 21 William St (year 2024) is $469,700 with $7,050 in property tax.
When was 21 William St built?
21 William St was built in 1900.
How does 21 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 21 William St?
21 William St is a 5 bed, 2 bath, 2,260 sqft, 9,583 sqft lot multi_family.
Is 21 William St a flip candidate?
No — 21 William St does not appear in our flips dataset.
Is 21 William St a tax-appeal candidate?
No — 21 William St 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
+2.0%
Implied 1-yr
+8.0%
2026 Q3
$708.3K
2026 Q4
$720.9K
ZIP 04103 — Median Price History + Forecast

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