509 Mountain Ave
Williamsport, PA 17702
3 bd 2 ba 2,184 sqft Built 1963 Lot 19,166 sqft single_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
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2026 | $97,120 | $30,000 | $127,120 | $4,046 |
| 2025 | $97,120 | $30,000 | $127,120 | $3,950 |
| 2024 | $97,120 | $30,000 | $127,120 | $3,841 |
| 2023 | $97,120 | $30,000 | $127,120 | $3,855 |
| 2022 | $97,120 | $30,000 | $127,120 | $3,682 |
| 2021 | $97,120 | $30,000 | $127,120 | $3,610 |
| 2020 | $97,120 | $30,000 | $127,120 | $3,610 |
| 2019 | $97,120 | $30,000 | $127,120 | $3,479 |
| 2018 | $97,120 | $30,000 | $127,120 | $3,415 |
| 2017 | $97,120 | $30,000 | $127,120 | $3,156 |
| 2016 | $97,120 | $30,000 | $127,120 | $3,133 |
| 2015 | $97,120 | $30,000 | $127,120 | $3,095 |
| 2014 | $97,120 | $30,000 | $127,120 | $2,917 |
| 2013 | $97,120 | $30,000 | $127,120 | $2,841 |
| 2010 | $97,120 | $30,000 | $127,120 | $2,672 |
| 2009 | $97,120 | $30,000 | $127,120 | $1,108 |
| 2005 | $97,120 | $30,000 | $127,120 | $981 |
Property facts
Year built
1963
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
2,184 sqft
Lot size
19,166 sqft
ZIP code
17702
City
Williamsport
Street
Mountain Ave
Coordinates
41.23355, -76.98478
Comparable properties nearby
Frequently asked questions
When did 509 Mountain Ave last sell?
No public-record sale is on file for 509 Mountain Ave.
What is the current tax assessment for 509 Mountain Ave?
The most recent total assessment for 509 Mountain Ave (year 2026) is $127,120 with $4,046 in property tax.
When was 509 Mountain Ave built?
509 Mountain Ave was built in 1963.
How does 509 Mountain Ave compare to others on Mountain Ave?
We track 8 other properties on Mountain Ave. Browse the list under "Other properties on Mountain Ave" to compare beds, baths, and sale history.
What are the property facts for 509 Mountain Ave?
509 Mountain Ave is a 3 bed, 2 bath, 2,184 sqft, 19,166 sqft lot single_family.
Is 509 Mountain Ave a flip candidate?
No — 509 Mountain Ave does not appear in our flips dataset.
Is 509 Mountain Ave a tax-appeal candidate?
No — 509 Mountain Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-3.0%
Implied 1-yr
-12.1%
2026 Q1
$138.8K
2026 Q2
$133.6K
ZIP 17702 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Ave