21 Mountain Ave
Williamsport, PA 17702
3 bd 1 ba 1,488 sqft Built 1904 Lot 6,970 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
No timeline data
No sale, listing, or tax history is recorded for this property.
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
No tax assessment data
No assessment history available for this parcel.
Property facts
Year built
1904
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
1,488 sqft
Lot size
6,970 sqft
ZIP code
17702
City
Williamsport
Street
Mountain Ave
Coordinates
41.23062, -76.99204
Comparable properties nearby
Frequently asked questions
When did 21 Mountain Ave last sell?
No public-record sale is on file for 21 Mountain Ave.
What is the current tax assessment for 21 Mountain Ave?
No tax-assessment history is recorded for this parcel.
When was 21 Mountain Ave built?
21 Mountain Ave was built in 1904.
How does 21 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 21 Mountain Ave?
21 Mountain Ave is a 3 bed, 1 bath, 1,488 sqft, 6,970 sqft lot single_family.
Is 21 Mountain Ave a flip candidate?
No — 21 Mountain Ave does not appear in our flips dataset.
Is 21 Mountain Ave a tax-appeal candidate?
No — 21 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