Market Intelligence · PA / Allentown

Allentown, PA 18109 Housing Market

Homes in Allentown 18109 are currently valued at a typical $271,250, up 3.9% over the past year. The median list price stands at $264,950, with homes spending a median of 31 days on the market.

Updated September 2026Median value$271K

The median home value in Allentown, PA 18109 is $271K as of September 2026, up 3.9% year over year, according to Zillow ZHVI. Get your own home's value and a real cash offer in about two minutes, with sources shown and no obligation.

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Typical 18109 range

$250K to $293K

This is an automated estimate, not an appraisal. Actual value is determined by current market conditions and professional evaluation. It is provided for informational purposes only and is not an offer to buy or a promise of value.

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12-month value trend

+3.9% over 12 months

Sep 2025$261K

Low $261KHigh $271K

Sep 2026$271K

The numbers

What is the 18109 housing market like?

As of September 2026

Typical home value

$271K

3.9%YoY

Median list price

$265K

1.9%MoM

Days on market

19.2%MoM

Homes for sale

6.7%MoM

Price cuts

3.3%

57.3%MoM

New listings

12.5%MoM

Sources · Zillow ZHVI (September 2026) / Realtor.com (September 2026) / FRED (October 2026)

The outlook

18109 housing market forecast 2027

+2.6%

Zillow forecast, 12 months to September 2027

Zillow forecasts typical home values in 18109 to rise 2.6% by September 2027.

Over the 12 months through September 2026, typical home values in 18109 rose 3.9%, per the Zillow Home Value Index.

Will home prices drop in 18109?

Zillow's forecast does not call for a drop: it expects typical home values in 18109 to rise 2.6% by September 2027, after a 3.9% rise over the past 12 months. Forecasts are not guarantees: mortgage rates, inventory, and the wider economy can move values either way.

Forecast: Zillow Home Value Forecast, published October 2026. A forecast, not a guarantee.

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The comparison

How do 18109 home prices compare?

18109$271,250
Allentown$292,419
Pennsylvania$236,800
United States$285,347

Median Zillow home value (ZHVI), as of September 2026. Comparison levels are medians across every ZIP code with Zillow data (Allentown: 6 ZIPs; Pennsylvania: 1,362 ZIPs; United States: 26,262 ZIPs).

Context

There are 16 homes for sale in 18109 as of September 2026, with 14 new listings coming to market recently. The median list price of $264,950 aligns closely with the typical home value of $271,250. Homes are moving at a moderate pace, spending 31 days on the market on average. Only 3.3% of listings have seen a price cut, suggesting most sellers have priced their homes competitively. For homeowners considering a sale, the steady appreciation and low proportion of price reductions indicate a reasonable market to work with.

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Common questions

What people ask us.

How much is a home in 18109 worth?

The typical home value in Allentown 18109 is $271,250 as of September 2026, representing an increase of 3.9% over the past year.

How long do homes typically stay on the market in 18109?

Homes in this area have a median days on market of 31 as of September 2026.

How many homes are currently for sale in 18109?

There are 16 homes for sale in 18109 as of September 2026, with 14 new listings.

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