$600,700
- 3 Beds
- 2 Baths
- 1,630 sqft
115 S William St, Mount Prospect, IL 60056
Est. Refi. Payment $4,146/mo*
Refinance Your HomeCurrently Off Market - Sold Apr 24, 2009 for $405,000
Home Value
Trulia Estimate
$601KSince last month
Decreased$1K (-0.2%)Since last year
Increased$57K (+10.3%)Since last sale
Increased$198K (+49%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +108% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $603K |
| July 2026 | $604K |
| June 2026 | $616K |
| May 2026 | $602K |
| April 2026 | $585K |
| March 2026 | $572K |
| February 2026 | $550K |
| January 2026 | $539K |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.05 | Single-Family Home | $405,000 | 01/09/26 | 3 | 1.5 | 1,215 | |
0.13 | Single-Family Home | $585,000 | 08/28/25 | 3 | 2 | 1,300 | |
0.11 | Single-Family Home | $561,500 | 09/12/25 | 3 | 3 | 1,735 | |
0.25 | Single-Family Home | $595,000 | 05/20/26 | 3 | 2 | 1,554 | |
0.13 | Single-Family Home | $511,000 | 08/17/26 | 4 | 2 | 1,118 | |
0.34 | Single-Family Home | $377,000 | 11/05/25 | 3 | 2 | 1,312 | |
0.23 | Single-Family Home | $390,000 | 05/08/26 | 4 | 2 | 1,040 | |
0.42 | Single-Family Home | $510,000 | 10/03/25 | 3 | 2 | 1,338 | |
0.38 | Single-Family Home | $503,000 | 06/23/26 | 3 | 2 | 1,200 | |
0.31 | Single-Family Home | $360,000 | 01/21/26 | 3 | 2 | 1,688 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.01 | $578,800 | 3 | 2.5 | 1,700 | Off Market | |
0.05 | $405,000 | 3 | 1.5 | 1,215 | Recently Sold | |
0.09 | $754,500 | 4 | 3 | 3,200 | Off Market | |
0.10 | $493,800 | 3 | 2 | 1,472 | Off Market | |
0.12 | $404,500 | 2 | 1 | 1,023 | Off Market | |
0.13 | $455,800 | 3 | 2 | 1,300 | Off Market | |
0.09 | $638,800 | 4 | 1.5 | 1,824 | Off Market | |
0.14 | $511,000 | 4 | 2 | 1,118 | Recently Sold | |
0.11 | $592,100 | 3 | 3 | 1,735 | Off Market | |
0.18 | $484,800 | 3 | 2 | 1,544 | Off Market | |
0.19 | $1,050,000 | 5 | 3.5 | 3,000 | Recently Sold | |
0.21 | $424,100 | 3 | 2 | 1,120 | Off Market |
Local Information
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Home Highlights
Property Type
Single-Family Home
Year Built
1929
Living Area
1,630 sqft
Price/Sqft
$369
Parking
Garage
About this House
This single-family home is located at 115 S William St, Mount Prospect, IL. 115 S William St is in Mount Prospect, IL and in ZIP code 60056. This property has 3 bedrooms, 2 bathrooms and approximately 1,630 sqft of floor space. This property has a lot size of 7405 sqft and was built in 1929.
115 S William St, Mount Prospect, IL 60056 is a 3 bedroom, 2 bathroom, 1,630 sqft single-family home built in 1929. It last sold for $405,000 on Apr 24, 2009. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $600,700, with a rent estimate of $2,920/month.
Home Details for 115 S William St
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Interior Details BasementAtticNumber of Rooms: 6 |
Levels, Entrance, & Accessibility Stories: 1.5 |
Heating & Cooling Air ConditioningCooling System: Central |
Fireplace & Spa Fireplace |
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Exterior Home Features Roof: Shake ShingleExterior: Stone |
Parking & Garage GarageParking: Garage Attached |
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Year Built Year Built: 1929 |
Property Type / Style Property Type: Single Family HomeArchitecture: Bungalow |
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Units in Building: 1 |
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Lot Area: 7405 sqft |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Apr 24, 2009 Source: MRED as distributed by MLS GRID #07169552 | Sold | $405,000 |
Mar 29, 2009 Source: Agent Provided | PriceChange | $419,500 Price decreased by 6% |
Jun 19, 2008 Source: Agent Provided | Listed For Sale | $444,500 |
Jul 24, 2006 Source: N/A | Sold | $455,000 |
Nov 20, 2002 Source: N/A | Sold | $327,000 |
Feb 13, 1997 Source: N/A | Sold | $232,890 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2024 | $9,646 | $346,690 |
Home facts updated by county records
Market trends in Mount Prospect
Last updated July 2026
Avg. sale price
$420K
$18.33KMoM
Sale-to-List Price
100.5%
Price per sq ft
$269
$9MoM
Available listings
124
9MoM
Around this home
What Locals Say about Mount Prospect
At least 376 Trulia users voted on each feature.
84 % Say it's dog friendly
84 % Say car is needed
83 % Say there are sidewalks
81 % Say parking is easy
73 % Say there's holiday spirit
70 % Say kids play outside
69 % Say people would walk alone at night
67 % Say yards are well-kept
66 % Say it's walkable to restaurants
65 % Say it's quiet
58 % Say streets are well-lit
56 % Say they plan to stay for at least 5 years
54 % Say it's walkable to grocery stores
52 % Say there's wildlife
52 % Say neighbors are friendly
42 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 115 S William St
- What is 115 S William St estimated to be worth?Trulia's estimated value for 115 S William St in Mount Prospect, IL is $600,700.
- What is the price history for 115 S William St?115 S William St in Mount Prospect, IL last sold for $405,000 in April 2009.
- Is Mount Prospect a buyer's or seller's market?Mount Prospect is currently a balanced market, based on recent for-sale activity.
- What's the median sale price in Mount Prospect?The median sale price in Mount Prospect is $420K. That is down $18.33K from the prior month.
- Does 115 S William St have air conditioning?Yes, 115 S William St in Mount Prospect, IL has air conditioning.
- How big is the lot at 115 S William St?The lot at 115 S William St in Mount Prospect, IL is about 0.17 acres (7,405 sq ft).