MULTI-GENERATIONAL LIVING AT ITS BEST! Welcome to 640 Ash Street, offering 5 bedrooms, 3 full baths, a possible 6th bedroom, and a private in-law suite with its own separate entrance! This flexible layout provides incredible options for extended family, guests, a home office, or additional living space. The main home features a remodeled kitchen (2016), newer windows, fresh paint, and professionally cleaned carpets. For added convenience, laundry hookups are available on the main level AND within the in-law suite. The outdoor space is just as inviting! Enjoy a fully fenced backyard featuring a deck plus a patio with pergola-perfect for summer entertaining, grilling, or relaxing outdoors. An expanded driveway provides plenty of additional parking. Located on a quiet street with beautiful lush greenery directly across the street, this home offers a peaceful setting while still being close to everything Algonquin has to offer. Major updates include siding and gutters (2016) and roof (2019). If you've been searching for a home with SPACE, FLEXIBILITY, and a true separate in-law living arrangement, this is one you don't want to miss. Schedule your showing today!
Contingent
$445,000
640 Ash St, Algonquin, IL 60102
5beds
2,992sqft
Single Family Residence
Built in 1978
0.25 Acres Lot
$444,600 Zestimate®
$149/sqft
$-- HOA
What's special
- 27 days
- 1,293
- 65
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Nicole Ramirez 815-980-2659,
Keller Williams Inspire - Geneva
Source: MRED as distributed by MLS GRID,MLS#: 12728149
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 3
Rooms
- Room types: Kitchen, Bedroom 5, Den, Recreation Room
Primary bedroom
- Features: Flooring (Carpet), Bathroom (Full)
- Level: Main
- Area: 255 Square Feet
- Dimensions: 15X17
Bedroom 2
- Features: Flooring (Carpet)
- Level: Main
- Area: 168 Square Feet
- Dimensions: 12X14
Bedroom 3
- Features: Flooring (Carpet)
- Level: Main
- Area: 156 Square Feet
- Dimensions: 12X13
Bedroom 4
- Features: Flooring (Carpet)
- Level: Second
- Area: 154 Square Feet
- Dimensions: 11X14
Bedroom 5
- Features: Flooring (Carpet)
- Level: Lower
- Area: 324 Square Feet
- Dimensions: 12X27
Den
- Features: Flooring (Carpet)
- Level: Lower
- Area: 143 Square Feet
- Dimensions: 11X13
Dining room
- Features: Flooring (Laminate)
- Level: Main
- Dimensions: COMBO
Family room
- Features: Flooring (Carpet)
- Level: Second
- Area: 624 Square Feet
- Dimensions: 24X26
Kitchen
- Features: Kitchen (Eating Area-Breakfast Bar, SolidSurfaceCounter, Updated Kitchen), Flooring (Laminate)
- Level: Main
- Area: 270 Square Feet
- Dimensions: 15X18
Kitchen 2nd
- Features: Flooring (Laminate)
- Level: Lower
- Area: 160 Square Feet
- Dimensions: 16X10
Laundry
- Features: Flooring (Laminate)
- Level: Main
- Area: 98 Square Feet
- Dimensions: 14X7
Living room
- Features: Flooring (Laminate)
- Level: Main
- Area: 368 Square Feet
- Dimensions: 16X23
Recreation room
- Features: Flooring (Carpet)
- Level: Lower
- Area: 435 Square Feet
- Dimensions: 29X15
Heating
- Natural Gas, Forced Air
Cooling
- Central Air
Appliances
- Included: Range, Microwave, Dishwasher, Refrigerator, Washer, Dryer, Disposal
- Laundry: Gas Dryer Hookup, Multiple Locations
Features
- In-Law Floorplan
- Flooring: Laminate
- Basement: Finished,Full,Walk-Out Access
- Number of fireplaces: 1
- Fireplace features: Basement
Interior area
- Total structure area: 0
- Total interior livable area: 2,992 sqft
Property
Parking
- Total spaces: 2
- Parking features: Asphalt, Yes, Garage Owned, Attached, Garage
- Attached garage spaces: 2
Accessibility
- Accessibility features: No Disability Access
Features
- Levels: Tri-Level
- Patio & porch: Deck, Patio
- Fencing: Fenced
Lot
- Size: 0.25 Acres
- Dimensions: 173X69X177X51
- Features: Nature Preserve Adjacent, Wooded
Details
- Additional structures: Pergola, Shed(s)
- Parcel number: 1927330025
- Special conditions: None
- Other equipment: Ceiling Fan(s), Sump Pump
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Brick, Cedar
- Foundation: Concrete Perimeter
- Roof: Asphalt
Condition
- New construction: No
- Year built: 1978
Details
- Builder model: EXPANDED
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Sidewalks, Street Lights
HOA
- Services included: None
Location
- Region: Algonquin
Financial & listing details
- Price per square foot: $149/sqft
- Tax assessed value: $408,477
- Annual tax amount: $9,250
- Date on market: 8/8/2026
- Ownership: Fee Simple
Estimated market value
$444,600
$422,000 - $467,000
$3,717/mo
Price history
| Date | Event | Price |
|---|---|---|
| 8/17/2026 | Contingent | $445,000$149/sqft |
Source: | ||
| 8/8/2026 | Listed for sale | $445,000-1.5%$149/sqft |
Source: | ||
| 8/8/2026 | Listing removed | $452,000$151/sqft |
Source: MRED as distributed by MLS GRID #12703274 Report a problem | ||
| 7/24/2026 | Contingent | $452,000$151/sqft |
Source: | ||
| 7/17/2026 | Price change | $452,000-5.8%$151/sqft |
Source: | ||
| 7/14/2026 | Listed for sale | $480,000+209.7%$160/sqft |
Source: | ||
| 2/26/2016 | Sold | $155,000-8.8%$52/sqft |
Source: | ||
| 1/18/2016 | Pending sale | $170,000$57/sqft |
Source: CENTURY 21 Roberts and Andrews #08869710 Report a problem | ||
| 10/9/2015 | Price change | $170,000-5.6%$57/sqft |
Source: CENTURY 21 Roberts and Andrews #08869710 Report a problem | ||
| 8/12/2015 | Price change | $180,000-2.7%$60/sqft |
Source: CENTURY 21 Roberts and Andrews #08869710 Report a problem | ||
| 5/20/2015 | Price change | $185,000-5.1%$62/sqft |
Source: CENTURY 21 Roberts and Andrews #08869710 Report a problem | ||
| 4/21/2015 | Price change | $195,000-9.3%$65/sqft |
Source: CENTURY 21 Roberts and Andrews #08869710 Report a problem | ||
| 3/26/2015 | Listed for sale | $215,000+2.4%$72/sqft |
Source: CENTURY 21 Roberts and Andrews #08869710 Report a problem | ||
| 10/3/2012 | Listing removed | $210,000$70/sqft |
Source: CENTURY 21 Roberts and Andrews #07915875 Report a problem | ||
| 12/17/2011 | Price change | $210,000-8.7%$70/sqft |
Source: CENTURY 21 Roberts and Andrews #07915875 Report a problem | ||
| 10/28/2011 | Price change | $229,900-2.1%$77/sqft |
Source: CENTURY 21 Roberts and Andrews #07915875 Report a problem | ||
| 10/3/2011 | Listed for sale | $234,900+6.8%$79/sqft |
Source: CENTURY 21 Roberts and Andrews #07915875 Report a problem | ||
| 2/18/2011 | Listing removed | $220,000$74/sqft |
Source: CENTURY 21 Roberts and Andrews #07136280 Report a problem | ||
| 4/5/2010 | Price change | $220,000-8.3%$74/sqft |
Source: CENTURY 21 Roberts and Andrews #07136280 Report a problem | ||
| 12/2/2009 | Price change | $240,000+13233.3%$80/sqft |
Source: CENTURY 21 Roberts and Andrews #07136280 Report a problem | ||
| 10/14/2009 | Price change | $1,800-99.3%$1/sqft |
Source: CENTURY 21 Roberts and Andrews #07136299 Report a problem | ||
| 9/15/2009 | Price change | $240,000+13233.3%$80/sqft |
Source: CENTURY 21 Roberts and Andrews #07136299 Report a problem | ||
| 9/1/2009 | Price change | $1,800-99.3%$1/sqft |
Source: CENTURY 21 Roberts and Andrews #07136299 Report a problem | ||
| 8/29/2009 | Price change | $240,000+13233.3%$80/sqft |
Source: CENTURY 21 Roberts and Andrews #07136299 Report a problem | ||
| 8/14/2009 | Listed for sale | $1,800$1/sqft |
Source: CENTURY 21 Roberts and Andrews #07136299 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $9,250 +7.5% | $136,159 +8.1% |
| 2024 | $8,601 +6.3% | $125,945 +11.8% |
| 2023 | $8,090 -1.7% | $112,642 +5.3% |
| 2022 | $8,232 +4.6% | $106,994 +7.3% |
| 2021 | $7,869 +2.9% | $99,678 +3.7% |
| 2020 | $7,646 | $96,149 +4.5% |
| 2019 | -- | $92,027 +8.3% |
| 2018 | $7,055 -4.4% | $85,013 +6.1% |
| 2017 | $7,378 -6.6% | $80,088 +6.6% |
| 2016 | $7,899 | $75,115 +1.8% |
| 2013 | $7,899 | $73,809 -14.7% |
| 2011 | -- | $86,517 -6.4% |
| 2010 | -- | $92,462 -9.4% |
| 2009 | -- | $102,010 |
| 2008 | -- | $102,010 +8.2% |
| 2006 | -- | $94,255 +4.9% |
| 2005 | $5,869 +12.6% | $89,870 +7% |
| 2004 | $5,212 +3.6% | $84,022 +7.5% |
| 2003 | $5,029 +5% | $78,196 +7% |
| 2002 | $4,791 +2.3% | $73,080 +5.7% |
| 2001 | $4,681 +5.7% | $69,113 +3.7% |
| 2000 | $4,428 | $66,647 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 60102
Nearby schools
Schools provided by the listing agent
- Elementary: Eastview Elementary School
- Middle: Algonquin Middle School
- High: Dundee-Crown High School
- District: 300
Source: MRED as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.



