512 Firethorn Rd, King Of Prussia, PA 19406
What's special
Welcome to 512 Firethorn Road, where an incredible King of Prussia location meets exceptional indoor and outdoor living space! Situated on nearly 15,000 square feet of land on one of the largest lots in the neighborhood, this freshly painted 4-bedroom home offers a fantastic combination of space, flexibility, outdoor entertaining, and convenience. If outdoor living is on your wish list, this property delivers! A massive deck stretches across the rear of the home, creating the perfect setting for grilling, entertaining, outdoor dining, or simply relaxing. Beyond the deck, an expansive fenced backyard provides plenty of room for pets, recreation, gardening, and gatherings. Beautifully established gardens, mature landscaping, and colorful seasonal blooms add even more character to this special property. Be sure to check out the seasonal photos to see the gardens in full bloom! Inside, you'll find a bright, freshly painted interior with comfortable living and dining spaces and a kitchen featuring granite countertops, generous cabinetry, and plenty of workspace. Hardwood flooring lies beneath the carpeting, offering an exciting opportunity for the next owner to uncover and showcase the home's original character. The home features four bedrooms, including an expansive upper-level fourth bedroom that could also serve as a private home office, guest retreat, or additional living space. Rough plumbing is already in place for a potential second full bathroom, offering a valuable opportunity to expand the home's functionality. An impressive amount of additional storage space is located above this level. The finished lower level provides even more flexibility, whether you're looking for a family room, home office, playroom, workout area, or hobby space. This level also includes a convenient half bathroom and dedicated laundry and utility area. Major updates include a brand-new heating and air conditioning system, a roof less than five years old, and carpeting installed within the past five years. And the location is hard to beat! Just minutes from King of Prussia Mall, King of Prussia Town Center, Valley Forge National Historical Park, restaurants, shopping, and entertainment, with convenient access to Routes 202 and 422, I-76, and the Pennsylvania Turnpike. With four bedrooms, a finished lower level, hardwood floors beneath the carpeting, plumbing for a potential second full bathroom, a massive entertaining deck, expansive fenced backyard, established gardens, and one of the neighborhood's largest lots, 512 Firethorn Road offers an incredible opportunity to enjoy everything King of Prussia has to offer! Lender-paid one-year interest rate buydown available for qualified buyers, potentially reducing your initial interest rate and monthly mortgage payment. Contact us for additional details!
- 85 days
- 2,823
- 218
Travel times
Living Room
Kitchen
Dining Room
Zillow last checked:
Listing updated:
Mr. Gary A Mercer SR. 484-699-9327,
LPT Realty, LLC 4842220545,
Co-Listing Agent: Mike Patrick Flatley 484-744-9700,
LPT Realty, LLC
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 1
- 1/2 bathrooms: 1
Rooms
- Room types: Living Room, Dining Room, Primary Bedroom, Bedroom 2, Bedroom 3, Kitchen, Family Room, Laundry, Storage Room, Utility Room, Bonus Room, Full Bath, Half Bath
Primary bedroom
- Level: Upper
- Area: 156 Square Feet
- Dimensions: 12 X 13
Bedroom 2
- Level: Upper
- Area: 121 Square Feet
- Dimensions: 11 X 11
Bedroom 3
- Level: Upper
- Area: 99 Square Feet
- Dimensions: 11 X 9
Bonus room
- Level: Upper
- Area: 306 Square Feet
- Dimensions: 17 X 18
Dining room
- Level: Main
- Area: 117 Square Feet
- Dimensions: 13 X 9
Family room
- Level: Lower
- Area: 216 Square Feet
- Dimensions: 18 X 12
Other
- Level: Upper
- Area: 54 Square Feet
- Dimensions: 9 X 6
Half bath
- Level: Lower
- Area: 15 Square Feet
- Dimensions: 3 X 5
Kitchen
- Level: Main
- Area: 108 Square Feet
- Dimensions: 12 X 9
Laundry
- Level: Lower
- Area: 56 Square Feet
- Dimensions: 7 X 8
Living room
- Features: Fireplace - Other
- Level: Main
- Area: 224 Square Feet
- Dimensions: 16 X 14
Storage room
- Level: Upper
- Area: 56 Square Feet
- Dimensions: 4 X 14
Utility room
- Level: Lower
- Area: 99 Square Feet
- Dimensions: 9 X 11
Heating
- Forced Air, Natural Gas
Cooling
- Central Air, Electric
Appliances
- Included: Gas Water Heater
- Laundry: Lower Level, Laundry Room
Features
- Bathroom - Tub Shower, Ceiling Fan(s), Combination Dining/Living, Family Room Off Kitchen, Floor Plan - Traditional, Formal/Separate Dining Room, Upgraded Countertops, Walk-In Closet(s)
- Flooring: Carpet, Wood, Tile/Brick, Hardwood
- Doors: Sliding Glass
- Windows: Window Treatments
- Has basement: No
- Number of fireplaces: 1
- Fireplace features: Brick
Interior area
- Total structure area: 1,847
- Total interior livable area: 1,847 sqft
- Finished area above ground: 1,847
- Finished area below ground: 0
Video & virtual tour
Property
Parking
- Total spaces: 1
- Parking features: Garage Faces Front, Inside Entrance, Asphalt, Attached
- Attached garage spaces: 1
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: None
Features
- Levels: Multi/Split,Two and One Half
- Stories: 2.5
- Patio & porch: Patio, Deck, Porch
- Exterior features: Lighting, Awning(s), Extensive Hardscape
- Pool features: None
- Fencing: Full
Lot
- Size: 0.34 Acres
- Dimensions: 70.00 x 0.00
- Features: Level, Private, Front Yard, Rear Yard, SideYard(s)
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 58000681700
- Zoning: R2
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Traditional
- Property subtype: Single Family Residence
Materials
- Brick
- Foundation: Concrete Perimeter
- Roof: Pitched
Condition
- New construction: No
- Year built: 1955
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Subdivision: Cinnamon Hill
HOA
- Has HOA: No
Location
- Region: King Of Prussia
- Municipality: UPPER MERION TWP
Financial & listing details
- Price per square foot: $298/sqft
- Tax assessed value: $139,930
- Annual tax amount: $5,121
- Date on market: 8/20/2026
- Listing agreement: Exclusive Right To Sell
- Inclusions: Washer, Dryer, Refrigerator
- Ownership: Fee Simple
Price history
| Date | Event | Price |
|---|---|---|
| 10/30/2026 | Price change | $549,900-3.4%$298/sqft |
Source:  Bright MLS #PAMC2190544 Report a problem | ||
| 9/24/2026 | Price change | $569,000-5%$308/sqft |
Source: Bright MLS #PAMC2190544 Report a problem | ||
| 9/2/2026 | Price change | $599,000-4.2%$324/sqft |
Source: Bright MLS #PAMC2190544 Report a problem | ||
| 8/20/2026 | Listed for sale | $625,000+356.2%$338/sqft |
Source: Bright MLS #PAMC2190544 Report a problem | ||
| 7/25/1995 | Sold | $137,000$74/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $4,528 +6.9% | $139,930 |
| 2024 | $4,235 | $139,930 |
| 2023 | $4,235 +6.4% | $139,930 |
| 2022 | $3,981 +3.2% | $139,930 |
| 2021 | $3,858 +2.2% | $139,930 |
| 2020 | $3,775 +4.2% | $139,930 |
| 2019 | $3,624 +1.8% | $139,930 |
| 2018 | $3,560 +3.5% | $139,930 |
| 2017 | $3,439 | $139,930 |
| 2016 | $3,439 +3.8% | $139,930 |
| 2015 | $3,312 +1.6% | $139,930 |
| 2014 | $3,260 +2.2% | $139,930 |
| 2013 | $3,190 +1.3% | $139,930 |
| 2012 | $3,148 +8.3% | $139,930 |
| 2011 | $2,908 +3.8% | $139,930 |
| 2010 | $2,802 +3.1% | $139,930 |
| 2009 | $2,718 +2.9% | $139,930 |
| 2008 | $2,641 +3.1% | -- |
| 2007 | $2,562 +4.1% | -- |
| 2006 | $2,460 +8.5% | -- |
| 2005 | $2,268 +4.6% | -- |
| 2004 | $2,168 +4.3% | -- |
| 2003 | $2,079 +2.3% | -- |
| 2002 | $2,033 +4.4% | -- |
| 2000 | $1,948 +3.4% | -- |
| 1999 | $1,884 | -- |
Monthly payment
Estimated market value
$543,100
$516,000 - $570,000
$3,207/mo
Climate risks
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