512 Firethorn Rd, King Of Prussia, PA 19406
What's special
Welcome to 512 Firethorn Road, where an incredible King of Prussia location meets the kind of outdoor space that is becoming nearly impossible to find. Situated on nearly 15,000 square feet of land on one of the largest lots in the neighborhood, this move-in-ready 4-bedroom home offers an exceptional combination of indoor living space, outdoor entertaining, storage, and convenience. If a large backyard and outdoor entertaining space are on your wish list, this one delivers. A massive deck stretches across the rear of the home, creating an incredible setup for outdoor dinners, grilling, parties, entertaining, or hosting friends and family. Beyond the deck is an expansive fenced backyard with plenty of room for kids, pets, games, gardening, a future fire pit, or simply enjoying your own private outdoor space. The established gardens make the property even more special. Years of care have created mature garden beds filled with flowering plants, trees, and colorful blooms that transform throughout the seasons. From vibrant spring flowers to lush summer gardens, this is landscaping and character that simply can't be created overnight. Be sure to check out the seasonal photos to see the gardens in full bloom! Inside, the freshly painted, move-in-ready interior is filled with natural light. Hardwood flooring lies beneath the carpeting, offering the next owner even more potential to personalize the home. The main level offers comfortable living and dining spaces plus a kitchen with generous cabinetry, granite countertops, and plenty of workspace. The home features four bedrooms, including an expansive upper-level fourth bedroom offering flexibility as a bedroom, home office, guest space, or private retreat. Plumbing is directly accessible to this level, creating exciting potential for another full bathroom in the future. Above it is an impressive amount of additional storage. The finished lower level adds even more flexible living space for a family room, home office, playroom, workout area, hobby room, or combination of uses, along with a convenient half bath and dedicated laundry/utility area. Recent Updates include: Brand New Heating/AC System, Roof & Carpeting less than 5 years old. And then there's the location. You're minutes from King of Prussia Mall, King of Prussia Town Center, Valley Forge National Historical Park, restaurants, shopping, entertainment, Routes 202 and 422, I-76, PA Turnpike making commuting and everyday life incredibly convenient. Four bedrooms. Nearly 15,000 square feet of property. One of the neighborhood's largest lots. A huge entertaining deck. Expansive fenced backyard. Established gardens. Move-in-ready interior. Flexible finished space. Exceptional storage. And an unbeatable location in the heart of King of Prussia. 512 Firethorn Road offers the space to spread out, the backyard to bring everyone together, and the location to put everything within reach. Lender paid 1 year rate buy-down for qualified buyers, potentially reducing your interest rate and monthly payment. Reach out for more details!
- 39 days |
- 1,626 |
- 123 |
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: Wood, Tile/Brick, Carpet
- 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: 1,375
- Finished area below ground: 472
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: $308/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 |
|---|---|---|
| 9/24/2026 | Price change | $569,000-5%$308/sqft |
Source: | ||
| 9/2/2026 | Price change | $599,000-4.2%$324/sqft |
Source: | ||
| 8/20/2026 | Listed for sale | $625,000+356.2%$338/sqft |
Source: | ||
| 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 | -- |
Find assessor info on the county website
Monthly payment
Estimated market value
$560,300
$532,000 - $588,000
$3,204/mo
Climate risks
Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.