Backup offers
#MDHW2056212, Yu Ota Wilson, Listing office: Cummings & Co. Realtors
$1,750,000 List price
12400 Triadelphia Rd Ellicott City, MD 21042
5 beds
4 full, 1 partial
7,961 sqft
7.9 acres
$220 / sqft
House
Property details
About 12400 Triadelphia Rd
Welcome to 12400 Tridelphia Lane, Ellicott City – a private estate that truly has it all. Step into timeless elegance and unmatched comfort at this grand estate home, gracefully situated on nearly 8 wooded acres of pure serenity. From the moment you enter the gated drive, you’ll sense the privacy and prestige that define this exceptional property. Inside, the home is adorned with impeccable taste and luxurious finishes. A dramatic spiral staircase greets you in the grand foyer, setting the tone for spacious living throughout. With multiple family rooms, recreation areas, and not one but two full kitchens on both upper and lower levels, this home is tailor-made for multigenerational living or effortless entertaining. There are bedrooms galore, offering comfort and flexibility for any lifestyle. Outside, nature takes center stage with meandering paths, tranquil ponds, cascading waterfalls, and extensive landscaping that creates a retreat-like setting. Enjoy expansive decks, an irrigated yard for easy maintenance, and a three-car garage. Whether you’re seeking luxury, space, privacy, or a blend of all three, this home must be seen to be believed.
Highlights
Home typeSingle Family Residence
HeatingHeat Pump
StatusActive
(ACTIVE)
(ACTIVE)
CoolingCentral Air
Size7,961 sqft
BasementYes
Lot size7.93 Acres
Year built1993
ParkingGarage - Front Entry, Attached Garage,Driveway
MLS #MDHW2055356
Garage3 spaces
Summary
- Partial Bathrooms: 1
- Full Bathrooms: 4
- Basement: Yes
- Total Bedroom Count: 5
- Garage Space: 3 spaces
- Parking: Garage - Front Entry, Attached Garage,Driveway
- Architectural Style: Transitional
- Heating: Heat Pump
- Cooling: Central Air
- List Price: $1,750,000
- Price/SqFt: $219
- Annual Tax Amount: $15,667
- Tax Year: 2024
- Directions: From Route 32, take Rosemary Ln, follow until you make a left onto Triadelphia Road. The house will be located on the left, up the private road.
- Year Built: 1993
- Stories: 3
- Living Area: 7,961 SqFt
- Lot Size: 7.93 Acres
- MLS Number: MDHW2055356
- MLS Name: BRIGHT
- Office Name: Keller Williams Flagship
- Office Phone: (410) 729-7700
- Listing Agent: Christina J Palmer
- Agent Phone: (443) 938-3379
- Agent Email: c.palmer@kw.com
Information Deemed Reliable But Not Guaranteed. The data relating to real estate for sale on this website appears in part through the BRIGHT Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms in which participates, and is provided by BRIGHT through a licensing agreement.
The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on this website may no longer be available because they are under contract, have sold or are no longer being offered for sale. Some real estate firms do not participate in IDX and their listings do not appear on this website. Some properties listed with participating firms do not appear on this website at the request of the seller. This home sale information is not to be construed as an appraisal and may not be used as such for any purpose.
BRIGHT MLS is the (or a) provider of this home sale information and has compiled content from various sources. Some properties represented may not have actually sold due to reporting errors. ©2025 BrightMLS. All rights reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 8/1/2025, 9:45:40 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
Price information
Property sales
| Date | Event | Price |
|---|---|---|
| Feb 14, 2000 | Home Sold | $419,500 |
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2024 | $1,471,800 | $15,667 |
| 2023 | $1,431,600 | $15,667 |
| 2022 | $1,391,400 | $15,667 |
| 2021 | $1,351,200 | $18,048 |
| 2020 | $1,301,400 | $18,119 |
| 2019 | $1,251,600 | $17,443 |
| 2018 | $1,201,800 | $16,007 |
| 2017 | $1,198,933 | $15,909 |
History based on county public records data.
Nearby schools
9
West Friendship Elementary School
Public District KG-5
1.5 mi
•12500 State Route 144
8
Manor Woods Elementary School
Public District KG-5
1.6 mi
•11575 Frederick Rd
10
Triadelphia Ridge Elementary School
Public District PK-5
2.2 mi
•13400 Triadelphia Rd
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $158,824. Most Ellicott City, MD residents have annual incomes between $100k-200k. The most common type of family is married, no kids. The majority of residents in this area have post secondary degree education.
How much money do the neighbors make?
3%
<35k
21%
35k-100k
43%
100k-200k
33%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
18%
Single, No Kids
5%
Single, with Kids
43%
Married, No Kids
34%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
14%
<11 yrs old
11%
12-17 yrs old
11%
18-34 yrs old
50%
35-64 yrs old
14%
65+ yrs old
What do the neighbors do for fun?
Skiing/snowboarding
PGA/LPGA
Men's Tennis
Where do the neighbors shop?
BJs Wholesale Club
Stein Mart
Bloomingdales
Where do the neighbors go to eat?
Panera
Cracker Barrel
Bob Evans
What do the neighbors drive?
Infiniti
Lexus
Lincoln
What do the neighbors listen to?
Adult Hits
Oldies
News/Talk/Information
All data provided by Home Junction and Claritas
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Frequently asked questions
About 12400 Triadelphia Rd
The listing price of 12400 Triadelphia Rd property is $1,750,000.
The property 12400 Triadelphia Rd is a house located in Ellicott City, Maryland, 21042.
Active Listing: 12400 Triadelphia Rd is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 12400 Triadelphia Rd are: West Friendship Elementary School (GreatSchools Rating 9/10), Manor Woods Elementary School (GreatSchools Rating 8/10), Triadelphia Ridge Elementary School (GreatSchools Rating 10/10), Folly Quarter Middle School (GreatSchools Rating 10/10), Mount View Middle School (GreatSchools Rating 9/10), Burleigh Manor Middle School (GreatSchools Rating 9/10), Marriotts Ridge High School (GreatSchools Rating 10/10), Glenelg High School (GreatSchools Rating 9/10), Homewood School (GreatSchools Rating 1/10).
According to the records, the last property tax for 2024 is $15,667 (source: MLS/based on county public records data).
The last sale was on February 14, 2000 for $419,500 (source: MLS/tax record).
The property at 12400 Triadelphia Rd has 5 bedrooms and 4 full and 1 half bathrooms.
The property 12400 Triadelphia Rd is 7,961 SqFt (source: MLS/tax record).
The year of construction for 12400 Triadelphia Rd is 1993.
This home is located at 12400 Triadelphia Rd in Ellicott City, MD and zip code 21042. This 7,961 square foot home, which was built in 1993, sits on a 7.93 acre lot. Features: 5 bedrooms, 5 bathrooms. It has been listed on Rocket Homes since June 22, 2025 and is currently priced at $1,750,000.
From Rocket Homes Real Estate and based on county public records data.