BOUGHT WITH REDFIN JAN 15, 2026
Off market jan 2026 for $1.6M
$1,703,720
Est. refi paymentEst. refi $4,437/mo
5
bd
•
5.5 ba
•
7,961
sq ft

12400 Triadelphia Rd, Ellicott City, MD 21042

map-entry

About this home

Single-familyProperty Type
1993Year Built
7.93 acresLot Size
$214Est. Price/Sq.Ft.
3 car garageParking
Listed by Carolyn Sappenfield • TTR Sotheby's International Realty
•301-516-1212 (broker)
Listed by Hannah Moholt • TTR Sotheby's International Realty
•703-745-1212 (broker)
Bought with Reggie Harrison • Redfin Corp
•301-658-6186 (broker)
Redfin checked: 3 minutes ago
•Source:BRIGHT MLS #MDHW2061938

Redfin Estimate

$1,703,720
$79K since sold in January 2026$53K since September

This home's estimate is 13.2% higher than the average sale price ($1.50M) of 5 comparable homes.

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Earn from this home

Sell
$318,842
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$5,714/mo
Redfin rental estimate

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Market trends in 21042, MD

Redfin agents who toured

Sale history for 12400 Triadelphia Rd

Tax history for 12400 Triadelphia Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
—
Baths
4.5
Stories
2
Lot width
—
Lot depth
—
Lot size
7.93 Acres
Year renovated
—
Sq. Ft.
7,961
Year built
1993
Style
Single Family Residential
County
Howard County
APN
03 312968
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 4, 2026.

Property details

Around this home

Schools

Triadelphia Ridge Elementary School

Public PreK-5 • Assigned • 2.2mi

9/10
Folly Quarter Middle School

Public 6-8 • Assigned • 2.4mi

9/10
Glenelg High School

Public 9-12 • Assigned • 3.3mi

10/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 104° expected this year, 15 days in 30 years

4/10 Wind Factor

11% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Ellicott City, MD • 21042
Average low and high temperatures (°F)
37
21
42
27
60
38
68
46
72
54
83
63
88
69
80
61
79
58
68
45
57
37
43
27
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

In this area, properties receive around 9.2 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

9.2 hrs
4.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.62M – $1.96M

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Property information provided by BRIGHT MLS when last listed in 2025. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.