421 Twin Arch Road

Closed 7/31/17

Sold

Last Sold Price

$495,000

4 beds3 baths2,912 sqft$170/sqft

421 Twin Arch Rd, Mount Airy, MD 21771

Single FamilyProperty Type

6.55 acresLot Size

1990Year Built

$170/sq ftPrice per sq ft

4 carsParking Spaces

Description

Wooded hilltop oasis offering lots of privacy on 6 acres in Howard County School district. Fresh paint, new carpet, master walk in closet, and a built-in hot tub are just a few of the many features in this home. Remodeled kitchen open to the family room provides great entertaining space. 2 new heat pumps 2015. Detached garage w/ mechanic's lift adds 2+ parking spaces. Full bath rough in/basement!Wooded hilltop oasis offering lots of privacy on 6 acres in Howard County School district. Fresh paint, new carpet, master walk in closet, and a built-in hot tub are just a few of the many features in this home. Remodeled kitchen open to the family room provides great entertaining space. 2 new heat pumps 2015. Detached garage w/ mechanic's lift adds 2+ parking spaces. Full bath rough in/basement!

Listed by: Gary R Ahrens 410.978.6541 gary.ahrens@kw.com • Keller Williams Realty Centre
Listed by: Kathleen A Ahrens 301.910.1691 kathy.ahrens@kw.com • Keller Williams Realty Centre

Listing closed: 07/31/2017 12:00 AM • Source: BRIGHT, MLS#: 1000012642

Recent comparable sales

Median sold price

$575,000

Avg days on market

Sale-to-list ratio

97.5%

1/66

$645,000

Sold 07/22/25

4
Bedrooms: 3
Bathrooms: 2,922
Square Feet: 0.15
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1313 Quarterstaff Trail, Mount Airy, MD 21771

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Bedrooms: 3
Bathrooms: 2,824
Square Feet: 0.44
Acres

211 Sunset Avenue, Mount Airy, MD 21771

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Bedrooms: 4
Bathrooms: 2,914
Square Feet: 0.16
Acres

1402 Crossbow Road, Mount Airy, MD 21771

a view of house with outdoor space and deck

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Bedrooms: 3
Bathrooms: 2,476
Square Feet: 0.45
Acres

709 East Ridgeville Boulevard, Mount Airy, MD 21771

a view of house in front of a big yard with large trees

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Bedrooms: 3
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Square Feet: 0.39
Acres

307 Bellview Avenue, Mount Airy, MD 21771

a front view of a house with a yard and garage

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Bedrooms: 2
Bathrooms: 2,918
Square Feet: 0.61
Acres

3000 Flag Marsh Road, Mount Airy, MD 21771

1/58

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4
Bedrooms: 3
Bathrooms: 2,400
Square Feet: 0.18
Acres

211 Carroll Avenue, Mount Airy, MD 21771

1/63

$589,900

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4
Bedrooms: 2
Bathrooms: 2,542
Square Feet: 0.34
Acres

1002 North Main Street, Mount Airy, MD 21771

1/61

$540,000

Sold 10/22/25

4
Bedrooms: 3
Bathrooms: 1,840
Square Feet: 0.15
Acres

909 Kingsbridge Terrace, Mount Airy, MD 21771

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Location

Listing Courtesy of Keller Williams Realty Centre

Sold By Long & Foster Real Estate, Inc.

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$3,104 per month

30 year fixed, 6.55% Interest

Principal and Interest

$2,516

Property Taxes

$588

HOA Dues

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Property Information for 421 Twin Arch Road

Property Details

Taxes: $7,060 / year
MLS Type: Residential / Fee Simple
County: Howard County
Tax ID Number: 1404329287
Ownership: Fee Simple
Condo Coop Association: No
HOA: No
Structure Type: Detached
Style: Colonial
Levels/Stories: 3+
Waterfront: No
Garage: Yes
Expected On Market Date: 04-10-2017
Subdivision: HOLLIFIELD ESTATES
Subdivision: HOLLIFIELD ESTATES (HOWARD MD)
Total Parking Spaces: 4
Central Air: Yes
Basement: Yes
Above Grade Finished SQFT: 2,912.00
Above Grade Fin SQFT Source: Estimated
New Construction: No
Property Condition: Very Good

Building Information

Year Built: 1990
Lot Size: 6.55 AC / 285,318 SF

Location

School District Name: HOWARD COUNTY PUBLIC SCHOOL SYSTEM
School District County ID: 121139568958

Elementary School: LISBON (HOWARD MD)
Middle Or Junior School: GLENWOOD (HOWARD MD)
High School: GLENELG (HOWARD MD)
County: HOWARD

Waterfront / Water Access

Water View: No
Water Access: No

Water Oriented: No
Navigable Water: No
Tidal Water: No
Riparian Rights Y/N: No

Association / Community Info

Senior Community: No

Taxes and Assessment

Tax Year: 2016
Tax Assessed Value: $511,500

Year Assessed: 2017
County Tax: $5,872
Improvement Assessed Value: $284,900
Land Assessed Value: $226,600
Special Assessment Pymnt: Annually
Refuse Fee: $210
Zoning: RCDEO
Tax Lot: 1

Lease Information

Concessions: Yes
Concessions Amount: $5,000

Rooms

Main

# Bedrooms Count Main Level: 0
# Bathrooms Count Main Level: 1

# Bathrooms Full Main Level: 0
# Bathrooms Half Main Level: 1

Upper Level 1

# Bedrooms Count Upper Level: 4
# Bathrooms Count Upper Level: 2

# Bathrooms Full Upper Level: 2
# Bathrooms Half Upper Level: 0

Lower Level 1

# Bedrooms Lower Level: 0
# Bathrooms Full Lower Level: 0

# Bathrooms Half Lower Level: 0

Rooms

Room List: Living Room, Dining Room, Primary Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Family Room, Laundry
Stories: Lower 1, Main, Upper 1

Building Info

Total Finished SQFT: 2,912.00
Total Finished SQFT Source: Estimated

Tax Total Finished SQFT: 2,912.00
Total Finished SQFT Units: Square Feet
Total SQFT: 2,912.00
Total SQFT Source: Estimated
Construction Materials: Combination, Brick
Roof: Asphalt
Ext Main Mid-res: http://bright-media.brightmls.com/bright/images/0000/3005/7518/0475/300575180475_512_384_WM_iqJsrbYufRDRa7RP.jpg
Basement Type: Outside Entrance, Side Entrance, Unfinished
Room and Floor: Bathrooms Half-Main Level-1, Bedrooms-Upper Level 1-1, Bedrooms-Upper Level 1-2, Bedrooms-Upper Level 1-3, Bedrooms-Upper Level 1-4, Bathrooms Full-Upper Level 1-1, Bathrooms Full-Upper Level 1-2
# Bathrooms Full: 2
# Bathrooms Half: 1
Property Attached Y/N: false
Other Structure: Other

Lot / Land Information

Lot Size Area: 285,318.00
Parcel ID: 15380636

Parking

Type Of Parking: Attached Garage, Detached Garage
Total Garage Spaces: 4

Parking Features: Attached, Detached, Garage
Garage Features: Garage Door Opener, Garage - Side Entry, Garage - Front Entry

Interior Features

Interior Features: Dining Area, Built-Ins, Upgraded Countertops, Primary Bath(s), Wood Floors, Floor Plan - Traditional
Fireplace: Yes

Fireplaces Count: 1
Appliances: Dishwasher, Cooktop, Microwave, Oven - Double, Refrigerator
Accessibility Features: None
Security Features: Security System
Door Features: Six Panel
Virtual Tour URL Unbranded: http://properties.houselens.com/55501/421-Twin-Arch-Rd--Mount-Airy-MD-21771

Exterior Features

Pool: No Pool
Pool Private: No

Utilities

Heating: Yes
Cooling: Yes

Cooling Type: Central A/C
Cooling Fuel: Electric
Heating Type: Heat Pump(s), Wood Burn Stove, Zoned
Heating Fuel: Electric, Wood
Hot Water: Electric
Water Source: Well
Sewer Septic: Septic Exists

Confidential Data

Listing Office

List Agent AOR: Howard County Association of REALTORS
List Agent URL: www.ahrensteam.com

Property History for 421 Twin Arch Road

Date	Event & Source	Price	Appreciation
Jul 31, 2017	Closed BRIGHT #1000012642	$495,000	—
Jul 28, 2017	Closed (Public Record) Public Record #602808070	$495,000	—
Jun 29, 2017	Pending BRIGHT #1000012642		—
Apr 6, 2017	Listed (Active) BRIGHT #1000012642	$549,000	—
Nov 9, 1993	Withdrawn BRIGHT #1005514520	$229,900	—
Nov 9, 1993	Listed (Active) BRIGHT #1005514520	$229,900	—

Date	Event & Source	Price
07/31/2017	Closed BRIGHT #1000012642	$495,000
07/28/2017	Closed (Public Record) Public Record #602808070	$495,000
06/29/2017	Pending BRIGHT #1000012642	—
04/06/2017	Listed (Active) BRIGHT #1000012642	$549,000
11/09/1993	Withdrawn BRIGHT #1005514520	$229,900
11/09/1993	Listed (Active) BRIGHT #1005514520	$229,900

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 421 Twin Arch Road

Taxable ValueLand-Additions-Total-

Tax Record2025$8,961 ($747 / month)

Home Facts

Beds0Baths2.5Total Finished SqFt2,912 SqFtAbove Grade Finished SqFt2,912 SqFtStories2Lot Size285,318 SqFtStyleSingle Family ResidenceYear Built1990Year Renovated1990ZoningRCDEOCountyHOWARDAPN04-329287

Schools near 421 Twin Arch Road

This home is within Howard County Public Schools.


Rating	School	Type	Grades	Distance
9/10	Lisbon Elementary School	Public - Serves this home	K to 5	3.9 mi
10/10	Glenwood Middle School	Public - Serves this home	6 to 8	7.2 mi
10/10	Glenelg High School	Public - Serves this home	9 to 12	9.1 mi
NR	Applications And Research Laboratory	Public - Choice school	9 to 12	15.5 mi
2/10	Homewood School	Public - Choice school	6 to 12	15.5 mi
NR	Cedar Lane Special Center	Public - Choice school	PK to 12	18.3 mi
NR	Cornerstone Academy	Private - Nearby school	6 to 12	0.6 mi
NR	Friends Meeting School	Private - Nearby school	K to 12	0.9 mi


Rating	School	Distance
9/10	Lisbon Elementary School PublicK to 5 Serves this home	3.9 mi
10/10	Glenwood Middle School Public6 to 8 Serves this home	7.2 mi
10/10	Glenelg High School Public9 to 12 Serves this home	9.1 mi
NR	Applications And Research Laboratory Public9 to 12 Choice school	15.5 mi
2/10	Homewood School Public6 to 12 Choice school	15.5 mi
NR	Cedar Lane Special Center PublicPK to 12 Choice school	18.3 mi
NR	Cornerstone Academy Private6 to 12 Nearby school	0.6 mi
NR	Friends Meeting School PrivateK to 12 Nearby school	0.9 mi

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Nearby home values

Address	Sold price	Beds	Baths	Sqft	Lot (Sqft)
This home: 421 Twin Arch Road, Mount Airy, MD 21771	$495,000	4	3	2,912	285,318
429 Twin Arch Road, Mount Airy, MD 21771	$325,000	4	3	1,938	36,551
3904 Twin Arch Road, Mount Airy, MD 21771	–	–	2	1,676	699,138
3901 Twin Arch Road, Mount Airy, MD 21771	$430,000	3	2	1,080	148,191
4100 Twin Arch Road, Mount Airy, MD 21771	$83,000	–	–	–	21,170
3903 Twin Arch Road, Mount Airy, MD 21771	$475,000	3	3	1,716	51,357
449 Twin Arch Road, Mount Airy, MD 21771	$245,000	2	1	699	40,510
3921 Twin Arch Road, Mount Airy, MD 21771	$310,000	–	2	1,512	–
3934 Twin Arch Road, Mount Airy, MD 21771	–	–	1	1,404	64,033
3915 Twin Arch Road, Mount Airy, MD 21771	$160,000	4	1	–	61,855
17830 Old Frederick Road, Mount Airy, MD 21771	–	–	2.5	3,500	236,966
2303 Back Acre Circle, Mount Airy, MD 21771	$500,000	–	2	2,395	–
3949 Twin Arch Road, Mount Airy, MD 21771	$350,000	5	3	4,072	159,865
17820 Old Frederick Road, Mount Airy, MD 21771	$540,000	4	4	2,500	187,308
3851 Twin Arch Road, Mount Airy, MD 21771	$275,000	–	–	–	144,619
3927 Twin Arch Road, Mount Airy, MD 21771	$85,000	–	–	2,400	–

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Listing Courtesy of Keller Williams Realty Centre

© 2026 Bright MLS. All rights reserved. All information is deemed reliable, but accuracy is not guaranteed. Listing information is from various brokers who participate in IDX and not all listings may be visible on the site. The property information being provided is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated on 08/27/2022 05:00 AM

Mount Airy, MD

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