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CondominiumResidential

12300 Rosslare Ridge Rd

LUTHERVILLE TIMONIUM, MD 21093
1,499 ft²
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
Built 19995 floors40 units1,493–1,855 ft²
$19M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$499K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$288
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+19.6%vs the Lutherville Timonium ZIP median sale $/ft² ($241)

Sales Performance

$500K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+2.6%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
7.5%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.2%per yeartypical hold 11.6 yrsfrom 43 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19992003200820122015201920232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19992003200820122015201920232026

81 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$401K$450K$499K$548K1,493 ft²1,565 ft²1,638 ft²1,710 ft²1,783 ft²1,855 ft²
Studio
Studio
40 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Studio · 2 ba · 1,496 ft²
4 units
Studio · 2 ba · 1,746 ft²
4 units
Studio · 2 ba · 1,743 ft²
3 units
Studio · 2 ba · 1,505 ft²
2 units
Studio · 2 ba · 1,742 ft²
2 units
Studio · 2 ba · 1,747 ft²
2 units
Studio · 2 ba · 1,831 ft²
2 units
One-off layouts
21 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$401K–$419K
4 units
$423K–$436K
8 units
$451K–$451K
2 units
$473K–$473K
1 unit
$486K–$491K
3 units
$497K–$511K
11 units
$515K–$527K
7 units
$531K–$548K
4 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$293/ft²
Floor 2
$286/ft²
Floor 3
$286/ft²
Floor 4
$287/ft²
Floor 5
$287/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·07
$292/ft²
Line ·03
$291/ft²
Line ·08
$291/ft²
Line ·02
$288/ft²
Line ·06
$287/ft²
Line ·01
$287/ft²
Line ·05
$284/ft²
Line ·04
$283/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.98%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.15%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.9.9 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.67%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.29%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$493,825
Median tax billThe middle annual property tax bill among the building's units.$5,971
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 508Apr 30, 2026$500,000Unit 503Jan 28, 2026$500,000Unit 101Jan 12, 2026$418,000Unit 207Jul 14, 2025$475,000Unit 203Feb 6, 2025$500,000Unit 405Jan 22, 2024$365,000Unit 308Aug 17, 2023$490,000Unit 404Jun 27, 2023$411,000Unit 103Jun 22, 2023$500,000Unit 304Oct 24, 2022$345,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyBaltimore
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Mays Chapel Elementary SchoolA
Elementary · Grades EE–5 · 0.3 mi
H
Dulaney High SchoolA-
High · Grades 9–12 · 2.9 mi
M
Ridgely Middle SchoolB+
Middle · Grades 6–8 · 3.5 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21093These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.40,327
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,908 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,223
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,073
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

12300 Rosslare Ridge Rd # 101
2 ba · 1,496 ft²
$425K
12300 Rosslare Ridge Rd Unit 102
2 ba · 1,700 ft²
$491K
12300 Rosslare Ridge Rd Unit 103
2 ba · 1,717 ft²
$511K
12300 Rosslare Ridge Rd Unit 104
2 ba · 1,493 ft²
$430K
12300 Rosslare Ridge Rd Unit 105
2 ba · 1,496 ft²
$436K
12300 Rosslare Ridge Rd Unit 106
2 ba · 1,716 ft²
$517K
12300 Rosslare Ridge Rd Unit 107
2 ba · 1,683 ft²
$531K
12300 Rosslare Ridge Rd Unit 108
2 ba · 1,506 ft²
$423K
12300 Rosslare Ridge Rd Unit 201
2 ba · 1,495 ft²
$427K
12300 Rosslare Ridge Rd Unit 202
2 ba · 1,748 ft²
$498K
12300 Rosslare Ridge Rd Unit 203
2 ba · 1,742 ft²
$523K
12300 Rosslare Ridge Rd Unit 204
2 ba · 1,505 ft²
$419K
12300 Rosslare Ridge Rd Unit 205
2 ba · 1,496 ft²
$429K
12300 Rosslare Ridge Rd Unit 206
2 ba · 1,746 ft²
$473K
12300 Rosslare Ridge Rd # 207
2 ba · 1,750 ft²
$491K
12300 Rosslare Ridge Rd Unit 208
2 ba · 1,496 ft²
$451K
12300 Rosslare Ridge Rd Unit 301
2 ba · 1,784 ft²
$502K
12300 Rosslare Ridge Rd Unit 302
2 ba · 1,747 ft²
$499K
12300 Rosslare Ridge Rd Unit 303
2 ba · 1,855 ft²
$504K
12300 Rosslare Ridge Rd Unit 304
2 ba · 1,505 ft²
$414K
12300 Rosslare Ridge Rd Unit 305
2 ba · 1,500 ft²
$451K
12300 Rosslare Ridge Rd Unit 306
2 ba · 1,792 ft²
$517K
12300 Rosslare Ridge Rd Unit 307
2 ba · 1,765 ft²
$515K
12300 Rosslare Ridge Rd Unit 308
2 ba · 1,833 ft²
$544K
12300 Rosslare Ridge Rd Unit 401
2 ba · 1,822 ft²
$527K
12300 Rosslare Ridge Rd Unit 402
2 ba · 1,743 ft²
$506K
12300 Rosslare Ridge Rd Unit 403
2 ba · 1,743 ft²
$515K
12300 Rosslare Ridge Rd # 404
2 ba · 1,509 ft²
$436K
12300 Rosslare Ridge Rd Unit 405
2 ba · 1,504 ft²
$401K
12300 Rosslare Ridge Rd # 406
2 ba · 1,746 ft²
$486K
12300 Rosslare Ridge Rd Unit 407
2 ba · 1,747 ft²
$497K
12300 Rosslare Ridge Rd Unit 408
2 ba · 1,829 ft²
$548K
12300 Rosslare Ridge Rd # 501
2 ba · 1,831 ft²
$541K
12300 Rosslare Ridge Rd Unit 502
2 ba · 1,742 ft²
$505K
12300 Rosslare Ridge Rd Unit 503
2 ba · 1,743 ft²
$509K
12300 Rosslare Ridge Rd Unit 504
2 ba · 1,499 ft²
$428K
12300 Rosslare Ridge Rd Unit 505
2 ba · 1,498 ft²
$411K
12300 Rosslare Ridge Rd Unit 506
2 ba · 1,746 ft²
$519K
12300 Rosslare Ridge Rd Unit 507
2 ba · 1,746 ft²
$501K
12300 Rosslare Ridge Rd Unit 508
2 ba · 1,831 ft²
$505K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 12300 Rosslare Ridge Rd

How many units are in 12300 Rosslare Ridge Rd, Lutherville Timonium, MD?

12300 Rosslare Ridge Rd, Lutherville Timonium, MD has 40 residential units across 5 floors, built in 1999, according to county assessor records.

What is a unit at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD worth?

The median TopHap Estimate across the 40 units at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD is $498,789. That works out to $288 per square foot. Units run from 1,493 to 1,855 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 12300 Rosslare Ridge Rd, Lutherville Timonium, MD expensive for Lutherville Timonium?

Units at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD carry a median of $288 per square foot, 20% above the Lutherville Timonium median of $241 per square foot.

How often do units sell at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD?

3 units at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD sold in the last 12 months, out of 81 recorded arms-length sales all time. That is a turnover rate of 7.5% of the building per year. The median sale over that period was $500K.

Have units at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD appreciated?

Across 43 repeat sales of the same unit, 12300 Rosslare Ridge Rd, Lutherville Timonium, MD returned a median 3.2% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 11.6 years.

What floor plans does 12300 Rosslare Ridge Rd, Lutherville Timonium, MD have?

The most common plan at 12300 Rosslare Ridge Rd, Lutherville Timonium, MD is a 0-bedroom of 1,496 square feet, repeated 4 times, with a median estimate of $432,645. TopHap identifies 7 recurring plans in the building.

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