CondominiumResidential
12330 Rosslare Ridge Rd
TIMONIUM, MD 21093
1,748 ft²
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
Built 20025 floors40 units1,487–1,829 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.
$488K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$284
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
+17.7%vs the Lutherville Timonium ZIP median sale $/ft² ($241)
Sales Performance
$448K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+7.8%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
5.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.3%per yeartypical hold 10.4 yrsfrom 38 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20022005200920132015201820232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20022005200920132015201820232026
78 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.
Studio
Studio
40 units$488K · $284/ft²
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 · 1,488 ft²
3 units$439K · $295/ft²
Studio · 2 ba · 1,758 ft²
3 units$487K · $277/ft²
Studio · 2 ba · 1,494 ft²
2 units$438K · $293/ft²
Studio · 2 ba · 1,495 ft²
2 units$437K · $292/ft²
Studio · 2 ba · 1,497 ft²
2 units$434K · $290/ft²
Studio · 2 ba · 1,754 ft²
2 units$491K · $280/ft²
Studio · 2 ba · 1,755 ft²
2 units$486K · $277/ft²
Studio · 2 ba · 1,757 ft²
2 units$494K · $281/ft²
Studio · 2 ba · 1,760 ft²
2 units$512K · $291/ft²
Studio · 2 ba · 1,761 ft²
2 units$501K · $284/ft²
One-off layouts
18 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.
$392K–$392K
1 unit
$420K–$427K
5 units
$430K–$447K
5 units
$451K–$462K
3 units
$482K–$486K
3 units
$487K–$504K
14 units
$506K–$518K
6 units
$534K–$543K
3 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
$291/ft²8 units · +3%
Floor 2
$285/ft²8 units · +1%
Floor 3
$285/ft²8 units · +1%
Floor 4
$284/ft²8 units · +0%
Floor 5
$287/ft²8 units · +1%
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 ·05
$293/ft²5 units · +3%
Line ·04
$292/ft²5 units · +3%
Line ·01
$288/ft²5 units · +1%
Line ·03
$287/ft²5 units · +1%
Line ·02
$286/ft²5 units · +1%
Line ·06
$286/ft²5 units · +1%
Line ·07
$282/ft²5 units · -1%
Line ·08
$280/ft²5 units · -1%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.88%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.18%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.11.7 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.75%
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.27%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$503,745
Median tax billThe middle annual property tax bill among the building's units.$6,108
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 403Jun 17, 2026$507,500$288/ft²Unit 108Apr 1, 2026$387,500$260/ft²Unit 505Jun 25, 2025$415,000$279/ft²Unit 405Sep 9, 2024$440,000$296/ft²Unit 207Feb 16, 2023$420,000$239/ft²Unit 408Oct 26, 2022$410,000$226/ft²Unit 203May 20, 2022$425,000$240/ft²Unit 308Apr 12, 2022$449,900$248/ft²Unit 507Jul 16, 2019$425,000$242/ft²Unit 108Apr 29, 2019$315,000$212/ft²
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
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.None
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.
EHM
Mays Chapel Elementary SchoolA
Elementary · Grades EE–5 · 0.5 mi
Dulaney High SchoolA-
High · Grades 9–12 · 2.9 mi
Ridgely Middle SchoolB+
Middle · Grades 6–8 · 3.6 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.
12330 Rosslare Ridge Rd Unit 101
2 ba · 1,494 ft²
12330 Rosslare Ridge Rd Unit 102
2 ba · 1,704 ft²
12330 Rosslare Ridge Rd Unit 103
2 ba · 1,703 ft²
12330 Rosslare Ridge Rd Unit 104
2 ba · 1,494 ft²
12330 Rosslare Ridge Rd # 105
2 ba · 1,495 ft²
12330 Rosslare Ridge Rd Unit 106
2 ba · 1,696 ft²
12330 Rosslare Ridge Rd Unit 107
2 ba · 1,689 ft²
12330 Rosslare Ridge Rd Unit 108
2 ba · 1,488 ft²
12330 Rosslare Ridge Rd Unit 201
2 ba · 1,501 ft²
12330 Rosslare Ridge Rd Unit 202
2 ba · 1,760 ft²
12330 Rosslare Ridge Rd Unit 203
2 ba · 1,769 ft²
12330 Rosslare Ridge Rd Unit 204
2 ba · 1,497 ft²
12330 Rosslare Ridge Rd Unit 205
2 ba · 1,497 ft²
12330 Rosslare Ridge Rd Unit 206
2 ba · 1,757 ft²
12330 Rosslare Ridge Rd Unit 207
2 ba · 1,758 ft²
12330 Rosslare Ridge Rd Unit 208
2 ba · 1,493 ft²
12330 Rosslare Ridge Rd Unit 301
2 ba · 1,814 ft²
12330 Rosslare Ridge Rd Unit 302
2 ba · 1,758 ft²
12330 Rosslare Ridge Rd Unit 303
2 ba · 1,760 ft²
12330 Rosslare Ridge Rd Unit 304
2 ba · 1,488 ft²
12330 Rosslare Ridge Rd Unit 305
2 ba · 1,495 ft²
12330 Rosslare Ridge Rd Unit 306
2 ba · 1,755 ft²
12330 Rosslare Ridge Rd Unit 307
2 ba · 1,752 ft²
12330 Rosslare Ridge Rd Unit 308
2 ba · 1,817 ft²
12330 Rosslare Ridge Rd Unit 401
2 ba · 1,822 ft²
12330 Rosslare Ridge Rd Unit 402
2 ba · 1,755 ft²
12330 Rosslare Ridge Rd # 403
2 ba · 1,761 ft²
12330 Rosslare Ridge Rd Unit 404
2 ba · 1,490 ft²
12330 Rosslare Ridge Rd Unit 405
2 ba · 1,488 ft²
12330 Rosslare Ridge Rd # 406
2 ba · 1,754 ft²
12330 Rosslare Ridge Rd Unit 407
2 ba · 1,754 ft²
12330 Rosslare Ridge Rd Unit 408
2 ba · 1,816 ft²
12330 Rosslare Ridge Rd Unit 501
2 ba · 1,829 ft²
12330 Rosslare Ridge Rd Unit 502
2 ba · 1,748 ft²
12330 Rosslare Ridge Rd Unit 503
2 ba · 1,761 ft²
12330 Rosslare Ridge Rd Unit 504
2 ba · 1,491 ft²
12330 Rosslare Ridge Rd Unit 505
2 ba · 1,487 ft²
12330 Rosslare Ridge Rd Unit 506
2 ba · 1,757 ft²
12330 Rosslare Ridge Rd Unit 507
2 ba · 1,758 ft²
12330 Rosslare Ridge Rd Unit 508
2 ba · 1,810 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 12330 Rosslare Ridge Rd
How many units are in 12330 Rosslare Ridge Rd, Timonium, MD?
12330 Rosslare Ridge Rd, Timonium, MD has 40 residential units across 5 floors, built in 2002, according to county assessor records.
What is a unit at 12330 Rosslare Ridge Rd, Timonium, MD worth?
The median TopHap Estimate across the 40 units at 12330 Rosslare Ridge Rd, Timonium, MD is $488,401. That works out to $284 per square foot. Units run from 1,487 to 1,829 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 12330 Rosslare Ridge Rd, Timonium, MD expensive for Lutherville Timonium?
Units at 12330 Rosslare Ridge Rd, Timonium, MD carry a median of $284 per square foot, 18% above the Lutherville Timonium median of $241 per square foot.
How often do units sell at 12330 Rosslare Ridge Rd, Timonium, MD?
2 units at 12330 Rosslare Ridge Rd, Timonium, MD sold in the last 12 months, out of 78 recorded arms-length sales all time. That is a turnover rate of 5.0% of the building per year. The median sale over that period was $448K.
Have units at 12330 Rosslare Ridge Rd, Timonium, MD appreciated?
Across 38 repeat sales of the same unit, 12330 Rosslare Ridge Rd, Timonium, MD returned a median 3.3% 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 10.4 years.
What floor plans does 12330 Rosslare Ridge Rd, Timonium, MD have?
The most common plan at 12330 Rosslare Ridge Rd, Timonium, MD is a 0-bedroom of 1,488 square feet, repeated 3 times, with a median estimate of $438,535. TopHap identifies 10 recurring plans in the building.
More homes on Rosslare Ridge Rd Unit 502
- 12330 Rosslare Ridge Rd # 108$392K2 ba · 1,488 ft² · Sold $388K · Apr 2026
- 12310 Rosslare Ridge Rd # 104$454K1,494 ft² · Sold Oct 2025
- 12310 Rosslare Ridge Rd # 506$618K1,744 ft² · Sold $600K · Aug 2025
- 12300 Rosslare Ridge Rd # 203$523K2 ba · 1,742 ft² · Sold $500K · Feb 2025
- 12310 Rosslare Ridge Rd # 302$541K1,760 ft² · Sold $510K · Sep 2024
- 12330 Rosslare Ridge Rd # 405$462K2 ba · 1,488 ft² · Sold $440K · Sep 2024
- 12320 Rosslare Ridge Rd # 202$566K2 ba · 1,768 ft² · Sold $557K · Jul 2024
- 12320 Rosslare Ridge Rd # 108$455K2 ba · 1,501 ft² · Sold $435K · Jul 2024
- 12310 Rosslare Ridge Rd # 202$609K1,768 ft² · Sold $610K · Jul 2024
- 12320 Rosslare Ridge Rd # 306$547K2 ba · 1,763 ft² · Sold $526K · Apr 2024
- 12320 Rosslare Ridge Rd # 403$510K2 ba · 1,768 ft² · Sold Oct 2023
- 12300 Rosslare Ridge Rd # 308$544K2 ba · 1,833 ft² · Sold $490K · Aug 2023
Closest homes
- 12330 Rosslare Ridge Rd$427K0 ft · 2 ba · 1,495 ft² · Sold Sep 2006
- 12330 Rosslare Ridge Rd Unit 103$488K0 ft · 2 ba · 1,703 ft²
- 12330 Rosslare Ridge Rd Unit 506$497K0 ft · 2 ba · 1,757 ft² · Sold $390K · Jul 2008
- 12330 Rosslare Ridge Rd Unit 208$437K0 ft · 2 ba · 1,493 ft² · Sold $279K · Dec 2012
- 12330 Rosslare Ridge Rd Unit 304$439K0 ft · 2 ba · 1,488 ft² · Sold $325K · Oct 2017
- 12330 Rosslare Ridge Rd Unit 302$487K0 ft · 2 ba · 1,758 ft² · Sold $237K · Sep 2002
- 12330 Rosslare Ridge Rd Unit 203$493K0 ft · 2 ba · 1,769 ft² · Sold $425K · May 2022
- 12330 Rosslare Ridge Rd Unit 106$518K0 ft · 2 ba · 1,696 ft² · Sold $319K · Jul 2012
More homes in Timonium 21093
- 504 Spring Ave$410K2 ba · 2,272 ft² · Sold $395K · Sep 2026
- 4 Castlebar Ct$399K3 ba · 1,900 ft² · Sold $399K · Sep 2026
- 228 Spring Ave$375K1 ba · 1,347 ft² · Sold $373K · Sep 2026
- 20 Rhodes Pl$440K3 ba · 2,262 ft² · Sold $423K · Sep 2026
- 1208 Scotts Knoll Ct$6M7 ba · 12,477 ft² · Sold $6M · Sep 2026
- 660 Straffan Dr$354K2 ba · 1,459 ft² · Sold $354K · Sep 2026
- 36 Blondell Ct$437K3 ba · 1,900 ft² · Sold $436K · Sep 2026
- 1802 Dulaney Valley Rd$698K3 ba · 2,746 ft² · Sold $698K · Sep 2026
- 103 Springside Dr$440K1 ba · 1,896 ft² · Sold $440K · Sep 2026
- 42 Rhodes Pl$489K3 ba · 2,262 ft² · Sold $489K · Sep 2026
- 8 Ridgefield Rd$531K1 ba · 1,898 ft² · Sold $530K · Sep 2026
- 2 Sedgehill Ct$1.4M3.5 ba · 4,614 ft² · Sold $1.4M · Sep 2026
Assigned schools
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