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43.17° N · 79.24° W — St. Catharines & nearby · 613 homes for sale today43.17° N · 79.24° W — 613 homes todayFP: 647-204-6307 | KG 416-451-2592Saved

45.2398° N · 75.7432° W — Barrhaven - Half Moon Bay, Ottawa — MLS® #X13729074

4124 Obsidian St

$649,000

Barrhaven - Half Moon Bay, Ottawa, Ontario K2J 6X9

3
BedroomsBeds
3
BathroomsBaths
1500-2000 sqft1500-2000
SizeSq ft
25 x 69.88 ft
Lot sizeLot

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In short · from the listing record

4124 Obsidian St is a 3-bedroom, 3-bathroom freehold townhouse in Barrhaven - Half Moon Bay, Ottawa, listed for sale at an asking price of $649,000 (MLS® X13729074).

NEW ON THE MARKET | 4124 Obsidian St, Nepean. Welcome to this beautiful home in one of Ottawa's sought-after south-end communities! From the moment you step inside, you're greeted by a bright, warm, and inviting atmosphere with a thoughtfully designed layout that offers comfortable everyday living and plenty of space for entertaining. The home features spacious living areas, a modern and functional kitchen with excellent storage, generously sized bedrooms, and a well-maintained interior throughout. Located in a convenient and growing neighbourhood, you'll be just minutes from parks, schools, shopping, restaurants, public transit, trails, and major roadways, giving you easy access to everything you need while enjoying the comfort of a welcoming community. Whether you're a first-time buyer, growing family, or investor, this property offers an excellent opportunity to own a home in Nepean.

Listing readings

How it measures up

Scores from the listing record and the market around it.

  • 68Good

    Condition score

    6 condition-related facts documented

    Listing age, structured features and disclosed update language; not an inspection.

  • 39Shortfall

    Cash flow quality

    −$685/mo against the cost of owning (20% down, 4.8%, 25 yrs)

    Median of 25 townhouses with 3 bedrooms for lease in Barrhaven - Half Moon Bay right now. Cost of owning counts the mortgage and property tax.

Condition uses listing-record signals, not an inspection.

The data table

Every fact

Everything the board publishes for this home.

Tax
$3,890 / 2025
MLS® number
X13729074
Board
TRREB MLS®
Property Type
Att/Row/Twnhouse
Time on market
Size
1500-2000 sqft
Lot Size
25 x 69.88 ft
Listed on
Parking
1 Attached, 2 Parking

Listing history

Listing activity for 4124 Obsidian St, Ottawa, Ontario

Date StartDate EndList PricePriceEventListing ID
Date StartN/AN/A$649,000N/AFor SaleX13729074

Inside

Room by room

Property

Property Type
Att/Row/Twnhouse
Style
2-Storey
Community
Barrhaven - Half Moon Bay
Municipality
Ottawa

Building

Size
1500-2000 sqft
Construction
Alum Siding

Inside

Bedrooms
3
Bathrooms
3
Bathroom Details
2 × 3pc 2nd, 1 × 2pc Ground
Basement Type
Finished
Kitchens
1

Parking

Driveway
Available
Garage Type
Attached
Garage
1
Additional Parking
1
Total Parking
2

Utilities

Water
Municipal
Cooling
Central Air
Heating Type
Baseboard

Land

Sewer
None
Frontage
25 ft
Depth
69.88 ft
Lot Size
25 x 69.88 ft

Where it sits

The street and the area

Asking prices on the map.

Map and tour

Transit nearby

StationLinesDistance
Barrhaven CentreOC Transpo bus rapid transit: Transitway3 km
MarketplaceOC Transpo bus rapid transit: Transitway3.3 km
StrandherdOC Transpo bus rapid transit: Transitway3.8 km
BeatriceOC Transpo bus rapid transit: Transitway3.8 km
Nepean WoodsOC Transpo bus rapid transit: Transitway4.4 km

The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: OC Transpo schedule data (GTFS) from the City of Ottawa under the Open Government Licence – City of Ottawa, downloaded October 18, 2026. Contains information licensed under the Open Government Licence – City of Ottawa.

Around it

Att/Row/Twnhouse in Barrhaven - Half Moon Bay

Active listings only, today.

Townhouses for sale in Barrhaven - Half Moon Bay right now

For sale now
40
Median asking price
$599K

Middle half: $550K to $629K

New in 7 days
3

19 in 28 days

Price cuts
30%

12 listings

This home is asking 8% above the median, higher than three quarters of them.

See all homes in Barrhaven - Half Moon Bay

Asking prices and counts of the MLS® listings on this site as of today. Asking figures only, never sold or leased prices.

Site report

What the record says

What the City and the conservation authority have on file for this address.

  • ca regulatedNone in rangeNot in Rideau Valley Conservation Authority’s mapped regulated area
  • floodNone in rangeNot in the municipality’s mapped flood area
  • provincial plansNone in rangeOutside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areas
  • wetlandNone in rangeNo mapped wetland within 120 m
  • aggregateOn record2 licensed pits or quarries within 2 km The nearest is 1.3 km away, as mapped.
  • wellsNone in rangeNo recorded oil, gas or salt well within 250 m
  • permitsOn record2 building permits issued within 250 m in the last 2 years Creating 1 new home.
  • airportOn recordNearest airport: 8.3 km
  • water wellsOn record1 water-supply well recorded within 250 m It was drilled for domestic use; 3 test or monitoring holes also recorded. From Ontario’s well records; locations can be approximate. The records do not show how this home gets its water. Wells nearby typically go down about 4.6 m.
  • npriNone in rangeNo facility within 1 km reports pollutant releases to Environment Canada The nearest is City of Ottawa — Trail Road Waste Facility, 2.4 km away. Only facilities above the inventory’s reporting thresholds are listed.
  • fcsiNone in rangeNo federal contaminated site within 1 km The federal inventory covers federal land only; it says nothing about provincial or private sites.
  • electricityOn recordElectricity is distributed here by Hydro Ottawa Limited
  • internet speedOn recordWired internet 50/10 Mbps or faster is listed at this location Fixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (0 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.
  • broadbandOn recordAcross the surrounding area: fibre to the home, cable, DSL internet listed Fibre to the home: Bell, Rogers. Cable: Rogers. DSL: Bell. Fixed wireless: OmniTEC Wireless, Rogers, Storm Internet, Xplore. Mobile: Bell, Rogers, Telus, Vidéotron. Satellite: Xplore. ISED’s list for the surrounding ~25 km² area; check with a provider for this address.

Each record is the map at the home’s location, not an inspection. Confirm anything that matters with the municipality, Rideau Valley Conservation Authority or the record’s publisher.

Contains information licensed under the Open Government Licence – Canada. Contains information licensed under the Open Government Licence – City of Ottawa. Contains information licensed under the Open Government Licence – Ontario.

Lot

Lot area
1,747 sq ft162 m²
Street frontage
25 ft7.6 m
Depth
69.88 ft21.3 m
25 × 69.88 ftOBSIDIAN ST

The area is the frontage multiplied by the depth, so boundaries are approximate. Confirm with a survey before you buy.

Source: the MLS® listing record, measured by MPAC.

Land transfer tax on this home

Ontario land transfer tax
$9,455
Total land transfer tax
$9,455
First-time buyer rebates (Ontario up to $4,000)
−$4,000
Total for first-time buyers
$5,455
See how this is worked out
0.5% on the first $55,000
$275
1.0% from $55,000 to $250,000
$1,950
1.5% from $250,000 to $400,000
$2,250
2.0% from $400,000 to $649,000
$4,980
Ontario total
$9,455

An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.

Schools

Nearest schools

Straight-line distances. Check catchments with the board.

ElementaryEQAO average 2024–25

  • École élémentaire publique Des VisionnairesConseil des écoles publiques de l'Est de l'OntarioFrench-language public · grades JK–6—500 m
  • Wazoson Public SchoolOttawa-Carleton DSBPublic · grades JK–6 · French Immersion75%Grade 6 average700 m
  • St. Benedict Elementary SchoolOttawa Catholic School BoardCatholic · grades JK–6 · French Immersion84%Grade 6 average700 m
  • École élémentaire catholique Sainte-KateriConseil des écoles catholiques du Centre-EstFrench-language Catholic · grades JK–685%Grade 6 average800 m

SecondaryGrade 9 math 2024–25

  • St Joseph High SchoolOttawa Catholic School BoardCatholic · grades 9–12 · French Immersion64%Grade 9 math2.8 km
  • École secondaire publique Pierre-de-BloisConseil des écoles publiques de l'Est de l'OntarioFrench-language public · grades 9–1263%Grade 9 math2.8 km
  • École secondaire catholique Pierre-SavardConseil des écoles catholiques du Centre-EstFrench-language Catholic · grades 9–1276%Grade 9 math3.7 km
  • Longfields Davidson Heights Secondary SchoolOttawa-Carleton DSBPublic · grades 9–12 · French Immersion68%Grade 9 math4.4 km

EQAO: share of students at or above the provincial standard, 2024–25 (Ontario open data). These are the schools nearest this home, not the schools it is assigned to: boundaries change, and some schools take students by application. Confirm with the board before you buy. Contains information licensed under the Open Government Licence – Ontario.

Searches this home is in

Keep looking

The ledger

What it costs to own

Worked out for this home. Change any number.

Price$649,000

A month, all in

$3,285

  • Mortgage$2,961
  • Property tax$324

A planning figure, not a quote.

Land transfer tax

$9,455

$5,455 for first-time buyers.

Rent, similar homes

$2,600

a month, median asking rent of 25 similar homes in Barrhaven - Half Moon Bay.

Community

Who lives around it

Similar homes

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The Keith and Françoise Real Estate TeamEXP REALTY

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