4512 20 Avenue NW
4512 20 Avenue NW is a house in Montgomery, Calgary, built in 2007 on a 2,994 sq ft lot. The City of Calgary assessed it at $800,000 for 2026, +20.3% over 3 years.
$800,000
2026 assessed value · about $5,320 a year in property tax
Change in assessed value
- 3 years+20.3%
- 5 years+36.4%
- 10 years+28.6%
The change in the City's assessment of the same property, to 2026. Years before the building was finished or before a jump in its value are left out.
Compared with 636 duplexes in Montgomery
Valued above about 45% of duplexes in Montgomery. The typical one is assessed at $819K; this one is about the same.
Similar homes nearby
- 4510 20 Avenue NW$798K · built 2007
- 4518 20 Avenue NW$780K · built 2008
- 4520 20 Avenue NW$728K · built 2008
- 4504 20 Avenue NW$818K · built 2008
- 4502 20 Avenue NW$804K · built 2008
The closest homes of the same kind, built within 8 years of this one and on a lot within 30% of its size. Their middle value is $798K; this one is about the same.
Facts
- Kind of property
- House
- 2025 assessed value
- $817,500
- Year built
- 2007
- Lot size
- 2,994 sq ft
- Zoning
- R-C2,R-CG
- City use code
- R120
Think this value is wrong?
The City of Calgary mails assessment notices each January. During the review period that follows you can ask the City's assessors to look again, and by the deadline printed on your notice you can file a complaint with the Assessment Review Board. Values of similar homes nearby, like the ones above, are the usual starting point. Details are on calgary.ca under property assessment.
Building history
- 2007 · House demolishedBuilding permit
- 2007 · Semi-detached house builtCity assessment records and building permit
Years built from the City's assessment rolls (2020 on), and completed permits for new buildings and demolitions (1999 on). Where they disagree, both are shown.
Permits (5)
- Basement developmentBuilding permit · Jul 2009 · est. $18,620 · completed · BP2009-06885
- GarageBuilding permit · Mar 2008 · est. $13,240 · completed · BP2008-03386
- New semi-detached house, fireplace, porchBuilding permit · Nov 2007 · est. $134,846 · 1 new home · completed · BP2007-16651
- Semi-detached dwelling and building coverage relaxation for accessory building (detached garage)Development permit · Jul 2007 · approved · DP2007-1102
- Demolition (demolition)Building permit · Jan 2007 · completed · BP2006-20037
From the City of Calgary's open data, up to Oct 2026. Costs are the applicant's estimate.
From the City of Calgary's open assessment data. An assessment is the City's estimate of market value on July 1, 2025, for property tax; it is not a sale price. The map also shows building permits, legal suites and homes for sale or rent.