110 properties · Mount Roskill, Auckland

Keystone Avenue, Mount Roskill

Keystone Avenue in Mount Roskill has 110 properties, valued by the council between $270,000 and $1,750,000 with a median of $520,000 (Mount Roskill: $1,075,000). Most of its homes were built in the 2000s. We estimate its homes at a median $580,000. 2 sold in the last twelve months. The highest sale in 2026 was 1L/3 Keystone Avenue, at $450,000.

$520kmedian council valuation
$580kour median estimate
2sold in the last 12 months
2000median year built
AucklandMount Roskill ×Keystone Avenue ×

110 properties on Keystone Avenue, Mount Roskill

Highest and lowest on Keystone Avenue

Highest-valued home31 Keystone Avenue$1,750,000council valuation · 4 bed · 200 m² floor · 1,023 m² land
Lowest-valued home1K/3 Keystone Avenue$270,000council valuation · 1 bed · 32 m² floor
Highest sale in 20261L/3 Keystone Avenue$450,000sold 27 Feb 2026 · 2 bed · 59 m² floor

Property values on Keystone Avenue

The council values Keystone Avenue's 107 rated properties between $270,000 and $1,750,000. The middle half sit between about $390,000 and $995,000; the median is $520,000 and the mean $728,178.

Lowest: $270k$270kLowest10%: $326k20%: $370k20%30%: $410k40%: $430k40%Median: $520k60%: $836k60%70%: $940k80%: $1.05m80%90%: $1.35mHighest: $1.75m$1.75mHighest
BedroomsHomesMedian council valueSold, last 12 monthsMedian sale
136$370k1—
225$490k1—
328$940k0—
412$1.2m0—
5+5$1.55m0—

Council rating valuations: the council's figure for apportioning rates, not a market appraisal.

Keystone Avenue compared with Mount Roskill

Keystone Avenue's median council value is 52% below Mount Roskill's.

Keystone AvenueMount RoskillAuckland
Median council value$520k$1.07m$1.07m
Sold in the last 12 months1.8%2.8%3.6%
Time between sales7.3 yrs10.0 yrs8.9 yrs
Median section492 m²501 m²607 m²
Median year built200019701980
Council value per m² of floor$8k$8k$8k

Keystone Avenue house prices over time

Median sale price by year; 2026 is the year so far. A year with fewer than two sales has no bar.

2016: $909k (2 sales)$909k20162017: $360k (3 sales)2018: $421k (10 sales)20182019: $500k (5 sales)2020: $415k (9 sales)20202021: $538k (6 sales)2022: $991k (8 sales)$991k20222023: $965k (2 sales)2024: $485k (4 sales)20242025: too few sales to say (1 sale)2026: $325k (2 sales, this year so far)$325k2026
Sales by year as a table
YearSalesMedian pricePer m² floor
20262$324,500$6,923
20251$1,111,000$10,383
20244$485,000$9,578
20232$965,000$12,356
20228$991,000$9,025
20216$537,500$10,597
20209$415,000$8,696
20195$500,000$8,696
201810$420,500$8,462
20173$360,000$7,826
20162$909,000$10,790

Recent sales on Keystone Avenue

The homes on Keystone Avenue

Keystone Avenue has 56 apartments, 32 houses and 22 units and townhouses. Most were built in the 2000s (53%).

1920s: 14 (14 homes)141930s: 4 (4 homes)1930s1940s: 5 (5 homes)1960s: 3 (3 homes)1960s1970s: 7 (7 homes)1980s: 4 (4 homes)1980s1990s: 8 (8 homes)2000s: 56 (56 homes)562000s2010s: 1 (1 home)2020s: 4 (4 homes)42020s

How long owners stay on Keystone Avenue

Homes on Keystone Avenue that resold in the last five years had been held a median 7.3 years (Mount Roskill: 10.0 years).

Time between a home's sales, for 14 resales in the last five years. A home not sold since our records begin is not counted, so owners who stay longest are under-represented.

Building and resource consents on Keystone Avenue

5building consents in the last 5 years
5resource consents in the last 5 years
  • 2 Keystone Avenue1 Sept 2025 · Building consentRbw - res new build / of 1 new dwg - lot 7 / 1 household unit of 3 stories of 4 bedrooms & 3.5 bathrooms & dbl (internal) gge & retaining wall & sw tank & private draina
  • 2 Keystone Avenue1 Sept 2025 · Building consentRbw - lot 1 - new three storey dwg with five bdrm, 4.5 bathrm, single gge, retaining wall, sw tanks & private drainage.
  • 2A Keystone Avenue1 Sept 2025 · Building consentRbw - res new build of 2 new dwgs, lot 6, & lot 8. 2 household units each of 3 storeys of 4 bdrm, 3.5 bathrooms & internal dbl gge + retaining wall + sw tank + private draina
  • 2 Keystone Avenue1 Aug 2025 · Building consentRbw - lot 2 - new dwg with four bedrooms, one study-office, five bathrooms, & internal single gge. Lot 4 - new dwg with three bedrooms, one study-office, 3.5 bathrooms, & internal sin
  • 2 Keystone Avenue1 Jun 2025 · Building consentRbw - lot 3 & 5 - new dwg with 4 bdrm, 3.5 bathrm & internal dbl gge.
  • 19 Keystone Avenue29 May 2025 · Resource consentTo conduct a 5-Lot fee simple subdivision in accordance with approved land use consent LUC60433735.
  • 19 Keystone Avenue29 May 2025 · Resource consentTo construct five new dwellings on a single site with a single shared accessway.
  • 2 Keystone Avenue18 Jun 2024 · Resource consentCOMBINED LAND USE AND SUBDIVISION CONSENT TO ESTABLISH EIGHT NEW THREE STOREY RESIDENTIAL DWELLINGS AT 2 2A KEYSTONE AVENUE, THREE KINGS
  • 2 Keystone Avenue18 Jun 2024 · Resource consentCombined land use and subdivision consent to establish eight new three storey residential dwellings at 2 and 2A Keystone Avenue, Three Kings.
  • 24A Keystone Avenue26 Apr 2022 · Resource consentPLEASE FORWARD TO THE STREAMLINE TEAM ATTENTION: LEE AH KEN This is an application for the conversion of two cross lease titles to two fee simple titles.

Sales and valuations as at 11 September 2026, from council and LINZ records. Medians resting on fewer than 3 sales are not shown.