111 properties · Mount Roskill, Auckland

Keystone Avenue, Mount Roskill

Keystone Avenue in Mount Roskill has 111 properties, valued by the council between $270,000 and $1,750,000 with a median of $605,000 (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.

$605kmedian council valuation
$580kour median estimate
2sold in the last 12 months
2000median year built
AucklandMount Roskill ×Keystone Avenue ×

111 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 108 rated properties between $270,000 and $1,750,000. The middle half sit between about $390,000 and $994,500; the median is $605,000 and the mean $729,954.

Lowest: $270k$270kLowest10%: $327k20%: $370k20%30%: $410k40%: $430k40%Median: $605k60%: $840k60%70%: $939k80%: $1.05m80%90%: $1.35mHighest: $1.75m$1.75mHighest
BedroomsHomesMedian council valueSold, last 12 monthsMedian sale
136$370k1—
225$490k1—
329$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 44% below Mount Roskill's.

Keystone AvenueMount RoskillAuckland
Median council value$605k$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 section459 m²502 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, 33 houses and 22 units and townhouses. Most were built in the 2000s (52%).

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: 9 (9 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 construct five new dwellings on a single site with a single shared accessway.
  • 19 Keystone Avenue29 May 2025 · Resource consentTo conduct a 5-Lot fee simple subdivision in accordance with approved land use consent LUC60433735.
  • 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.
  • 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
  • 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.

Agents who sold on Keystone Avenue

The real estate agents credited on Keystone Avenue sales since 2016, most first. Selling here? These are the agents who have sold your neighbours' homes. A count of sales, not a rating. Every agent who sold in Mount Roskill.

  1. Ryan BridgmanRay White Auckland Central
    9 sales on Keystone Avenue · last Oct 2024
  2. Mitchell AgnewLowe & Co Realty
    6 sales on Keystone Avenue · last Mar 2022
  3. Krister SamuelRay White Auckland Central
    4 sales on Keystone Avenue · last Aug 2023
  4. Clara WuBarfoot & Thompson New Lynn
    4 sales on Keystone Avenue · last May 2022
  5. Dusan ValentaRay White Auckland Central
    3 sales on Keystone Avenue · last Apr 2026
  6. Bo QiuBarfoot & Thompson Epsom
    1 sale on Keystone Avenue · last Feb 2026
  7. Abbey DavisHarcourts Epsom
    1 sale on Keystone Avenue · last Feb 2021
  8. Richard HumphreysHarcourts Epsom
    1 sale on Keystone Avenue · last Feb 2021
  9. Edita AndrijasevicRaine & Horne Blockhouse | Titirangi
    1 sale on Keystone Avenue · last Oct 2019

56 sales on Keystone Avenue since 2016; 24 of them name an agent we can show, and the counts here are taken from those.

Every address on Keystone Avenue

111

About property on Keystone Avenue, Mount Roskill

Every property in Keystone Avenue, Mount Roskill, whether it is for sale or not: homes, sections, farms, lifestyle blocks, shops, offices and industrial land. Each is listed from the council rating roll and Toitū Te Whenua LINZ, with the listing beside it when an agent is marketing it.

Each property has its own page: our estimate of its value beside the council rating valuation, past sale prices, the title and land area, zoning and hazards, building consents, and what it would cost to own.

Listings are published by the agents who market them. Addresses, land details and rating valuations come from Toitū Te Whenua Land Information New Zealand and from the council. No ownership information is published.