40 Isabella Ave
Atherton, CA 94027
4 bd 4 ba 3,433 sqft Built 1935 Lot 25,313 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $5,530,201 | $6,693,113 | $12,223,314 | $136,421 |
| 2024 | $5,530,201 | $6,693,113 | $12,223,314 | $132,674 |
| 2023 | $5,315,459 | $6,433,212 | $11,748,671 | $130,197 |
| 2022 | $5,211,235 | $6,307,071 | $11,518,306 | $127,130 |
| 2021 | $3,706,113 | $6,183,403 | $9,889,516 | $109,876 |
| 2020 | $1,204,000 | $6,120,000 | $7,324,000 | $82,189 |
| 2019 | $250,000 | $6,000,000 | $6,250,000 | $71,010 |
| 2018 | $1,632,000 | $5,304,000 | $6,936,000 | $78,134 |
| 2017 | $1,290,000 | $4,810,000 | $6,100,000 | $70,082 |
| 2016 | $499,415 | $4,617,638 | $5,117,053 | $58,970 |
| 2015 | $455,000 | $4,200,000 | $4,655,000 | $54,197 |
| 2014 | $418,000 | $3,864,000 | $4,282,000 | $50,065 |
| 2013 | $366,000 | $3,384,000 | $3,750,000 | $43,265 |
| 2012 | $284,000 | $2,616,000 | $2,900,000 | $34,108 |
| 2011 | $284,000 | $2,616,000 | $2,900,000 | $34,082 |
| 2010 | $300,000 | $3,000,000 | $3,300,000 | $38,224 |
| 2009 | $459,102 | $4,244,832 | $4,703,934 | $45,292 |
| 2008 | $260,100 | $4,161,600 | $4,421,700 | $49,690 |
| 2007 | $255,000 | $4,080,000 | $4,335,000 | $48,340 |
Property facts
Year built
1935
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,433 sqft
Lot size
25,313 sqft
ZIP code
94027
City
Atherton
Street
Isabella Ave
Coordinates
37.45817, -122.19779
Comparable properties nearby
Frequently asked questions
When did 40 Isabella Ave last sell?
No public-record sale is on file for 40 Isabella Ave.
What is the current tax assessment for 40 Isabella Ave?
The most recent total assessment for 40 Isabella Ave (year 2025) is $12,223,314 with $136,421 in property tax.
When was 40 Isabella Ave built?
40 Isabella Ave was built in 1935.
How does 40 Isabella Ave compare to others on Isabella Ave?
We track 8 other properties on Isabella Ave. Browse the list under "Other properties on Isabella Ave" to compare beds, baths, and sale history.
What are the property facts for 40 Isabella Ave?
40 Isabella Ave is a 4 bed, 4 bath, 3,433 sqft, 25,313 sqft lot single_family.
Is 40 Isabella Ave a flip candidate?
No — 40 Isabella Ave does not appear in our flips dataset.
Is 40 Isabella Ave a tax-appeal candidate?
No — 40 Isabella Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+9.2%
Implied 1-yr
+36.6%
2026 Q3
$24.52M
2026 Q4
$25.93M
ZIP 94027 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Isabella Ave