631 Altair Ave
Foster City, CA 94404
4 bd 2 ba 1,710 sqft Built 1969 Lot 271,683,720 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 | $437,456 | $1,312,373 | $1,749,829 | $20,567 |
| 2024 | $437,456 | $1,312,373 | $1,749,829 | $20,273 |
| 2023 | $420,470 | $1,261,413 | $1,681,883 | $19,855 |
| 2022 | $412,226 | $1,236,680 | $1,648,906 | $19,601 |
| 2021 | $404,144 | $1,212,432 | $1,616,576 | $19,353 |
| 2020 | $400,000 | $1,200,000 | $1,600,000 | $18,822 |
| 2019 | $182,080 | $127,443 | $309,523 | $3,869 |
| 2018 | $178,510 | $124,945 | $303,455 | $3,506 |
| 2017 | $175,010 | $122,496 | $297,506 | $3,465 |
| 2016 | $171,579 | $120,095 | $291,674 | $3,594 |
| 2015 | $169,002 | $118,292 | $287,294 | $3,509 |
| 2014 | $165,692 | $115,975 | $281,667 | $3,420 |
| 2013 | $164,944 | $115,451 | $280,395 | $3,409 |
| 2012 | $161,710 | $113,188 | $274,898 | $3,327 |
| 2011 | $158,540 | $110,969 | $269,509 | $3,264 |
| 2010 | $157,356 | $110,140 | $267,496 | $3,218 |
| 2009 | $157,730 | $110,402 | $268,132 | $3,085 |
| 2008 | $154,638 | $108,238 | $262,876 | $3,015 |
| 2007 | $151,606 | $106,116 | $257,722 | $2,847 |
Property facts
Year built
1969
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,710 sqft
Lot size
271,683,720 sqft
ZIP code
94404
City
Foster City
Street
Altair Ave
Coordinates
37.55180, -122.27930
Comparable properties nearby
Frequently asked questions
When did 631 Altair Ave last sell?
No public-record sale is on file for 631 Altair Ave.
What is the current tax assessment for 631 Altair Ave?
The most recent total assessment for 631 Altair Ave (year 2025) is $1,749,829 with $20,567 in property tax.
When was 631 Altair Ave built?
631 Altair Ave was built in 1969.
How does 631 Altair Ave compare to others on Altair Ave?
We do not currently track other properties on Altair Ave.
What are the property facts for 631 Altair Ave?
631 Altair Ave is a 4 bed, 2 bath, 1,710 sqft, 271,683,720 sqft lot single_family.
Is 631 Altair Ave a flip candidate?
No — 631 Altair Ave does not appear in our flips dataset.
Is 631 Altair Ave a tax-appeal candidate?
No — 631 Altair 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
-4.3%
Implied 1-yr
-17.2%
2026 Q3
$1.1M
2026 Q4
$1.1M
ZIP 94404 — Median Price History + Forecast
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Geography