664 Northern Ave
Mill Valley, CA 94941
2 bd 1 ba 1,021 sqft Built 1923 Lot 15,590 sqft single_family
Most recent sale
$1,310,000
Dec 16, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 16, 2021 | Sold | $1,310,000 | MLS #321107357 |
| Nov 15, 2021 | Listed | $995,000 | MLS #321107357 |
| Feb 4, 2016 | Sold | $186,500 | Public Record |
| Aug 17, 2015 | Sold | $130,000 | Public Record |
| Aug 3, 2015 | Sold | $635,000 | MLS #21512599 |
| May 26, 2015 | Listed | $699,000 | MLS #21512599 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $541,212 | $848,960 | $1,390,172 | $21,929 |
| 2024 | $541,212 | $848,960 | $1,390,172 | $21,194 |
| 2023 | $520,200 | $816,000 | $1,336,200 | $20,477 |
| 2022 | $510,000 | $800,000 | $1,310,000 | $19,795 |
| 2021 | $92,958 | $601,494 | $694,452 | $12,652 |
| 2020 | $92,004 | $595,330 | $687,334 | $12,618 |
| 2019 | $90,202 | $583,660 | $673,862 | $12,232 |
| 2018 | $88,434 | $572,220 | $660,654 | $11,550 |
| 2017 | $86,700 | $561,000 | $647,700 | $10,959 |
| 2016 | $85,000 | $550,000 | $635,000 | $10,687 |
Property facts
Year built
1923
Property type
single_family
Stories
2
Beds
2
Baths
1
Living area
1,021 sqft
Lot size
15,590 sqft
ZIP code
94941
City
Mill Valley
Street
Northern Ave
Coordinates
37.87856, -122.54685
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$7,860
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 664 Northern Ave last sell?
664 Northern Ave most recently sold on Dec 16, 2021 for $1,310,000.
What is the current tax assessment for 664 Northern Ave?
The most recent total assessment for 664 Northern Ave (year 2025) is $1,390,172 with $21,929 in property tax.
How does 664 Northern Ave's assessment compare to its last sale price?
The current assessment is 6.1% above the last sale price of $1,310,000.
When was 664 Northern Ave built?
664 Northern Ave was built in 1923.
How does 664 Northern Ave compare to others on Northern Ave?
We track 8 other properties on Northern Ave. Browse the list under "Other properties on Northern Ave" to compare beds, baths, and sale history.
What are the property facts for 664 Northern Ave?
664 Northern Ave is a 2 bed, 1 bath, 1,021 sqft, 15,590 sqft lot single_family.
Is 664 Northern Ave a flip candidate?
No — 664 Northern Ave does not appear in our flips dataset.
Is 664 Northern Ave a tax-appeal candidate?
No — 664 Northern 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
-2.0%
Implied 1-yr
-7.9%
2026 Q2
$1.91M
2026 Q3
$1.87M
ZIP 94941 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Northern Ave