48 Upland Ave, Mill Valley, CA 94941 Property Records

Marin County property record for 48 Upland Ave, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,403 sqft · built 1985
Lot Size	0.62 acres (27,000 sqft)
Owner	2 Company Names on File
Last Sale	$2,900,000 (Apr 2006)
Tax Bill	$48,437 (2025)
Deeds & Mortgages	Jan 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`029-036-05`

Property Details

APN / Parcel Number

Primary APN	`029-036-05`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Building Area	3,403 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Lot Area	27,000 sqft (0.62 acres)
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces
Deck Area	538 sqft
Patio Area	538 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	48 UPLAND AVE
City	MILL VALLEY
State	CA
Zip	94941-1144
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 4 PG 109 LOT 42,44 & OTHER LOTS
Legal Subdivision	LAND OPETER PAN
Legal Lot Number	42
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	5
Census Block	5019
Census Tract	126100

Owner

Source: Marin County records · APN 029-036-05

Assessment roll updated July 13, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	48 UPLAND AVE, MILL VALLEY, CA 94941-1144
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 04, 2006 · Amount on Record
Deed Sale	Apr 04, 2006 · Amount on Record
Deed Document Number	200620949
Record Updated	Sep 20, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	48 UPLAND AVE, MILL VALLEY, CA 94941-1144
Transaction Type	Mortgage
Record Updated	Feb 09, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000005390
Date	Jan 26, 2021
Instrument	2021-0005390

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 01, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Feb 01, 2031
Change Frequency	Monthly
Min Rate At Change	10.9%
Max Rate At Change	2.95%
Index	Other
Max Rate	10.9%

Tax Assessment & Valuation

Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Mill Valley City
Elementary School District	Mill Valley Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$4,041,962 (+2%) Land $2,090,670 Building $1,951,292
2025	$48,437.00 (+4.71%) Homeowner's exemption	$3,962,734 (+4.04%) Land $2,049,690 Building $1,913,044
2023	$46,259.00 (+1.03%) Homeowner's exemption	$3,808,889 Land $1,970,115 Building $1,838,774
2022	$45,786.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 18, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	3 (1986–2010)
Claims Outside the SFHA	2 of 3
Most Recent Claim	Jan 2010 · rainfall accumulation

Wildfire

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile USA, Unwired.

Based on FCC filings for 595 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people
Water Source	Surface water
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2019–2021) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.