275 Richardson Dr, Mill Valley, CA 94941 Property Records

Marin County property record for 275 Richardson Dr, Mill Valley, CA 94941

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,448 sqft · built 1955
Lot Size	0.231 acres (10,044 sqft)
Owner	2 Company Names on File
Last Sale	$1,900,000 (Jul 2017)
Tax Bill	$26,596 (2025)
Deeds & Mortgages	Jul 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`043-232-11`

Property Details

APN / Parcel Number

Primary APN	`043-232-11`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Building Area	2,448 sqft Living Area
Basement Area	507 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1987
Architectural Style	Contemporary
Lot Area	10,044 sqft (0.231 acres)
Garage Area	242 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	275 RICHARDSON DR
City	MILL VALLEY
State	CA
Zip	94941-2518
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L714 /B7P94 M STRAWBERRY MANOR #7
Legal Subdivision	STRAWBERRY MANOR SUB 7
Legal Tract	7
Legal Lot Number	714
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2000
Census Tract	125000

Owner

275 Richardson Dr is owned by a company that bought it in July 2017 and is owner-occupied.

Source: Marin County records, as of August 6, 2026

Owner of Record	2 Company Names on File
Mailing Address	275 RICHARDSON DR, MILL VALLEY, CA 94941-2518
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 18, 2017 · Amount on File
Deed Sale	Jul 18, 2017 · Amount on File
Deed Document Number	201728451
Record Updated	Oct 29, 2026

July 2017: Deed, Transfer

Document Type	Deed
Jurisdiction	MARIN CA
Recording Date	Jul 18, 2017
Property Address	275 RICHARDSON DR, MILL VALLEY, CA 94941-2518
Document Number	0000028451
Map Reference	MB7 PG94
Instrument Date	Jul 13, 2017
Instrument	2017-0028451
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	FIDELITY NATL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3001 BRIDGEWAY, SAUSALITO, CA 94965-1408

Mortgage

Document Number	0000028452
Date	Jul 18, 2017
Instrument	2017-0028452

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Type Change Date	Aug 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.5%
Index	1-Year LIBOR
Max Rate	9.5%

Tax Assessment & Valuation

The 2025 property tax bill for 275 Richardson Dr was $26,596 with a homeowner's exemption.

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,283,981 (+2%) Land $1,323,038 Building $960,943
2025	$26,596.00 Homeowner's exemption	$2,239,208 Land $1,297,103 Building $942,105
2023	$25,358.00 (+3.52%) Homeowner's exemption	$2,152,263 Land $1,246,738 Building $905,525
2022	$24,495.00

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

Flood

FEMA maps place 275 Richardson Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	3 in force
Nearby Flood Claims	2 (1982–1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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.

Wildfire

The area around 275 Richardson Dr has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002
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, 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 459 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20