18 Topside Way, Mill Valley, CA 94941 Property Records

Marin County property record for 18 Topside Way, Mill Valley, CA 94941 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3.5 Baths
Year Built	Built 2012
Square Footage	3,885 sqft Living Area
Lot Size	14,514 sqft (0.333 acres)
Occupancy	Owner Occupied
Last Sale	$1,835,000 (2012)
Tax Bill	$33,352.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`043-102-03`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	8 Rooms
Building Area	3,885 sqft Living Area
Stories	1 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1992
Effective Year Built	Effective 2012
Architectural Style	Contemporary Style
Exterior Material	Stucco Exterior
Roof Material	Tile Roof
Lot Area	14,514 sqft (0.333 acres)
Parking Spaces	2 Parking Spaces
Garage Area	573 sqft Garage
Deck Area	361 sqft Deck
Patio Area	361 sqft Patio

Utilities and HVAC

Heating System	Central Heating
Heating Fuel	Gas Heating Fuel
Sewage	Municipal Sewage
Water Source	Commercial Water Source

Location & Zoning

Street Address	18 TOPSIDE WAY
City	MILL VALLEY
State	CA
Zip	94941-3212
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 95
Legal Subdivision	HARBOR POINT #2B
Legal Lot Number	95
Jurisdiction	MARIN CA
Minor Civil Division	SOUTHEAST MARIN
Census Blockgroup	1
Census Block	1003
Census Tract	125000

Owner

Source: Marin County records · APN 043-102-03

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	18 TOPSIDE WAY, MILL VALLEY, CA 94941-3212
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 15, 2012 · Amount on Record
Deed Sale	Oct 15, 2012 · Amount on Record
Prior Sale	Sep 14, 1999 · Amount on Record
Deed Doc Number	201263956
Prior Transfer Date	Oct 21, 1998
Prior Transfer Doc	0000016200
Record Refreshed	Sep 20, 2026

July 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Jul 24, 2019
Property Address	18 TOPSIDE WAY, MILL VALLEY, CA 94941-3212
Document Number	0000025998
Map Reference	VOL 13 PG 18
Instrument Date	Jun 08, 2019
Instrument	2019-0025998
Transaction Type	Transfer
Record Updated	Aug 13, 2021

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	18 TOPSIDE WAY # 18, 18, MILL VALLEY, CA 94941-3212

Mortgage

Document Number	0000025999
Date	Jul 24, 2019
Instrument	2019-0025999

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Lending Institution

Agreement

Type	Adjustable Rate Mortgage (ARM)
Amount	Amount Recorded
Term	360 Months
Due	Jul 01, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Adjustable	Document includes a rider for adjustable-rate mortgage with a specific rate change date.
Type Change Date	Jul 01, 2029
Change Frequency	Annually
Min Rate At Change	2.5%
Max Rate At Change	8.25%
Index	1-Year LIBOR
Max Rate	8.25%

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
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		$2,693,547 (+2%) Land $1,381,600 Building $1,311,947
2025	$33,352.00 (+5.27%) Homeowner's exemption	$2,640,748 (+4.04%) Land $1,354,518 Building $1,286,230
2023	$31,683.00 (+3.6%) Homeowner's exemption	$2,538,216 Land $1,301,927 Building $1,236,289
2022	$30,582.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.