18621 STATE ROUTE 1
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(16)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Shoreline Unified School District
Neighborhood · ZIP 94940These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
18621 State Route 1 measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Bigger than 90% of homes in Marin County
- Has a bigger lot than 76% of homes in Marin County
How it measures up in Marin County
The dot is this home. The mark in the middle is the typical home in Marin County.
Bigger than 90% of homes nearby
Bigger than 76% of homes nearby
| Measure | This home | Marin County |
|---|---|---|
| Living areabigger than | 3,298 ft² | 90% of homes |
| Lot sizebigger than | 0.3 ac | 76% of homes |
About 18621 State Route 1
When did 18621 State Route 1, Marshall, CA last sell?
18621 State Route 1, Marshall, CA last sold on Nov 26, 2025 for $700,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.
How big is 18621 State Route 1, Marshall, CA?
18621 State Route 1, Marshall, CA has 3,298 square feet of living space and a 0.30-acre lot.
What schools serve 18621 State Route 1, Marshall, CA?
18621 State Route 1, Marshall, CA is assigned to Inverness Elementary School (elementary); West Marin Elementary School (middle), rated A; Tomales High School (high), rated D. All sit in Shoreline Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 18621 State Route 1, Marshall, CA compare to other homes in Marin County?
Among the 81,702 homes in Marin County, it is bigger than 90% of them (3,298 ft² against a typical 1,822 ft²) and its lot is bigger than 76% of them (0.3 ac against a typical 0.18 ac). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 18621 State Route 1, Marshall, CA?
The 2025 property tax bill for 18621 State Route 1, Marshall, CA was $6,778. The county assessed it at $182,538.
More homes on State Route 1
- 17523 State Route 1$1.5M0.46 ac · Sold $3.6M · Mar 2026
- 17523 State Route 1$3.6M2 bd · 2 ba · 1,660 ft² · Sold $3.6M · Mar 2026
- 17715 State Route 1$2.3M1 bd · 2 ba · 832 ft² · Sold $930K · Aug 2025
- 19795 State Route 12 bd · 2 ba · 1,382 ft² · Sold $950K · Dec 2017
- 17549 State Route 1$1.5M2 bd · 1 ba · 736 ft² · Sold $1.3M · May 2015
- 17683 State Route 1$1.9M3 bd · 2 ba · 1,122 ft² · Sold $1.4M · Aug 2014
- 24759 State Route 1$831K2 bd · 1.5 ba · 552 ft² · Sold $575K · Dec 2003
- 19495 State Route 1$1M2 bd · 1 ba · 828 ft² · Sold $275K · Mar 1997
- 19775 State Route 1$1.4M2 bd · 1 ba · 1,068 ft² · Sold Jan 1900
- 19755 State Route 1$1M2 bd · 1 ba · 882 ft² · Sold Jan 1900
- 19735 State Route 1$1.1M1 bd · 1 ba · 768 ft² · Sold Jan 1900
- 19715 State Route 1$751K2 bd · 1 ba · 612 ft² · Sold Jan 1900
Closest homes
- 18625 Highway 1$1.6M85 ft · 2 bd · 1.5 ba · 1,498 ft² · Sold Jan 1900
- 18565 Highway 1$3.8M115 ft · 2 bd · 1 ba · 1,073 ft² · Sold $3.8M · Jul 2026
- 18555 Highway 1$1.9M219 ft · 2 bd · 2 ba · 1,804 ft² · Sold $1.6M · Apr 2020
- 18545 Highway 1$1.9M316 ft · 2 bd · 1 ba · 1,012 ft² · Sold $1.5M · Sep 2020
- 18856 Highway 1$965K0.3 mi · 2 bd · 1 ba · 816 ft² · Sold Jan 1900
- 18250 Highway 1$1.5M0.3 mi · 3 bd · 1.5 ba · 1,496 ft² · Sold $1M · Mar 2019
- 18255 Highway 1$801K0.3 mi · 1 bd · 1 ba · 756 ft² · Sold $116K · Nov 1996
- 0.3 mi · 0.44 ac · Sold Jan 1900
More homes in Marshall 94940
- 18565 Highway 1$3.8M2 bd · 1 ba · 1,073 ft² · Sold $3.8M · Jul 2026
- 22525 Highway 10.43 ac · Sold $1.7M · Apr 2026
- 22195 Highway 1$2.2M948 ft² · Sold $2.2M · Dec 2025
- 18050 Highway 1$1.7M1 bd · 1 ba · 752 ft² · Sold $1.7M · Sep 2025
- 18050 Highway 1$1.1M1 bd · 1 ba · 680 ft² · Sold $1.7M · Sep 2025
- 19025 Highway 1$1.2M0.9 ac · Sold $500K · Feb 2025
- 18135 Highway 1$3.1M1 bd · 2 ba · 1,259 ft² · Sold $3.6M · Oct 2022
- 19675 Highway 1$1.8M2 bd · 2 ba · 1,162 ft² · Sold $1.4M · Mar 2021
- 19865 Highway 1$2M2 bd · 1 ba · 1,250 ft² · Sold $1.7M · Jan 2021
- 18545 Highway 1$1.9M2 bd · 1 ba · 1,012 ft² · Sold $1.5M · Sep 2020
- 22825 Highway 1$1.7M2 bd · 2 ba · 1,460 ft² · Sold $1.3M · Aug 2020
- 20175 Highway 1$1.5M3 bd · 1 ba · 1,518 ft² · Sold $625K · Jun 2020
Assigned schools
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