840 30TH ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(2)
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: West Contra Costa Unified School District
Neighborhood · ZIP 94804These 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.
Ownership
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
840 30th St 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.
- Worth less than 75% of homes in Contra Costa County
- Costs less per square foot than 79% of homes in North and East
- Smaller than 71% of homes in Contra Costa County
- Has a smaller lot than 72% of homes in Contra Costa County
- Older than 96% of homes in Contra Costa County
What homes are worth in Richmond 94804
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 57% of homes in Richmond 94804.
How it measures up in Richmond 94804
The dot is this home. The mark in the middle is the typical home in Richmond 94804.
Pricier than 57% of homes nearby
Pricier than 28% of homes nearby
Bigger than 64% of homes nearby
Bigger than 55% of homes nearby
Newer than 11% of homes nearby
| Measure | This home | North and East | Richmond 94804 | Contra Costa County |
|---|---|---|---|---|
| Estimated valuepricier than | $566,890 | 54% of homes | 57% of homes | 25% of homes |
| Price per ft²pricier than | $414 | 21% of homes | 28% of homes | 38% of homes |
| Living areabigger than | 1,368 ft² | 68% of homes | 64% of homes | 29% of homes |
| Lot sizebigger than | 0.11 ac | 41% of homes | 55% of homes | 28% of homes |
| Year builtnewer than | 1938 | 20% of homes | 11% of homes | 4% of homes |
About 840 30th St
How much is 840 30th St, Richmond, CA worth?
The TopHap Estimate for 840 30th St, Richmond, CA is $566,890 as of Jul 14, 2026. The likely range is $522,312 to $611,468. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 840 30th St, Richmond, CA last sell?
840 30th St, Richmond, CA last sold on Sep 6, 2016 for $445,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
How big is 840 30th St, Richmond, CA?
840 30th St, Richmond, CA has 3 bedrooms, 2 bathrooms, 1,368 square feet of living space and a 0.12-acre lot.
When was 840 30th St, Richmond, CA built?
840 30th St, Richmond, CA was built in 1938, making it 88 years old. The building has 1 story.
What schools serve 840 30th St, Richmond, CA?
840 30th St, Richmond, CA is assigned to DeJean Middle School (middle), rated F; Kennedy High School (high), rated D; Wilson Elementary School (elementary), rated D. All sit in West Contra Costa Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 840 30th St, Richmond, CA compare to other homes in Richmond 94804?
Among the 11,870 homes in Richmond 94804, it is worth more than 57% of them ($566,890 against a typical $543,091), its price per square foot is higher than 28% of them ($414 against a typical $480), it is bigger than 64% of them (1,368 ft² against a typical 1,193 ft²), its lot is bigger than 55% of them (0.11 ac against a typical 0.1 ac) and it is newer than 11% of them (1938 against a typical 1951). Measured against all of Contra Costa County, it is worth more than 25% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 840 30th St, Richmond, CA?
The 2025 property tax bill for 840 30th St, Richmond, CA was $9,798. The county assessed it at $526,784.
Closest homes
- 832 30th St$646K43 ft · 2 bd · 1 ba · 973 ft² · Sold $590K · Oct 2019
- 848 30th St$515K50 ft · 2 bd · 1 ba · 914 ft² · Sold $110K · Jan 2010
- 826 30th St$526K81 ft · 2 bd · 1 ba · 973 ft² · Sold $130K · Sep 2011
- 852 30th St$579K100 ft · 3 bd · 1 ba · 1,051 ft² · Sold $120K · Apr 2011
- 818 30th St$478K125 ft · 2 bd · 1 ba · 814 ft² · Sold $180K · Dec 2002
- 835 31st St$614K101 ft · 3 bd · 1 ba · 1,251 ft² · Sold $246K · May 2013
- 845 31st St$644K106 ft · 3 bd · 1 ba · 1,049 ft² · Sold $625K · Jun 2020
- 860 30th St$625K138 ft · 2 bd · 1 ba · 857 ft² · Sold $621K · May 2021
More homes in Richmond 94804
- 144 S 4th St$449K3 bd · 1 ba · 941 ft² · Sold $470K · Aug 2026
- 99 Marina Lakes Dr$385K2 bd · 1 ba · 847 ft² · Sold $370K · Aug 2026
- 2212 Day Sailor Ct$629K2 bd · 2.5 ba · 1,305 ft² · Sold $630K · Aug 2026
- 4317 Taft Ave$569K3 bd · 1.5 ba · 1,433 ft² · Sold $569K · Aug 2026
- 214 Bayside Ct$445K1 bd · 1 ba · 915 ft² · Sold $416K · Aug 2026
- 1505 Latitudes Way$749K3 bd · 3.5 ba · 1,787 ft² · Sold $720K · Aug 2026
- 4433 Overend Ave2,253 ft² · Sold $350K · Jul 2026
- 2719 San Mateo St2,456 ft² · Sold $980K · Jul 2026
- 79 Lakeshore Ct$315K1 bd · 1 ba · 549 ft² · Sold $320K · Jul 2026
- 929 31st St$550K2 bd · 1 ba · 1,081 ft² · Sold $616K · Jul 2026
- 189 Schooner Ct$319K1 bd · 1 ba · 732 ft² · Sold $325K · Jul 2026
- 807 Commodore Dr$800K2 bd · 2.5 ba · 1,210 ft² · Sold $800K · Jul 2026
Assigned schools
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