2820 GAYNOR AVE
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(4)
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
2820 Gaynor Ave 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 82% of homes in Contra Costa County
- Costs more per square foot than 69% of homes in North and East
- Smaller than 92% of homes in Contra Costa County
- Has a bigger lot than 94% of homes in North and East
- Older than 95% 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 42% 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 42% of homes nearby
Pricier than 69% of homes nearby
Bigger than 28% of homes nearby
Bigger than 93% of homes nearby
Newer than 16% of homes nearby
| Measure | This home | North and East | Richmond 94804 | Contra Costa County |
|---|---|---|---|---|
| Estimated valuepricier than | $520,231 | 35% of homes | 42% of homes | 18% of homes |
| Price per ft²pricier than | $534 | 69% of homes | 69% of homes | 63% of homes |
| Living areabigger than | 975 ft² | 27% of homes | 28% of homes | 8% of homes |
| Lot sizebigger than | 0.14 ac | 94% of homes | 93% of homes | 44% of homes |
| Year builtnewer than | 1940 | 27% of homes | 16% of homes | 5% of homes |
About 2820 Gaynor Ave
How much is 2820 Gaynor Ave, Richmond, CA worth?
The TopHap Estimate for 2820 Gaynor Ave, Richmond, CA is $520,231 as of Jul 14, 2026. The likely range is $493,976 to $546,486. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 2820 Gaynor Ave, Richmond, CA last sell?
2820 Gaynor Ave, Richmond, CA last sold on Oct 27, 1994 for $127,000, according to the county's recorded deed.
How big is 2820 Gaynor Ave, Richmond, CA?
2820 Gaynor Ave, Richmond, CA has 3 bedrooms, 1 bathrooms, 975 square feet of living space and a 0.14-acre lot.
When was 2820 Gaynor Ave, Richmond, CA built?
2820 Gaynor Ave, Richmond, CA was built in 1940, making it 86 years old. The building has 1 story.
What schools serve 2820 Gaynor Ave, Richmond, CA?
2820 Gaynor Ave, 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 2820 Gaynor Ave, Richmond, CA compare to other homes in Richmond 94804?
Among the 11,870 homes in Richmond 94804, it is worth more than 42% of them ($520,231 against a typical $542,379), its price per square foot is higher than 69% of them ($534 against a typical $480), it is bigger than 28% of them (975 ft² against a typical 1,193 ft²), its lot is bigger than 93% of them (0.14 ac against a typical 0.1 ac) and it is newer than 16% of them (1940 against a typical 1951). Measured against all of Contra Costa County, it is worth more than 18% 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 2820 Gaynor Ave, Richmond, CA?
The 2025 property tax bill for 2820 Gaynor Ave, Richmond, CA was $4,524. The county assessed it at $217,551.
Closest homes
- 2826 Gaynor Ave$599K55 ft · 2 bd · 1 ba · 1,120 ft² · Sold $115K · Nov 1997
- 2810 Gaynor Ave$614K56 ft · 2 bd · 1 ba · 1,169 ft² · Sold Jan 1900
- 2825 Garvin Ave$599K103 ft · 2 bd · 1 ba · 1,134 ft² · Sold Jan 1900
- 2827 Garvin Ave$596K116 ft · 3 bd · 2 ba · 1,210 ft² · Sold $295K · Aug 2013
- 2809 Garvin Ave$621K117 ft · 4 bd · 1.5 ba · 1,353 ft² · Sold Jan 1900
- 830 28th St$557K105 ft · 2 bd · 1 ba · 1,052 ft² · Sold $307K · Jan 2014
- 2838 Gaynor Ave$548K109 ft · 2 bd · 1.5 ba · 783 ft² · Sold $340K · Apr 2002
- 2835 Garvin Ave$488K140 ft · 2 bd · 1 ba · 886 ft² · Sold $240K · Aug 2013
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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