Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$355,983$363 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $82,000 on Oct 27, 2008

638 PORTER ST

VALLEJO, CA 94590
3
Beds
1
Baths
980 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$356K
$338K low$374K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$82,000 · Oct 27, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,465 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$107,694 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,397
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$68,297
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$105,583
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$225,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySOLANO
Lot (acres)The size of the land the home sits on, from county records.0.12
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 154 ft²

Transaction History(10)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Grace Patterson Elementary SchoolB
Elementary · Grades KG–5 · 0.5 mi
M
Hogan Middle SchoolD
Middle · Grades 6–8 · 1.9 mi
H
Vallejo High SchoolC-
High · Grades 9–12 · 2.0 mi

District: Vallejo City Unified School District

Neighborhood · ZIP 94590These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.156
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.406

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.39,542
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,801 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,591
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,025
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Owner Tools

Do you own this home?
Claim this home

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

638 Porter 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 94% of homes in Solano County
  • Costs more per square foot than 69% of homes in Solano County
  • Smaller than 93% of homes in Solano County
  • Has a smaller lot than 77% of homes in Solano County
  • Among the oldest homes in Solano County

What homes are worth in Vallejo 94590

Each bar is how many homes fall in that price range. The marker is this home.

This home
$229K$733K

This home is worth more than 21% of homes in Vallejo 94590.

How it measures up in Vallejo 94590

The dot is this home. The mark in the middle is the typical home in Vallejo 94590.

Estimated value$355,983
CheaperTypical $444,912Pricier

Pricier than 21% of homes nearby

Price per ft²$363
CheaperTypical $339Pricier

Pricier than 63% of homes nearby

Living area980 ft²
SmallerTypical 1,336 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.11 ac
SmallerTypical 0.13 acBigger

Bigger than 38% of homes nearby

Year built1890
OlderTypical 1940Newer

Older than almost all homes nearby

How 638 Porter St ranks against every home in each area.
MeasureThis homeVallejo 94590Solano County
Estimated valuepricier than$355,98321% of homes6% of homes
Price per ft²pricier than$36363% of homes69% of homes
Living areabigger than980 ft²18% of homes7% of homes
Lot sizebigger than0.11 ac38% of homes23% of homes
Year builtnewer than1890almost no homesalmost no homes

About 638 Porter St

How much is 638 Porter St, Vallejo, CA worth?

The TopHap Estimate for 638 Porter St, Vallejo, CA is $355,983 as of Aug 30, 2026. The likely range is $338,020 to $373,946. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 638 Porter St, Vallejo, CA last sell?

638 Porter St, Vallejo, CA last sold on Oct 27, 2008 for $82,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 638 Porter St, Vallejo, CA?

638 Porter St, Vallejo, CA has 3 bedrooms, 1 bathrooms, 980 square feet of living space and a 0.12-acre lot.

When was 638 Porter St, Vallejo, CA built?

638 Porter St, Vallejo, CA was built in 1890, making it 136 years old. The building has 3 stories.

What schools serve 638 Porter St, Vallejo, CA?

638 Porter St, Vallejo, CA is assigned to Grace Patterson Elementary School (elementary), rated B; Hogan Middle School (middle), rated D; Vallejo High School (high), rated C-. All sit in Vallejo City Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 638 Porter St, Vallejo, CA compare to other homes in Vallejo 94590?

Among the 9,646 homes in Vallejo 94590, it is worth more than 21% of them ($355,983 against a typical $444,912), its price per square foot is higher than 63% of them ($363 against a typical $339), it is bigger than 18% of them (980 ft² against a typical 1,336 ft²), its lot is bigger than 38% of them (0.11 ac against a typical 0.13 ac) and it is newer than almost none of them (1890 against a typical 1940). Measured against all of Solano County, it is worth more than 6% 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 638 Porter St, Vallejo, CA?

The 2025 property tax bill for 638 Porter St, Vallejo, CA was $2,465. The county assessed it at $107,694.

More homes on Porter St

Closest homes

More homes in Vallejo 94590

Assigned schools

Explore the area

See this home in context

Open 638 Porter St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map