21 RIVER RD
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(1)
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: Central Columbia School District
Neighborhood · ZIP 18631These 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
21 River Rd 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.
- Among the least valuable homes in Columbia County
- Costs less per square foot than 97% of homes in Mifflinville 18631
- Smaller than 97% of homes in Mifflinville 18631
- Has a bigger lot than 87% of homes in Mifflinville 18631
- Newer than 75% of homes in Mifflinville 18631
What homes are worth in Mifflinville 18631
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth less than almost all homes in Mifflinville 18631.
How it measures up in Mifflinville 18631
The dot is this home. The mark in the middle is the typical home in Mifflinville 18631.
Cheaper than almost all homes nearby
Pricier than 3% of homes nearby
Bigger than 3% of homes nearby
Bigger than 87% of homes nearby
Newer than 75% of homes nearby
| Measure | This home | Mifflinville 18631 | Columbia County |
|---|---|---|---|
| Estimated valuepricier than | $54,000 | almost no homes | almost no homes |
| Price per ft²pricier than | $66 | 3% of homes | 3% of homes |
| Living areabigger than | 816 ft² | 3% of homes | 5% of homes |
| Lot sizebigger than | 0.81 ac | 87% of homes | 53% of homes |
| Year builtnewer than | 1960 | 75% of homes | 48% of homes |
About 21 River Rd
How much is 21 River Rd, Mifflinville, PA worth?
The TopHap Estimate for 21 River Rd, Mifflinville, PA is $54,000 as of Aug 30, 2026. The likely range is $47,116 to $60,884. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 21 River Rd, Mifflinville, PA last sell?
21 River Rd, Mifflinville, PA last sold on Aug 7, 2026 for $54,000, according to the county's recorded deed.
How big is 21 River Rd, Mifflinville, PA?
21 River Rd, Mifflinville, PA has 816 square feet of living space and a 0.81-acre lot.
When was 21 River Rd, Mifflinville, PA built?
21 River Rd, Mifflinville, PA was built in 1960, making it 66 years old.
What schools serve 21 River Rd, Mifflinville, PA?
21 River Rd, Mifflinville, PA is assigned to Central Columbia Elementary School (elementary), rated A-; Central Columbia High School (high), rated A; Central Columbia Middle School (middle), rated B+. All sit in Central Columbia School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 River Rd, Mifflinville, PA compare to other homes in Mifflinville 18631?
Among the 140 homes in Mifflinville 18631, it is worth more than almost none of them ($54,000 against a typical $199,475), its price per square foot is higher than 3% of them ($66 against a typical $138), it is bigger than 3% of them (816 ft² against a typical 1,584 ft²), its lot is bigger than 87% of them (0.81 ac against a typical 0.35 ac) and it is newer than 75% of them (1960 against a typical 1939). Measured against all of Columbia County, it is worth more than almost no 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 21 River Rd, Mifflinville, PA?
The 2026 property tax bill for 21 River Rd, Mifflinville, PA was $380. The county assessed it at $5,293.
Closest homes
- River Rd$79K186 ft · 808 ft²
- 429 E 3rd St$201K303 ft · 1,808 ft² · Sold Sep 1999
- River Rd255 ft · 640 ft² · Sold Jun 1999
- 423 E 3rd St$143K365 ft · 0.69 ac · Sold Jan 2012
- River Rd379 ft · 782 ft² · Sold $16K · Feb 1998
- 403 E 2nd St$307K394 ft · 2,360 ft² · Sold $93K · Sep 2003
- 417 E 3rd St$248K492 ft · 2,510 ft² · Sold Jun 1987
- 429 E 4th St$336K0.1 mi · 1,731 ft² · Sold $238K · Jun 2018
More homes in Mifflinville 18631
- 108 W 3rd St$234K3,056 ft² · Sold $165K · Jun 2026
- 325 E 3rd St$190K1,548 ft² · Sold $136K · Jan 2026
- 117 E 3rd St$156K1,806 ft² · Sold $150K · Oct 2025
- 219 W 3rd St$229K2,020 ft² · Sold $220K · Oct 2025
- 103 E 3rd St2,516 ft² · Sold $130K · Oct 2024
- 216 W 3rd St$253K2,360 ft² · Sold $230K · Sep 2024
- 214 E 3rd St$235K1,320 ft² · Sold $118K · Sep 2024
- 311 E 3rd St$365K2,016 ft² · Sold $343K · Aug 2024
- 224 E 1st St$192K1,308 ft² · Sold Jun 2024
- 118 E 3rd St$193K1,289 ft² · Sold $190K · Jan 2024
- 116 E 3rd St$240K2,160 ft² · Sold $95K · Oct 2023
- 325 E 2nd St$383K1,939 ft² · Sold $365K · Sep 2023
Assigned schools
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