3126 O ST NW
Valuation
Tax & Assessment
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: District of Columbia Public Schools
Neighborhood · ZIP 20007These 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
3126 O St Nw 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 most valuable homes in District of Columbia County
- Costs more per square foot than 98% of homes in District of Columbia County
- Bigger than 97% of homes in District of Columbia County
- Has a bigger lot than 97% of homes in Georgetown
- Among the oldest homes in District of Columbia County
What homes are worth in Washington 20007
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 96% of homes in Washington 20007.
How it measures up in Washington 20007
The dot is this home. The mark in the middle is the typical home in Washington 20007.
Pricier than 96% of homes nearby
Pricier than 84% of homes nearby
Bigger than 95% of homes nearby
Bigger than 91% of homes nearby
Older than almost all homes nearby
| Measure | This home | Georgetown | Washington 20007 | District of Columbia County |
|---|---|---|---|---|
| Estimated valuepricier than | $4,889,903 | 94% of homes | 96% of homes | almost all homes |
| Price per ft²pricier than | $1136 | 65% of homes | 84% of homes | 98% of homes |
| Living areabigger than | 4,304 ft² | 95% of homes | 95% of homes | 97% of homes |
| Lot sizebigger than | 0.16 ac | 97% of homes | 91% of homes | 94% of homes |
| Year builtnewer than | 1811 | almost no homes | almost no homes | almost no homes |
About 3126 O St Nw
How much is 3126 O St Nw, Washington, DC worth?
The TopHap Estimate for 3126 O St Nw, Washington, DC is $4,889,903 as of Aug 30, 2026. The likely range is $4,042,099 to $5,737,707. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 3126 O St Nw, Washington, DC last sell?
3126 O St Nw, Washington, DC last sold on Jun 26, 2024 for $4,700,000, according to the county's recorded deed.
How big is 3126 O St Nw, Washington, DC?
3126 O St Nw, Washington, DC has 6 bedrooms, 5 bathrooms, 4,304 square feet of living space and a 0.16-acre lot.
When was 3126 O St Nw, Washington, DC built?
3126 O St Nw, Washington, DC was built in 1811, making it 215 years old. The building has 2 stories.
What schools serve 3126 O St Nw, Washington, DC?
3126 O St Nw, Washington, DC is assigned to Hyde-Addison Elementary School (elementary), rated A-; Hardy Middle School (middle), rated A; MacArthur High School (high), rated C+. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 3126 O St Nw, Washington, DC compare to other homes in Washington 20007?
Among the 9,902 homes in Washington 20007, it is worth more than 96% of them ($4,889,903 against a typical $1,227,422), its price per square foot is higher than 84% of them ($1136 against a typical $787), it is bigger than 95% of them (4,304 ft² against a typical 1,462 ft²), its lot is bigger than 91% of them (0.16 ac against a typical 1,568 ft²) and it is newer than almost none of them (1811 against a typical 1938). Measured against all of District of Columbia County, it is worth more than almost all 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 3126 O St Nw, Washington, DC?
The 2025 property tax bill for 3126 O St Nw, Washington, DC was $28,692. The county assessed it at $3,244,170.
More homes on O St Nw
- 3421 O St$1.5M2 bd · 2 ba · 1,278 ft² · Sold $1.5M · Aug 2026
- 3313 O St$3.1M6 bd · 6.5 ba · 4,820 ft² · Sold $7.7M · Aug 2026
- 3215 O St5,335 ft² · Sold $778K · Aug 2026
- 1117 O St # 2$506K2 bd · 1 ba · 834 ft² · Sold $508K · Jul 2026
- 2721 O St$2.1M3 bd · 2.5 ba · 1,584 ft² · Sold $2.1M · Jul 2026
- 3307 O St$2.7M5 bd · 3 ba · 2,334 ft² · Sold $2.7M · Jul 2026
- 2605 O St # 4$464K1 bd · 1 ba · 518 ft² · Sold $575K · Jun 2026
- 2719 O St$2M2 bd · 2.5 ba · 1,344 ft² · Sold $2M · Jun 2026
- 3127 O St$2.1M4 bd · 3.5 ba · 1,890 ft² · Sold $2.1M · May 2026
- 1015 O St$1.9M3 bd · 2.5 ba · 1,824 ft² · Sold $1.7M · May 2026
- 3047 O St$631K5 bd · 2.5 ba · 2,296 ft² · Sold $635K · May 2026
- 3255 O St$3.3M3 bd · 3.5 ba · 2,345 ft² · Sold $3.3M · May 2026
Closest homes
- 3122 O St Nw$3.3M45 ft · 3 bd · 5 ba · 3,073 ft² · Sold $2M · Nov 2016
- 3132 O St Nw$3.3M76 ft · 6 bd · 6 ba · 3,828 ft² · Sold $230K · Oct 2024
- 3127 Dumbarton St Nw$4.4M111 ft · 5 bd · 6 ba · 3,752 ft² · Sold $3.2M · Nov 2014
- 3134 O St Nw$1.9M101 ft · 3 bd · 3 ba · 1,620 ft² · Sold $1.5M · Apr 2017
- 3129 Dumbarton St Nw$2.5M138 ft · 3 bd · 4 ba · 2,422 ft² · Sold $1.3M · Jun 2012
- 3136 O St Nw$2M120 ft · 3 bd · 3 ba · 1,932 ft²
- 3123 Dumbarton St Nw150 ft · 6 bd · 4.5 ba · 6,522 ft² · Sold Jan 1900
- 3123 Dumbarton St Nw150 ft · 6 bd · 5 ba · 6,522 ft² · Sold $9.1M · Aug 2019
More homes in Washington 20007
- 4584 Indian Rock Ter Nw$2.4M4 bd · 2.5 ba · 2,224 ft² · Sold $2.4M · Sep 2026
- 2101 Foxhall Rd Nw$4.5M6 bd · 5.5 ba · 6,341 ft² · Sold $4.3M · Aug 2026
- 3714 T St Nw$1.2M3 bd · 1 ba · 1,080 ft² · Sold $1.2M · Aug 2026
- 4478 Salem Ln Nw$1.2M3 bd · 2 ba · 1,798 ft² · Sold $725K · Aug 2026
- 1531 31st St Nw$743K2 bd · 1.5 ba · 920 ft² · Sold $720K · Aug 2026
- 3929 Highwood Ct Nw$2.1M5 bd · 3.5 ba · 2,520 ft² · Sold $2.1M · Aug 2026
- 2820 38th St Nw$1.6M4 bd · 4 ba · 1,526 ft² · Sold $1.7M · Aug 2026
- 3303 Water St Nw$875K1 bd · 1.5 ba · 934 ft² · Sold $875K · Aug 2026
- 2111 Wisconsin Ave Nw$395K1 bd · 1 ba · 620 ft² · Sold $395K · Aug 2026
- 3420 P St Nw$4M5 bd · 4.5 ba · 2,810 ft² · Sold $4M · Aug 2026
- 4101 Parkglen Ct Nw$3.6M4 bd · 5.5 ba · 4,497 ft² · Sold $3.6M · Aug 2026
- 2456 39th Pl Nw4 bd · 2.5 ba · 1,332 ft² · Sold $1.4M · Aug 2026
Assigned schools
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