$350,000
1925 Columbine Ave, Bethlehem, PA 18018
Listed by BHHS Fox & Roach-Collegeville
**Spacious One-Floor Living with Character, Updates & Over 1,800 Square Feet!** Welcome to 3128 Diamond Avenue—a spacious and distinctive 3-bedroom, 1.5-bath ranch offering more than 1,800 square feet of comfortable one-floor living. One of the largest homes on the street and ideally situated at the end of a cul-de-sac, this well-maintained home combines the character and craftsmanship of an older home with many important modern updates. A handsome stone facade and covered front porch create an inviting first impression. Inside, you’ll find an open and easy-flowing floor plan connecting the kitchen, dining, and living areas—perfect for both everyday living and entertaining. Large windows fill the home with natural light, while beautiful original hardwood floors, coffered ceilings, and a wood-burning fireplace add warmth and architectural character rarely found in newer construction. The updated kitchen features granite countertops, a stylish backsplash, stainless steel appliances, and plenty of workspace, all opening naturally to the main living and dining areas. Fresh interior paint provides a clean, move-in-ready feel, while an updated roof and HVAC system offer added peace of mind. All three bedrooms, both bathrooms, and the main living spaces are conveniently located on one level—making this an excellent choice for buyers seeking comfortable, accessible one-floor living without sacrificing space. Outside, enjoy both covered front and rear decks, providing inviting spaces to relax, entertain, or enjoy the outdoors in any season. Conveniently located near shopping, dining, and major highways, this home stands apart with its generous size, desirable location, recent updates, and a spacious one-level layout that is increasingly difficult to find. **If you’ve been searching for a ranch home with lots of space, character, and the right combination of classic craftsmanship and modern updates, you won’t want to miss this turn-key home.**
| Date | Event | Price |
|---|---|---|
| Jul 20, 2026 | Listed for sale | $349,449 |
Price changes are tracked from when NookLocal first indexed this listing; earlier history may not appear. Tax & assessment details are in the section below.
Estimated value
$355,000
Automated estimate, not an appraisal. Sale records through July 2026.
Based on 10 comparable sales nearby, the Lehigh County assessment ratio, weighted toward the current asking price.
| Address | Closed | Sale price | Bd/Ba | Sqft | Adjusted value |
|---|---|---|---|---|---|
| 1305 LEHIGH ST, ALLENTOWN, PA 18103 | February 2026 | $330,000 | 2/2 | 1,801 | $378,503 |
| 1731-1735 CHAPEL AVE, ALLENTOWN, PA 18103 | June 2026 | $335,900 | 3/1 | 1,889 | $366,394 |
| 316 S LEH ST, ALLENTOWN, PA 18104 | June 2026 | $340,000 | 3/2 | 1,700 | $359,415 |
| 1406 LEHIGH ST, ALLENTOWN, PA 18103 | September 2025 | $280,000 | 3/1 | 1,892 | $312,638 |
| 901 N WAHNETA ST, ALLENTOWN, PA 18109 | June 2026 | $410,000 | 3/2 | 1,853 | $437,044 |
| 1134 N 26 ST, ALLENTOWN, PA 18104 | August 2025 | $291,000 | 3/2 | 1,841 | $307,261 |
Estimated at current rates
$6,215 / year
≈ $518 per month
MLS shows (2026)
$6,214
School tax
ALLENTOWN · 22.64 mills (2025-26)
$4,008
County tax
Lehigh County · 3.78 mills (2026)
$669
Municipal tax
As recorded for 2026, varies by municipality
$1,538
Recomputed from the county assessment ($177,000, 2013 base year) × current millage. School millage is from the latest year certified by the Pennsylvania Department of Education (2025-26); districts adopt the next year's budgets each June, and we update when the state certifies the statewide file in the fall. Portals typically reprint the recorded 2026 bill. Pennsylvania does not reassess on sale. Estimate only. Verify with Lehigh County before relying on it. Learn more: PA property tax calculator · Common Level Ratio by county.
Loan term
Estimated monthly payment
$2,374/mo
Taxes use NookLocal's estimate at current millage rates, not the stale figure on the MLS. The default rate is the average 30-year rate as of July 2026; insurance is estimated at 0.35% of the price per year. Below 20% down, lenders usually add mortgage insurance, which this estimate doesn't include. Estimate only; verify before relying on it.
School district
Allentown
2025 PA state assessments (PSSA / Keystone) and graduation data. The index measures student outcomes, not school effectiveness, and is not adjusted for demographics. Districts serve all residents; verify enrollment boundaries with the district.
Safety data
Lehigh County crime & safety numbers →
County figures from FBI and Pennsylvania source data.
Property taxes
Lehigh County taxes, explained →
Millage, the Common Level Ratio, and what changes after you buy.
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Information Deemed Reliable But Not Guaranteed
The data relating to real estate for sale on this website appears in part through the BRIGHT Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms in which United Real Estate Strive 212 participates, and is provided by BRIGHT through a licensing agreement.
IDX listings are displayed pursuant to broker of record United Real Estate Strive 212, Frank Ramos, Broker/Owner, PA Broker License RM424345, 1220 Broadcasting Rd, Suite 201, Wyomissing, PA 19610, (610) 372-0212.
The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Some properties which appear for sale on this website may no longer be available because they are under contract, have Closed or are no longer being offered for sale.
Data last updated: July 27, 2026 at 2:00 PM EDT
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