618 Knollwood Drive Rockwall, TX 75087
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Property highlights
Full Property Details
Property Details
Quick Details
- Price $549,000
- Status Sold
- Bedrooms 4
- Bathrooms 3
- Square Feet 2,778 Sq Ft
- Lot Size 0.23 acres
- Year Built 1990
- Price / Sq Ft $198 / Sq Ft
- MLS # 21278616
Overview
- Property Type Residential
- Property Subtype Single Family Residence
- County Rockwall
- Subdivision Northshore Ph 2b
- Days on Market 11
Home Details
- Full Baths 3
- Half Baths 0
- Roof Composition
- Flooring Hardwood, Tile
Kitchen & Interior
- Appliances Dishwasher, Disposal, Gas Water Heater, Microwave, Range, Some Commercial Grade, Vented Exhaust Fan
- Interior Features Eat In Kitchen, Granite Counters, Multiple Staircases, Pantry, Vaulted Ceilings, Walk In Closets
- Fireplaces 1
- Fireplace Features Gas Log
Lot & Exterior
- Pool Features None
Parking
- Parking Door Multi, Garage, Garage Faces Side
- Garage Spaces 3
- Covered Parking 3
- Attached Garage No
Utilities
- Utilities Cable Available, Electricity Available, Natural Gas Available, Sewer Available, Water Available
- Water Public
- Sewer Public Sewer
Schools
- Elementary Grace Hartman — Rockwall Isd
- Middle JW Williams — Rockwall Isd
- High Rockwall — Rockwall Isd
Listing Information
- MLS Board NTREIS
- List Date 05/15/2026
- Source Updated 05/26/2026
- Last Updated 07/16/2026
- Virtual Tour Available
TAX INFO FOR NORMAL PEOPLE
A plain-English CAD, tax, exemption, parcel, and improvement snapshot from county appraisal records.
View Official CAD Page
1. CAD Big Picture: Land + Improvements = Market Value
This shows what the CAD market value is made of. Appraisal districts usually separate value between the land and the improvements. Improvements may include the home, garages, shops, patios, pools, decks, storage, and other structures.
2. Improvement Details: Size, Type & Assessed Value
This is a breakdown of the improvements CAD has listed for the property and the square footage or area connected to those records. CAD improvement records may include the main living area, garages, shops, decks, patios, pools, storage, or other site improvements when available.
| Detail | CAD Code | Area |
|---|---|---|
| MAIN AREA | MA | 1,597 Sqft |
| MAIN AREA | MA | 1,181 Sqft |
| ATTACHED GARAGE | AG | 982 Sqft |
| PATIO - 20% (REGULAR) | PA | 234 Sqft |
| DECK | DE | 148 Sqft |
| COVERED PORCH | CP | 45 Sqft |
3. Exemptions That Lower Taxable Value
Exemptions and CAD reductions can lower the taxable value used to estimate property taxes. A common example is a homestead exemption for an owner-occupied home. Some properties may also have agricultural or special-use valuation, where part of the land is taxed differently than land valued for development. Not every taxing entity applies the same exemption or reduction.
The current CAD record shows a homestead exemption.
A buyer’s future exemptions, taxable value, and tax bill may differ.
4. Value After CAD Reductions
This is where CAD reductions, exemptions, limitations, or special-use valuation may affect the value used for tax calculations.
This reflects the CAD net appraised value after current CAD reductions. Individual taxing units may use different taxable values when exemptions apply.
5. Who Taxes It?
These are the local entities included in the current CAD/tax estimate. A property tax bill can include a city, county, school district, municipal utility district, public improvement district, or other special district. Each entity may use its own taxable value, rate, and exemption treatment.
| Entity | Taxable | Rate | Before | Savings | Est. Tax |
|---|---|---|---|---|---|
| City: CITY OF ROCKWALL | |||||
|
City
CITY OF ROCKWALL |
$535,353 | 0.2575 | $1,379 | — | $1,379 |
| County: ROCKWALL COUNTY | |||||
|
County
ROCKWALL COUNTY |
$535,353 | 0.2510 | $1,344 | — | $1,344 |
| Independent School District (ISD): ROCKWALL ISD | |||||
|
Independent School District (ISD)
ROCKWALL ISD |
$395,353 (H) | 1.0669 | $5,712 | -$1,494 | $4,218 |
(H) Homestead reduction reflected in school district taxable value.
6. Estimated Tax Bottom Line
The current CAD tax estimate shows exemptions reduce the estimated annual taxes by about $1,494. A buyer’s future tax bill may differ.
7. CAD Values Over Time
YOY Change reflects the change in CAD Market Value from the prior appraisal year. Taxed Value reflects the CAD net appraised value after CAD reductions in the value history. Individual taxing units may use different taxable values when exemptions apply.
| Year | Land | Impr. | Market | Taxed | YOY Change |
|---|---|---|---|---|---|
| 2021 | $101,650 | $271,930 | $373,580 | $356,389 | +$49,590 / +15.31% |
| 2022 | $155,000 | $270,034 | $425,034 | $425,034 | +$51,454 / +13.77% |
| 2023 | $200,000 | $278,623 | $478,623 | $467,537 | +$53,589 / +12.61% |
| 2024 | $200,000 | $371,450 | $571,450 | $514,291 | +$92,827 / +19.39% |
| 2025 | $224,000 | $291,000 | $515,000 | $515,000 | -$56,450 / -9.88% |
| 2026 | $202,000 | $333,353 | $535,353 | $535,353 | +$20,353 / +3.95% |
8. List Price vs CAD Value
The current list price and the county’s CAD market value are not the same thing. CAD market value is used for property-tax context and may lag the open market, reflect prior protests, exemptions, caps, agricultural or special-use treatment, or other appraisal district methods.
A sale price can become part of the appraisal district’s future evidence. A buyer’s future taxable value and tax bill may change after purchase, especially if exemptions, caps, or special-use valuation change.
For tax planning, buyers should confirm future taxable value, exemptions, and special-use treatment with the appraisal district, tax office, lender, CPA, or other qualified advisor.
LIFE AROUND NORTHSHORE PH 2B
A curated look at local favorites, everyday stops, and lifestyle context near this property.